Jobs Board

Job Title: Back-End Engineer Location: New York City / Hybrid About Inversion: Inversion is a technology company that develops cutting-edge products and services to enable blockchain-driven business model transformations of legacy businesses. We pursue targeted acquisitions that leverage our blockchain technology to fundamentally transform business models, drive significant cost reductions, and achieve industry-leading profitability—all while maintaining operational continuity in core business functions. By strategically combining decentralized systems with our disciplined acquisition methodology, we disrupt traditional industries and build scalable, high-growth and profitable businesses. We are backed by top-tier investors in crypto and tech. Our team brings deep experience from leading financial institutions and a decade of investing in crypto and technology. We’re at an inflection point where crypto is no longer just experimental—it’s actionable. At Inversion, you'll be a pioneer in shaping how blockchain is used to create meaningful impact across industries and proving to the world that, like the Internet, crypto is a technology that most businesses will adopt to remain competitive. Learn more on our website and follow us on X and LinkedIn. Position Overview: We’re looking for a Back-End Engineer to build the core infrastructure that powers blockchain-based products across Inversion’s portfolio companies, layer-1 ecosystem, and local product suite. You’ll work closely with the Head of Product, Head of Engineering, and front-end engineers to create robust systems that connect legacy business processes with modern blockchain infrastructure. From wallets and payments to agent portals and credit systems, your work will make blockchain usable at scale. This is a hands-on role for someone who thrives in fast-paced environments and enjoys building high-performance systems from the ground up. Key Responsibilities: Design and Build Core APIs: Design and implement back-end services to support mobile wallets, real-time payments, identity verification, and transaction history. Integrate Blockchain Infrastructure: Collaborate with the Head of Engineering to connect traditional app flows to stablecoin infrastructure, nodes, and custodial or non-custodial wallets in a secure and modular way. Support On/Off-Ramps: Collaborate on infrastructure that enables local payment rails to connect with stablecoins and cross-border remittances. Security and Reliability: Implement rigorous security best practices, including API authentication, data validation, smart contract risk mitigation, and observability tooling. Ensure Performance and Resilience: Build for scale, latency, and uptime across geographies, particularly in areas with inconsistent internet or older devices. Collaborate Across Product and Engineering: Partner with front-end engineers, Head of Product, and designers to understand user needs and prioritize features. Market Insights & Innovation: Stay ahead of industry trends, ensuring that Inversion’s product offerings are innovative, competitive, and aligned with the needs of both users and the blockchain ecosystem. KPIs & Performance Metrics: Define key product success metrics and ensure continuous tracking, reporting, and improvement. Qualifications: 4-6+ years of experience in back-end development, ideally with exposure to blockchain infrastructure or fintech systems with proficiency in Go or Python Strong understanding of blockchain infrastructure, wallet connections, and smart contract interactions. Strong attention to security, data integrity, and fault tolerance. Strong understanding of blockchain technology, decentralized applications, and interoperability protocols. Experience working on cross-functional teams in a fast-paced, high-growth environment. Strong problem-solving skills and the ability to navigate complex technical and business challenges. Ability to think long-term and implement strategies that drive value both for equity holders and token stakeholders. High energy, entrepreneurial mindset, and a willingness to embrace the unique challenges and opportunities presented by a rapidly evolving blockchain investment model. A passion for the intersection of blockchain technology and real-world business applications. Preferred Skills: Familiarity with stablecoin ecosystems, digital wallets, or fintech products. Familiarity with full-stack development concepts. Compensation: Inversion offers a competitive compensation package, including base salary and discretionary. The role provides significant potential for asymmetric upside, especially for individuals who are passionate about driving innovation in the blockchain and investment space. Why Inversion: At Inversion, you will have the opportunity to work at the cutting edge of blockchain technology, transforming real-world businesses and creating scalable ecosystems. You’ll be part of a dynamic, forward-thinking team that values innovation, collaboration, and a shared vision of reshaping industries through decentralized solutions. If you're passionate about leading product innovation and driving the blockchain revolution, we want to hear from you.

The Monad Foundation is a team of dedicated ecosystem and community builders who are on a mission to massively grow the impact of decentralized tech. We believe that the Monad blockchain--the performant and parallel EVM Layer 1--will help decentralized apps eat the world. The Role Monad is pushing the limits of the EVM with new software architecture, enabling ultra-high performance on a decentralized L1. The Engineering team at the Monad Foundation builds software that maximizes the impact of these improvements, accelerating the adoption of Monad by developers and users alike. As Senior Protocol Engineer, you’ll build smart contracts and systems for a high-performance EVM environment. You will contribute to architecture design, smart contract development, security reviews, and future protocol improvements. The ideal candidate has a strong background in smart contract engineering and security, and wants to work in a scrappy, fast-paced team. What You Will Do You will design and build high-impact systems that support ecosystem-wide initiatives or common user flows. For example, you might build smart contracts for implementing a timelock system, or systems for dispensing gas under certain conditions, or an interface for allowing users to manage their staked positions. You will collaborate with other members of the team, contributing to design reviews, critiquing architecture and security practices, and generally raising the bar of the team’s outputs You will contribute to Monad Improvement Proposals, for example in the realm of VM functionality, resource pricing, UX, AA, MEV-resistance, privacy, etc. You will interact with external developers working on apps, bridges, wallets, RPC infrastructure, exchanges, security tools, to evaluate how their products should correctly interact with unique aspects of Monad’s blockchain such as asynchronous execution. Who You Are You love building resilient and secure systems You are passionate about the growth of decentralized apps You have previous experience building significant decentralized apps or blockchain infrastructure You have extensive knowledge of Solidity, the EVM, and related tooling (Foundry, wagmi/viem, etc) and libraries (Solady etc) Why Work with Us Challenging problems. You’ll work on extremely challenging problems with massive impact. Huge opportunity. The Ethereum Virtual Machine (EVM) standard is ubiquitous, but existing EVM-compatible chains are slow and bandwidth-constrained. Monad’s core innovations offer developers the best of both worlds (portability and performance) and are a game-changer for mass user adoption in crypto. The right team. You’ll be part of an exceptional and highly-motivated team Culture. We’re a lean team working together to achieve very ambitious goals. We are united in our culture of collaboration, low ego, and high-quality output. As an early member of our team, you’ll help continue to shape our culture. Salary and Benefits Benefits for full-time employees may include medical, dental, and vision insurance (100% coverage for employees); generous paid time off; paid parental leave; and 10 company-observed holidays.

Company Background: Luxor specializes in the physical delivery of hashrate (compute power). Over the past six years we have been acting as a buyer of hashrate, purchasing, and mining over $500mm worth. We fundamentally believe that compute power itself is a commodity and we want to build out traditional marketplaces and derivates for it. You will develop the technical design for either cloud or on-premises solutions. Also, influence designs across R&D using original research and advanced analysis. You’ll design solutions for business critical and highly complex engineering projects by applying extensive domain expertise in performance testing. You’ll provide oversight of code and design reviews, and ensure features are delivered to meet business and quality requirements. Our teams own mission-critical aspects of a rapidly growing, globally distributed platform (eg: Hashrate Marketplace and 15 unique mining pools), in the cloud, and, as such, you will have an incredible amount of impact on the current state and future direction of our product, with visibility throughout the organization and a significant opportunity to take ownership. This role will report directly to the Head of Devops. This is a remote role. The ideal candidate is based between UTC-8 and UTC-3 timezones. Requirements: Expert in technologies like Kubernetes & Docker deploying to and orchestrating containers in production environments (Containers, Kubernetes, Service Mesh and related technologies). Experience with Infrastructure automation (Terraform, Ansible, etc.), CI/CD pipelines (Git, Github Actions, etc), configuration management tools and GitOps (Flux, ArgoCD, etc). Working understanding of TCP/IP network stack, DNS, SSL/ TLS, and how traffic on IP networks establishes end-to-end security and trust. Experience with building and managing observability (Metrics, Logging, and Tracing). Deep understanding of programming and experience with at least one programming language. 4+ years of working experience in relevant DevOps field. 1+ years of software development. Experience with cloud platform services and tooling (GCP, and on-premises). Experience with agile development methodology. Experience delivering and owning web-scale pipelines systems in production. Bonus: interest and experience in virtualization technologies (Openstack, Harvester, KVM, Firecracker, Kata containers, cloud-hypervisor) English language proficiency. The ideal candidate: Passionate about cryptocurrency and public-blockchain technologies. Has an interest in creating an entirely new market with Hashrate (compute power) as a commodity. Has an interest in cloud computing. Has an interest in thinking and evolving the architecture of our software to make it robust and maintainable. Enjoys writing code and pushing boundaries of what has been done so far. Brings fun to the team but can also go down the rabbit hole to push quality code on schedule. Responsibilities: Build, maintain and deploy native cloud clusters of dozens of blockchain daemons in a scalable, highly available and redundant manner. Operate and maintain several environments running in Kubernetes and virtual machines. Monitor proactively for performance bottlenecks and unusual behavior to prevent application outages. Write good quality policies, procedures and technical documentation. Follow security best-practices and foster security guidelines within the organization. Collaborate on architecture definitions, always thinking of solutions that are scalable and secure. Participate in ensuring compliance on system and organization controls. Participate in the process of generating and analyzing features. Navigate around open-source software to investigate and debug issues affecting our services. At Luxor we believe that meaningful contributions can be made by anyone. Each of us has a responsibility to drive Equality in our communities and workplaces. We are committed to creating a workforce that reflects society through inclusive programs and initiatives such as equal pay, employee resource groups, inclusive benefits, and more. Luxor is an Equal Employment Opportunity and Affirmative Action Employers. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. Luxor welcomes all! Luxor does not accept unsolicited headhunter and agency resumes. Luxor will not pay any third-party agency or company that does not have a signed agreement with Luxor.

Overview At Rain, we’re rebuilding the global financial pipes money flows through. Our infrastructure makes stablecoins usable in the real world by powering credit card transactions, cross-border payments, B2B purchases, remittances, and more. We partner with fintechs, neobanks, and institutions to help them launch solutions that are global, inclusive, and efficient. If you’re curious, bold, and excited to help shape a borderless financial system, we’d love to talk. Our Ethos Operating at the epicenter of stablecoin innovation means moving fast and thinking globally. Our team reflects the diverse, international audiences we serve. We hire people who stay agile as the tide ebbs and flows, fix what’s broken without waiting, chase trends before they peak, and remember to have fun through it all. Many of our engineers are based in NYC but we are open to fully remote candidates. What you'll do Be a critical part of the technical and product roadmap Contribute to our backend and blockchain infrastructure Interact with smart contracts across multiple chains Drive the development on new smart contracts and support new chains Scale our on-chain infrastructure to millions of end users globally Rapidly ship new capabilities to our customers Help drive the architectural decisions of a rapidly evolving product What we're looking for Experience with NodeJs and other backend technologies Experience with interacting with smart contracts and blockchains This position is for folks with 2-10+ years experience, compensation will be based on experience Nice to haves, but not mandatory Fintech experience (neobank or card issuing experience gets extra brownie points) Benefits Our team works hard, so we make sure our benefits do too. Here’s what you can expect as a Rainmaker: Top-tier coverage: We cover 95% of Medical, Dental, and Vision premiums. 401(k) with matching: Invest in your future, just like we’re investing in ours. Ownership that matters: Every team member gets equity because we believe in building together. Work your way: Flexible hybrid setup with a prime SoHo office for NYC-based teammates. Unlimited PTO: Because time to rest and reset is just as important as time to ship. Product-first perks: Monthly budget to test our cards and features like a real user. Wellness support: Monthly stipend to spend on fitness, therapy, or whatever keeps you thriving. Home office setup: One-time stipend to create a space that works for you. Team connection: Frequent company events, team dinners, and offsites to stay connected.

Phantom is revolutionizing the way millions of people interact with the crypto ecosystem. Our self-custodial wallet offers a seamless, unified experience for managing accounts and tokens across Solana, Bitcoin, Ethereum, and Polygon, empowering users with a single, convenient solution. By integrating cutting-edge security features and launching innovative tools for an enhanced personalized user experience, Phantom is able to provide a next-generation, safe and easy to use self-custodial wallet for everyone. This strategy has allowed Phantom to achieve significant milestones including surpassing 16 million MAU’s, reaching #1 in the Google play store finance category, and consistently trending as a Top 50 app across all categories, right next to X, PayPal, Coinbase, and ChatGPT. Role Description As a core member of Phantom’s Blockchain Data team, you will design, build, and optimize our streaming blockchain data platform to enable high-quality, scalable ingestion, transformation, and delivery of token, price and spam data. As an owner of a critical platform function, you’ll empower other product engineering teams at Phantom by providing access to rich, accurate, realtime on-chain data. Responsibilities ETL & Data Pipeline Design: Develop, maintain, and optimize scalable ETL pipelines using our modern data stack. You’ll be responsible for sourcing, transforming, and integrating data from on-chain sources. Data Quality & Observability: Drive initiatives to implement data quality frameworks and observability solutions that ensure the accuracy, freshness, and reliability of data across all pipelines. Architect for Scalability & Performance: Build systems capable of handling millions of requests per day, with a focus on high availability, low latency, and strong fault tolerance, in service of other engineering teams’ data access needs at Phantom. Data Modeling & Schema Design: Design and maintain efficient data models and schemas that underpin our efforts. Cross-Functional Collaboration: Partner closely with product, design, and other engineering teams to translate business requirements into scalable backend platform solutions. Team building: Work with the team to create and foster a culture of raising the bar with each new hire. Qualifications 7+ Years of Backend Experience: Demonstrated success in building large-scale, high-availability systems. Deep experience building and optimizing modern ETL pipelines and data engineering solutions in high-growth environments. Experience with the languages/frameworks in our stack (e.g. Go, Node.js, TypeScript, NestJS, Kafka, redis, PostgreSQL) Demonstrated experience implementing data quality frameworks along with observability and monitoring solutions. Web3/Crypto Knowledge: Familiarity with on-chain data, wallet integrations, or decentralized application patterns is strongly preferred. Ability to work both independently and collaboratively within a lean team structure. Why Work with Us Opportunity We are a team of experienced builders in the blockchain and crypto industry. Our journey began from users seeking an easy, seamless path to accessing the crypto ecosystem. This passion fueled our exponential growth, allowing us to onboard over 16M+ active users in just over three years; with our user base growing weekly. Our dedication to a secure and seamless user experience has made us the leading wallet on Solana as well as our multi-chain approach enhances our platform's versatility, meeting the needs of a diverse and growing user base. By staying at the forefront of technology and user expectations, we continue to innovate and set industry standards on self-custodial crypto wallets. There has never been a better time to work in crypto to help shape the future of innovation with a focus around the wallet experience! First impressions matter: Wallets are responsible for a users first impression with crypto and onboarding new users into crypto. By ensuring that a user has a great first-time experience with crypto, we can help supercharge the growth of the entire ecosystem. Make crypto easier to navigate: There is no easy way for a user to discover and navigate all that crypto has to offer. Wallets have a unique opportunity to help users not only onboard to crypto but also stay retained by exploring new things to do. We live in a multi-chain world: We currently support Solana, Ethereum, Polygon and Bitcoin with more networks to come in the new future. We are focused on creating a unified, multi-chain crypto experience for users. Benefits Competitive salary and equity Comprehensive insurance (medical/dental/vision) — 100% covered Stipend for your ideal remote set-up Flexible hours and a supportive remote environment Unlimited vacation: Take time when you need it (and we really mean it!) 401(k) retirement plan Monthly wellness benefit Weekly meal benefit Global off-sites We strongly encourage candidates of all different backgrounds to apply. We believe that our work is stronger with a variety of perspectives, and we’re eager to further diversify our company. If you have a background that you feel would make an impact at Phantom, please consider applying. We’re committed to building an inclusive, supportive place for you to do the best work of your career.

Walk through a project where you worked with blockchain or on-chain data. How did you extract, transform, and analyze the data, and what actionable insights did it generate for your team or organization?✱

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. \n Responsibilities Oversee the entire lifecycle of the DEX (Decentralized Exchange) product, including planning, design, and iteration, to enhance user trading experience and platform usability. Conduct in-depth research on user needs and market trends, analyze competitors, and identify innovation points and optimization directions for the web product. Lead the design of web product features, including but not limited to trading interfaces (Swap, Limit Orders), liquidity management, data chart displays, wallet connections, and personal asset centers. Write detailed Product Requirement Documents (PRDs) and create interactive prototypes, collaborating closely with UI/UX designers to deliver smooth, intuitive, and aesthetically pleasing user interfaces. Work closely with front-end, back-end, and smart contract development teams to drive the development, testing, and launch of product features, ensuring product quality and delivery efficiency. Monitor and analyze data for the web product post-launch (e.g., user behavior, conversion rates, feature usage), driving product optimization based on data insights. Collect user feedback, continuously improve the web product, address user pain points, and enhance user satisfaction and retention. Stay updated on new technologies and protocols in the Web3 space, exploring their application opportunities within the DEX web product. Requirements Bachelor's degree or higher, with over 3 years of web product management experience, including at least 1 year in DeFi or DEX-related products. Profound understanding of the core mechanisms of decentralized exchanges, including AMM, order books, liquidity mining, staking, and cross-chain bridges. Familiarity with the web functionalities and user experience of mainstream DEX products (e.g., Uniswap, Sushiswap, PancakeSwap, Curve). Proficiency in web product design principles and methodologies, skilled in using tools like Figma or Axure for prototype design and requirement documentation. Excellent user insight and data analysis skills, capable of identifying issues from data and proposing effective product solutions. Familiarity with web technical architecture and interaction standards; knowledge of front-end technologies (HTML/CSS/JavaScript, React/Vue, etc.) is a plus. Outstanding communication, coordination, logical thinking, and project promotion skills, with the ability to adapt to a fast-paced work environment. Bonus Points: Experience in successfully launching and operating a DEX product from 0 to 1. In-depth understanding and design experience with professional trading chart tools (e.g., K-line charts, depth charts). UI/UX design background or extensive experience collaborating effectively with designers. \n Why Binance • Shape the future with the world’s leading blockchain ecosystem • Collaborate with world-class talent in a user-centric global organization with a flat structure • Tackle unique, fast-paced projects with autonomy in an innovative environment • Thrive in a results-driven workplace with opportunities for career growth and continuous learning • Competitive salary and company benefits • Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team) Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.

Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. Become a Krakenite and build the future of crypto! Proof of work The team Join our Custody team and have the opportunity to contribute to the ongoing transformation of the digital assets industry at Kraken. Our team plays a crucial role in identifying problems in the industry and delivering novel solutions. As a member of the Custody team, you will have the chance to collaborate with highly skilled Rust Engineers, cryptographers, hardware aficionados, and on-chain experts from around the world. We are enthusiastic about the highest security custody environments and efficiency of signing with the major cryptographic curves. Our collaborative work environment allows us to stay ahead in the ever-changing crypto landscape. By joining our team, you will have the opportunity to contribute towards shaping the future of Kraken Custody’s security. This is a fully remote role. The opportunity Integrate our existing systems with exciting new blockchains Design and implement low-latency, high-availability, secure applications and data protection systems Work on specialized hardware (HSMs) integrations Build highly scalable, high volume services Write reusable, testable, and efficient code Own, develop and maintain existing crypto services Skills you should HODL 5 to 10 years of experience as a backend developer Proficiency in Rust, or C++, Go Experience with Blockchain daemons such as Bitcoind, Litecoind, or other crypto software Strong foundation incryptographic concepts Working knowledge of Docker, Kubernetes, and GNU/Linux Understanding the nature of asynchronous programming and its quirks and workarounds Hands-on experience with distributed systems and messaging platforms such as Kafka Familiarity with authentication, authorization, and security compliance Knowledge of scalable application design principles Nice to haves Senior leadership experience with mentoring abilities Proficiency with embedded systems Experience implementing algorithms in constrained environments Hands-on knowledge of custodial cryptographic techniques Proven track record in leading secure crypto service development

We’re looking for a mid-level Data Engineer, in the United States (NYC) with experience in financial services, crypto, or blockchain data to join our engineering team. You’ll help expand our in-house data capabilities and design pipelines that can handle the unique challenges of high-volume, high-integrity financial data. About Thesis Thesis* is a pioneering venture studio dedicated to building on Bitcoin since 2014. We seek, fund, and build products and protocols in cryptocurrency and decentralized businesses that enable personal empowerment. Our projects include Mezo, a Bitcoin finance app; Keep Network (now Threshold Network), a privacy protocol for public blockchains; Fold (NASDAQ:FLD), for earning Bitcoin on your purchases; Taho, a community-owned and operated cryptocurrency wallet; Lolli, an app providing Bitcoin rewards for purchases, gaming, and other online commerce; and Embody, a fully encrypted period tracking app. Thesis* continues to challenge traditional systems, driven by innovation and a belief in a sovereign digital future shaping the decentralized landscape one project at a time. To learn more, please visit: https://thesis.co/ Investors in the company and our projects include Andreessen Horowitz, Pantera, Multicoin, Polychain Capital, and Draper Associates, among others. We are a remote-first company, led by founders who have been operating in the cryptocurrency and web3 space since 2014. About Mezo Mezo is Bitcoins’ Economic Layer; a new home for Bitcoin holders to cultivate Bitcoin and grow wealth together. It is a Bitcoin-first chain designed for user ownership of assets, reliable bridging with tBTC, a dual staking model for rewards and validation, and much more. Mezo is proudly brought to you by Thesis, the same team behind tBTC, Fold, Acre, Etcher, Taho, Embody, and Defense. Thesis is a cryptocurrency venture studio whose mission is to empower the individual. We seek, fund, and build brands in cryptocurrency and decentralized businesses that enable personal empowerment. We’re a fun, down-to-earth, fast-paced, highly collaborative, and fully remote team! Investors in Thesis and our projects include Andreessen Horowitz, Polychain Capital, Pantera Capital, and Draper Associates, among others. We are a remote-first company, led by founders who have been operating in the cryptocurrency and web3 space since 2014. About the Data Engineer At Mezo, we’re building the Bitcoin bank — a financial system where people can bank on themselves. To get there, we need world-class data infrastructure powering everything from on-chain analytics and user insights to credit risk modeling and stablecoin liquidity. We’re looking for a mid-level Data Engineer with experience in financial services, crypto, or blockchain data to join our engineering team. You'll be based in the United States (NYC) and you’ll help expand our in-house data capabilities and design pipelines that can handle the unique challenges of high-volume, high-integrity financial data. What You’ll Do Architect complex, real-time data pipelines: Design, develop, and optimize ETL pipelines that integrate large data sets from both off and on-chain sources. Ensure low-latency ingestion and processing of time-sensitive data Proactively optimize and constantly maintain processes Act as a key contributor to developing and supporting complex data architectures Continually troubleshoot and optimize data systems, identifying issues and resolving them Proactively improve processes and technologies for more efficient data processing and delivery Ensure data availability, reliability, and performance Ensure data integrity, consistency, and security across systems Collaborate with Data Science: Work with the Data Scientist to write and code review Python scripts for data ingestion, transformation, and automation Implement and manage data workflows using Cloud Composer and Github Actions for scheduling and orchestration based on Data Science specifications Build and maintain high-performance data warehouse schema with Google BigQuery and DBT for data transformation, mapped to the needs of the Data Scientist Work closely with on-chain data: Build data validation, reconciliation, and monitoring systems that meet the standards of both financial services and crypto-native ecosystems. Explore new approaches to indexing and querying Bitcoin and Ethereum data, as well as emerging L2s and DeFi protocols. Collaborate with cross-functional teams: Partner with product, engineering, and data science to deliver the datasets that drive lending models, stablecoin flows, and new product launches. Requirements 3–6 years in a data engineering role, with at least some experience in DeFi, fintech, or a related field Extensive experience with Python and SQL Experience with data warehousing solutions (Snowflake, BigQuery, Redshift) Strong understanding of Google Tag Manager (familiarity with Data Layer a plus) Expertise with orchestration tooling like Fivetran or Airflow, data transformation tools like dbt, and git/Github Comprehensive understanding of the Google Cloud Platform, including Cloud SQL, Cloud Functions, and BigQuery Familiarity with data governance and compliance standards Hands-on experience with blockchain or crypto data, including core tools like Dune or Goldsky Knowledge of standard ETL patterns, modern data warehousing ideas such as data mesh or data vaulting, and data quality practices Preferred Qualifications Knowledge of real-time data processing and event-driven tracking with analytics.js and/or Segment Familiarity with data observability tools and anomaly detection for production systems Understanding of financial data governance, reconciliation, and compliance needs. Experience with on-chain indexing, blockchain ETL, or real-time risk/credit models. Exposure to data visualization platforms such as Looker Studio, Hex, or Mixpanel Prior experience as a data analyst or scientist Location Remote, United States (NYC) Salary We offer competitive salaries, variable with experience and a number of other factors. Benefits At Thesis, we work in a fun, fast-paced environment that operates by collaborating both remotely and in person when we can. We offer a competitive salary, full health benefits, opportunity for equity and a number of other perks.

The engineering team at Chainalysis is inspired by solving the hardest technical challenges and creating products that build trust in cryptocurrencies. We’re a global organization with teams in Denmark, UK, Canada, the USA who thrive on the challenging work we do and doing it with other exceptionally talented teammates. Our industry changes every day and our job is to create user facing products supported by a flexible and scalable data platform allowing us to adapt to those rapid changes and bring value to our customers. Chainalysis has become known as the leader in blockchain investigation and compliance software. Our products have built trust in blockchains by taking down terrorist financing campaigns, disrupting major ransomware operations, identifying the Twitter hackers, and more. We are building the data platform for blockchain, cryptocurrency, and web3. We’re looking to bring onboard experienced Senior Software Engineers who execute high-impact projects and are excited about building at a significant scale! In this role, you’ll: Build cloud-native data ingest and aggregation processes that intake gigabytes of data per day Add features to our product suite that detect activities for market manipulation, fraud, behavioral patterning, and more Build and improve batch based application as well as streaming pipelines Build scalable API services on AWS that handle 1,000’s requests per second Help the team to modernise our stack to operate at 10x current capacity Debug production issues across multiple systems and microservices We’re looking for candidates who have: Experience in designing and implementing cloud-native microservices-based distributed systems in a major cloud provider like AWS or GCP You have a bias to ship and iterate alongside product management and design partners Experience with object-oriented programming languages. We mostly use Java but appreciate a variety of languages! Strong technical background with extensive experience working directly on backend systems/ projects You take pride in materializing product ideas into production Exposure to or interest in the cryptocurrency technology ecosystem Experience mentoring other engineers, leading cross-team projects, and driving design and technology decisions is a plus Experience with Terraform and Kubernetes is a plus! A genuine excitement for significantly scaling large data systems Technologies we use (experience not required): AWS serverless architectures Kubernetes Spark Flink Databricks Parquet. Iceberg, Delta lake, Paimon Terraform Github including Github Actions Java PostgreSQL About Chainalysis Blockchain technology is powering a growing wave of innovation. Businesses and governments around the world are using blockchains to make banking more efficient, connect with their customers, and investigate criminal cases. As adoption of blockchain technology grows, more and more organizations seek access to all this ecosystem has to offer. That’s where Chainalysis comes in. We provide complete knowledge of what’s happening on blockchains through our data, services, and solutions. With Chainalysis, organizations can navigate blockchains safely and with confidence. You belong here. At Chainalysis, we believe that diversity of experience and thought makes us stronger. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us. We’re ensuring we keep learning by committing to continually revisit and reevaluate our diversity culture. We encourage applicants across any race, ethnicity, gender/gender expression, age, spirituality, ability, experience and more. If you need any accommodations to make our interview process more accessible to you due to a disability, don't hesitate to let us know. You can learn more here. We can’t wait to meet you.

About Sky Mavis Sky Mavis is building the future of gaming. We’re the creators of Axie Infinity, the most successful Web3 game ever, and Ronin, a purpose-built blockchain that ranked as the 4th most-used chain in 2024, behind Ethereum, Bitcoin, and Solana. We’ve processed over $4.3 billion in on-chain volume and are backed by more than $170 million from top-tier investors, including a16z, Accel, Libertus Capital, and Paradigm. Our team moves fast, builds with intention, and believes in a world where players truly own what they earn. If you’re excited by open economies, massive scale, and shaping new digital frontiers, join us. About the Role We’re looking for a Senior Backend Engineer to join our engineering team and help shape the future of Ronin. You’ll take end-to-end ownership of projects — from architecture through deployment — working closely with product and cross-functional teams to deliver features that serve millions of users worldwide. This role is best suited for someone who thrives on solving complex technical challenges, has deep experience building high-performance backend systems, and is passionate about bringing scalable, reliable infrastructure to the Web3 ecosystem. What You’ll Do Design, develop, and maintain robust, scalable, and secure backend services in Go and Rust. Architect distributed systems to ensure reliability, high availability, and fault tolerance. Lead API design and development, creating efficient, well-documented, and secure endpoints. Optimize workflows and backend performance to improve scalability and reduce latency. Design and tune database systems (SQL/NoSQL) for efficient data storage and retrieval. Integrate emerging technologies to future-proof the platform. Oversee deployment pipelines, monitoring, and production troubleshooting. Drive technical solution evaluation and contribute to high-impact architectural decisions. Mentor engineers and contribute to a culture of knowledge-sharing and engineering excellence. Requirements 7+ years of professional backend engineering experience. Strong proficiency in Golang or Rust, with a track record of building high-performance backend services. Deep understanding of database technologies (SQL and NoSQL). Expertise in distributed system design and scalable architectures. Experience in Agile development environments with strong collaboration skills. Proven ability to take full ownership of projects and deliver results independently. Experience with containerization (Docker) and orchestration (Kubernetes). Strong communication skills and interest in mentoring teammates. Nice to Have Experience with competitive programming or algorithm-heavy problem solving. Background in decentralized application (dApp) development, including Solidity. Previous experience in Web3, blockchain, or fintech environments.

COMPANY At 0x, our mission is to "Create a Tokenized World Where All Forms of Value Can Flow Freely". We deliver this to web3 builders with a delightfully simple suite of developer APIs that provide faster trading, better prices, and superior user experience. Founded in 2017, we’ve processed over 78M+ transactions and $140B+ in trading volume from users trading on Matcha, Coinbase Wallet, Robinhood Wallet, Phantom, Rainbow, DefiLlama, MetaMask, Zerion, Zapper, and many more. Our investors include Greylock Partners, Pantera Capital, and Jump Crypto. When you join 0x, you’ll become part of a veteran team of crypto builders who know the importance of code quality, team cohesion, and a culture of learning. ROLE We are looking for a Senior Software Engineer for our Solana and EVM DEX aggregation teams, backend-focused, who have a passion for building DeFi solutions. Our DEX aggregator engineering teams are focused on building the best AMM routers to find the best price at the lowest latency and highest execution quality. You have a high degree of integrity, learn and adapt quickly, and seek to make a positive impact on the lives of those who use the systems you build. We hire engineers that have solid fundamentals, have strong learning agility, are interested in tackling hard problems and are nice people. 0x Developer Platform Tech Stack Rust 🦀 - Most of our backend, critical systems are built with Rust TypeScript/Node - Our APIs and some middleware are built using TS/Node Linux AWS Cloud Services (Kubernetes, Kafka, Postgress, Redis, OpenSearch, etc) Grafana LGTM Observability Stack GitHub We embrace AI as a tool to be better more productive software engineers Responsibilities - Your Mission Be an individual contributor on projects as well as lead technical projects of moderate to high complexity Offer valuable insights as a peer when reviewing designs and performing code reviews Design, build and maintain systems like: Blockchain event streaming and indexing services Leading edge DEX routing algorithms and models AMM liquidity intelligence services Create high quality, secure, clean code Launch new features on a regular basis Improve the way we build and deliver software Coach and mentor other engineers and generally up-level the team Empathize with our customers and users Requirements - Who You Are A software engineer with 7+ years of experience solving complex distributed computing problems A generalist who can design and build a system from the ground up which could include: Relational or Key Value Data stores Distributed Event driven architectures Cloud-based deployment, preferably AWS External facing REST/HTTP APIs Have lead small to medium sized projects as a tech lead with 2-4 other engineers Can take big problems, research the current state of the art, and apply technology appropriately knowing how to take proper tradeoffs Are driven by shipping code of high quality with a focus on providing maximum user and business value Has been part of teams that maintain business critical, high volume, customer-facing system where performance, scalability, and reliability matter Up to date on emerging threats and trends in application security Has a passion for DeFi and how it can improve peoples lives Preferred You have a solid understanding of blockchains (Specifically EVM chains and/or Solana) Experience working with JSON-RPC APIs to interact with blockchain nodes for tasks like querying blockchain data, sending transactions, or monitoring events Experience with Web3 libraries (e.g., Alloy, Web3.js, ethers.js, ether-rs, viem) to build and test blockchain integrations BENEFITS The base salary range for this position is USD $95,000 - $230,000 + equity + ZRX tokens + benefits. Within the range, individual pay is determined by job-related skills, experience, location, business needs, and candidate preferences between the different compensation elements. Comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents 401k and FSA for U.S.-based employees Monthly mobile phone bill, wellness, and pre-tax transportation expense Covered mental health benefits (included professional therapy sessions) A supportive remote environment Lunch reimbursement for all employees across the globe! Stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need 12-week paid parental leave Great office conveniently located in the SF Financial District for those in the region! Flexible vacation: Take time when you need it (and we really mean it!) Multiple annual in-person team meet-ups around the globe 0x and its associated entities are dedicated to fostering diversity, inclusion, and belonging in its teams and workforce, and are proud to be equal opportunity employers. 0x does not make employment or hiring decisions on the basis of race, color, creed, religion, sex (including those who are pregnant or have given birth), sexual orientation, gender, gender expression or identity, age, disability, medical condition, genetic information, military or veteran status, marital status, pregnancy, citizenship, national origin, immigration or citizenship status, political affiliation, or any other basis that is protected by applicable local, state, or federal laws. This includes not making such decisions based on the status itself, as well as any associations, perceptions, and assumptions made regarding these statuses. 0x will also consider qualified applicants with arrest and conviction records in a way that is consistent with San Francisco’s Fair Chance Ordinance and similar local laws. Our commitment to equal employment opportunity extends to ensuring that all applicants and employees can perform to their fullest potential, including through obtaining reasonable accommodations when necessary.