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Post a JobSenior Machine Learning Engineer, Risk AI/ML
Coinbase
We are looking for a Machine Learning Engineer to join our Risk AI/ML team. We are dedicated to building the sophisticated models that protect our customers and make Coinbase the most trusted platform in crypto. Your work will directly prevent fraud, account takeovers, and scams, while enabling future products like instant guest checkout and Coinbase Cards. This is a hands-on technical role where you will leverage our cutting-edge, self-service ML platform to rapidly design, deploy, and iterate on the models that defend millions of users. What you’ll be doing (ie. job duties): Own a Critical Risk Domain: Take full technical ownership of a core problem space, such as Scams or Account Takeover. You will design, build, and lead the strategy for all models in this domain. Architect and Design Systems: Lead the system design and architecture for new, complex risk detection models. This includes everything from feature pipeline design to model selection (e.g., GNNs, LSTMs, LLMs) and high-performance serving. Drive the Technical Roadmap: Work with Product, Ops, and other stakeholders to translate ambiguous business needs into a clear technical roadmap. You will be the primary technical voice defining the "how." Mentor and Lead: Act as a technical leader and mentor for mid-level and junior engineers on the team. You will lead by example through code reviews, design docs, and coaching. Apply Advanced ML: Apply modern methodologies (e.g., deep learning, NLP, Graph Neural Networks (GNNs), sequence modeling, and LLMs for NLP and conversational agents) to solve complex, crypto-native challenges. Build Context-Aware Risk Systems: Architect the adaptive logic that decides which friction (a quiz, an LLM agent, a human review) to apply to which user, balancing security with user experience. What we look for in you (ie. job requirements): 6-8+ years of professional experience in software engineering and/or AI/ML, with experience deploying AI/ML systems into production. Proven track record of technical leadership, including designing and deploying large-scale ML systems from scratch. Passion & Values: A commitment to building an open financial system and a strong desire to protect users from fraud and scams. You embody our core cultural values: add positive energy, communicate clearly, be curious, and be a builder. AI/ML Knowledge: Deep expertise in applied AI/ML techniques (e.g., Risk ML, deep learning, NLP, recommender systems, anomaly detection). Technical & Coding Skills: Expert-level coding skills (e.g., Python) and deep experience with AI/ML frameworks (TensorFlow, PyTorch). Experience in building backend systems with a focus on data processing or analytics is a plus. Team Collaboration: Ability to work collaboratively on technical initiatives and contribute to impactful AI/ML solutions. Communication Skills: Strong communication skills, with the ability to convey technical concepts to both technical and non-technical audiences. Nice to haves: Master’s / Ph.D in Computer Science, AI/ML, Data Science, or a related field. Familiarity with modern data and AI/ML infrastructure (e.g., Feature Stores like Tecton, Model Serving like RayServe, Apache Airflow, Spark, Kafka). Experience with Graph Neural Networks (GNNs) or Sequential Models (like LSTMs). Experience with LLMs (NLP, fine-tuning, agentic systems) or Reinforcement Learning. Understanding of MLOps best practices, including monitoring and improving production models. Experience with data analysis and visualization tools. Job ID: GPML05US Job ID: GPML05US *Answers to crypto-related questions may be used to evaluate your onchain experience #LI-Remote Pay Transparency Notice: Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include bonus eligibility + equity eligibility + benefits (including medical, dental, vision and 401(k)). Pay Range: $186,065 - $218,900 USD Pay Transparency Notice: The target annual salary for this position can range as detailed below. Full time offers from Coinbase also include bonus eligibility + equity eligibility + benefits (including medical, dental, and vision) Pay Range: $191,100 - $191,100 CAD Skills Communications Skills Development Software Engineering Team Collaboration
Software Engineer II, Transaction Tracing
Chainalysis
Summary As a Software Engineer within the Investigations group, you’ll contribute to a remote team of engineers, sharing the responsibility of developing and delivering the right tools for the right data to create best-in-class customer experiences. This will provide you with the opportunity to build and maintain customer-facing web frontend features, as well as the services and data pipelines backing them in collaboration with skilled team-members. Part of this responsibility will also involve learning and understanding the domain and the underlying data platform to successfully partner with product managers and designers to deliver impactful solutions to our customers. In this role, you’ll: Become part of an established team adept at collaboration and task allocation. A team which can focus on generating direct impact. Make key contributions to high availability solutions in close collaboration with your team through your ability and willingness to take ownership and assist where needed. Your contributions will be thorough and result in sustaining a low maintenance overhead. Gain customer understanding as well as valuable insights into our data platform through your curiosity around cryptocurrencies/decentralized-finance Demonstrate your passion for learning by seeking out knowledge and collaborating with people close to our products and solutions. Display your bias to ship and iterate alongside product management and design partners. We’re looking for candidates who have: Expertise in writing and maintaining Java/Spring-based backend services. Experience in the full lifecycle of service management, from initial development to continuous operation. An understanding of the critical aspects of service scalability and high availability as well as monitoring and maintaining deployed features and services ensuring optimal performance and reliability. Database management systems experience including replication, high availability, performance tuning, and complex query optimization. Hands on experience with frontend development. Knowledge of container orchestration using Kubernetes. You might also have: Been exposed to event streaming platforms. Hands on with infrastructure as code. A track record in mentoring other engineers, leading cross-team projects without authority, and driving design and technology decisions. Technologies we use): Monitoring and alerting: Datadog, Falcon LogScale (formerly Humio) Database management systems: PostgreSQL, ClickHouse Deployment tools: Flux, Helm, Kustomize Frontend frameworks: React, Angular Infrastructure as code: Terraform, Terragrunt Cloud provider: AWS Event streaming platform: Kafka Big data processing: Databricks Skills AWS Communications Skills Development Java Software Engineering Team Collaboration
Senior Finance Operations Analyst
Alchemy
Summary We are seeking an experienced Senior Finance Operations Analyst to join our growing finance operations team. This role reports to the Head of Finance Operations and owns the complete revenue cycle - from initial billing through GL reporting. You will manage traditional accounts receivable functions while ensuring accurate revenue recognition and reporting under ASC 606. As a key member of our finance team at a dynamic crypto company, you will serve as a strategic partner to Sales, RevOps, and Leadership while maintaining the integrity of our revenue processes. Key Responsibilities Revenue Cycle Management Own end-to-end revenue process from billing through GL reporting Ensure accurate and timely customer invoicing Manage collections activities and customer payment follow-ups Perform cash applications and maintain AR aging analysis Assist our customers with billing and payment inquiries Revenue Accounting & Reporting Execute monthly revenue and AR close procedures Perform revenue reconciliations between billing systems and the GL Ensure compliance with ASC 606 revenue recognition standards Maintain supporting documentation for revenue transactions Prepare journal entries and GL account reconciliations Deliver regular revenue, collections, and aging reporting and analyses to Leadership Cross-Functional Partnership Partner with Sales and RevOps teams on deal structuring and pricing inquiries Partner with Strategic Finance and Business Operations on product-level ARR, collections, pricing and other strategic reporting Collaborate on monetization strategies for new product launches Support ad-hoc business analytics and reporting needs Systems & Process Optimization Collaborate with Product and Engineering teams on billing systems and process improvements Identify and drive process improvements across revenue operations Maintain and optimize workflows in Netsuite, Orb, and Salesforce Ensure data integrity across all revenue systems Required Qualifications 3-5+ years of experience in billing, collections, and revenue operations OR 1-3 years of experience in the Big4 in Assurance or Accounting Advisory Understanding of revenue recognition principles and ASC 606 Experience with month-end close processes and GL reconciliations Basic understanding of cryptocurrency payment flows (stablecoins, crypto payments, and wallet transactions) Strong analytical and problem-solving skills Excellent communication skills with ability to work across all organizational levels Detail-oriented with ability to manage multiple priorities in a fast-paced environment Ability to work in our San Francisco or NYC office 3 days per week Preferred Qualifications Accounting degree or relevant coursework Familiarity with Netsuite, Salesforce and billing platforms (Orb preferred) Experience with usage-based billing and revenue accounting Deeper experience in the cryptocurrency or fintech industry Basic SQL knowledge for data analysis and reporting Familiarity with data visualization tools (Preset, Tableau, or similar) Strong AI / LLM skills for process improvement and general output increase Startup experience and comfort with ambiguity Experience with complex billing models (usage-based, SaaS, tiered, hybrid) Skills Accounting Analytical Thinking Cryptocurrency Problem Solving
Growth Marketeer
Under Reality
Summary As a Growth Marketeer, you will be part of our digital marketing team. You are an expert on advertising, data & marketing automation. You have great knowledge of the marketing technology landscape, and will be responsible for adding additional value to our campaigns. Additionally, you will be in charge of building the strongest insights and translating them into actionable outcomes, evaluating our clients’ digital ecosystem. While being responsible for media planning, optimizing campaigns, measuring, and ensuring the best possible insights reports for our clients on a daily basis. As a Growth Marketeer, you combine your passion for creative marketing solutions with a strong analytical approach. You don’t settle for anything less than the best-performing campaigns. You are results-driven, not afraid to make changes for better results, and proactively implement your analytical skills at work. You possess a high level of business sense, communication skills, and professionalism. Responsibilities Provide Digital Marketing expertise across different campaigns: from defining KPIs for media planning, execution of campaigns, customer journey optimization, and reporting; Execute personalized marketing campaigns through various channels including email, web/app, and social media; Social media advertising (e.g. Facebook, Google, and LinkedIn), SEO & SEA campaigns, conversion tracking and reporting; Data analytics/dashboarding to provide your team and clients with valuable insights; Always up to date with the latest trends in digital marketing to make campaigns perform even better; Working across multiple client accounts to provide the best delivery and results in various campaigns. Additional Skills Strong marketing background/education and proven experience in online consumer marketing (2+ years relevant work experience); Hands-on experience with e.g. Instagram, TikTok, Google, and LinkedIn advertising; Experience with marketing automation tools like Klaviyo, Hubspot, ActiveCampaign or similar tools; Excellent communication skills to work cross-teams, creative thinker, and team player; Problem-solver with a creative spirit; Professional proficiency in English and Dutch. Why you will definitely love working with us You will be able to work on innovative & creative projects with top-tier clients; You will be part of a fast-growing, talented, and highly motivated team and will be a key driver of the agency’s growth; You will get a high level of independence and will be given every opportunity to develop the capabilities of the team further; An inspiring work environment in the heart of Amsterdam; An open culture; The possibility to further develop and train your skills; Friday afternoon drinks and legendary team activities. Skills Analytical Thinking Communications Skills Growth Marketing Marketing Team Collaboration
Staff Unity Engineer (Remote)
Limit Break
Unleash your potential at Limit Break as we seek an exceptional Staff Unity Engineer to spearhead an exciting new venture! We are embarking on a groundbreaking journey to develop a cutting-edge, mid-core, 3D mobile game from concept to reality. At the outset, you'll collaborate closely with a small yet dynamic team to craft and refine the game's prototype, ensuring alignment with executive stakeholders. As the project gains momentum, you'll take charge of scaling the team from pre-production to full production, collaborating with leads and directors across various disciplines. This role offers an inquisitive and driven individual a rare chance to shape the workflow and assemble a top-notch team for an ambitious gaming project. Join a passionate and experienced organization where bright minds thrive, and your dedication to gaming excellence will be celebrated. You will have the opportunity to play an active role as a core member from the beginning of the team. Leave your mark on the gaming world and be part of an engaging, forward-looking team! Responsibilities: ● Provide technical direction and guidance to the team, making important architectural decisions, and ensuring they follow best practices. ● Actively writing and reviewing code, optimizing performance, and tackling complex technical challenges. Overseeing the development process, setting milestones, and ensuring the team meets deadlines and project goals. ● Lead the design and implementation of a new Unity 3D game project, from its initial prototype to full production. ● Collaborate closely with design leads and other team members to rapidly iterate on the game prototype.Working with different teams, such as design, art, production, and engineering, to identify focus areas and find effective solutions for each development phase. ● Prioritize tasks effectively, even taking on different roles if needed, to ensure smooth progress for the project and team.Improving and enforcing processes, pipelines, and best practices for game development. ● Conduct code and architecture reviews to maintain high standards. ● Explore and integrate new technologies and techniques to enhance workflow efficiency and create secure, maintainable games and applications. Qualifications: ● B.S. (or higher) in Computer Science or a related field ● 8-10 years of software engineering experience, ideally in live service mobile games ● 5 years of experience with Unity 3D game development ● Strong sense of initiative and ownership ● Experience building a game from prototype to launching and shipping the game, ideally with Unity ● Comfortable and effective working across a range of technologies ● Strong foundations in system architecture, software design, and production software development best practices ● Ability to effectively communicate with technical and non-technical stakeholders, including executive leadership ● A "roll up your sleeves" mindset to get any job done Nice to have. What an ideal candidate looks like: ● Passion for games and strong game design sensibilities ● Excellent understanding of Unity 3D game and tools development, including live service tooling and management ● Broad knowledge of available Unity plugins and assets that can be used for the development of the game ● Experience with F2P gamingExperience with AWS and building cloud-native applications ● Experience with Server development (Ex: Go, Java, Python) ● Passion for blockchain and games development, demonstrating an awareness and following of industry trends and best practices Skills Communications Skills Development Leadership Software Architecture Software Engineering Team Collaboration
Senior Protocol Engineer - Golang (External)
Serotonin
Summary We are looking for a protocol engineer to join the growing team responsible for both the design and development of upgrades to the chain that improve upon its incentive mechanisms, optimize its capital and computational efficiencies, and generalize its application. You will join a flat, collaborative environment that emphasizes solving hard problems well and with haste. Key Responsibilities: Designing improvements and new features: improving upon its incentive mechanisms, optimizing the capital and computational efficiencies, and generalizing its application. Writing Go code that improves the codebase by implementing ideas designed as above Preemptively assess all implications from every new decision made for the chain and every signal emitted by the chain. This includes but is not limited to economic, scalability, and usability concerns; anything that comprises an “end-to-end ownership” of the chain. Battling emergencies in the war room whenever key chain functionality has been impaired Collaborating with other teams to communicate chain functionality to maximize the value they can in turn offer others (e.g. to help inform how the indexing team should build new schemas for various applications) Participating in system architecture, protocol design, and decision-making to ensure security and minimize attack surface Keeping up-to-date with the latest developments in the Cosmos and broader crypto ecosystems, to always incorporate new best practices, techniques, and threat mitigations Key Requirements: 2+ years in an adversarial, blockchain environment writing production-grade, protocol-level code including core chain source code or smart contracts 4+ years writing production-grade, scalable Go Shape rotator; Can read and speak in math and abstractions Expert understanding of common crypto-economic primitives Previous experience at a crypto project that successfully navigated at least one, full cycle while actively battling typical adversarial forces inherent to crypto i.e. you worked at a noteworthy protocol Proactive, English-fluent communicator Fully immersed in, dedicated to, and bought-in to crypto Preferred Requirements: Experience building Cosmos SDK chains Can do their own DevOps Interest in Machine Learning Is a notable presence on CT Skills Communications Skills Cryptocurrency Software Architecture Team Collaboration
2D/3D Animator
FRAG Games
What we need! Strong sense of animation basics and principles along with practical knowledge. Sound knowledge and experience with major 2D/3D game animation tools (Spine 2D, Adobe AE, Moho etc.). Complete knowledge of game art development pipeline. Team player and ability to take and implement feedback with clear communication. Understanding of major game engines is plus. Benefits offered by FRAG! Monthly Medical Reimbursements Medical Insurance with Maternity Coverage Paid Paternity and Maternity Leaves Fuel Allowance Annual Leaves Encashment Casual and Sick leaves Birthday Gift Snacks Allowance Any Special Occasion Gift Annual Increments Skills Animations Communications Skills Team Collaboration
Software Development Engineer
xalts
Summary Responsibilities: Write clean maintainable code that is in accordance with Xalts development guidelines and exhaustive unit tests for new backend functionality and systems Design, develop, and maintain backend services with scalability, reliability, and performance in mind Collaborate closely with product managers and implement new features with quality Collaborate closely with the QA and Frontend teams Create timelines and task breakdown for product requirements provided by product and business teams Requirements: Undergraduate or graduate Engineering Degree in Computer Science or related field with minimum 1+ years of experience as an Individual contributor "Proven experience in software development with minimum 1 year of experience in Java, SpringBoot" Understanding of Distributed Systems, Queues, AWS/Azure/GCP Cloud services Familiarity with Agile software development methodologies Strong proficiency in data structures, algorithms, OOPS, and database management systems Excellent communication and collaboration skills Experience with working in Databases like Postgresql/MongoDB/DynamoDB Knowledge of Test-driven Development, Refactoring, Clean Code, Clean Architecture, and Design Patterns Strong desire to solving complex and interesting real-world problems Nice to have: Hands-on experience in using CI/CD pipelines and using various services in AWS/GCP/Azure Experience on Agile Methodology and understand sprint deliverables Hands-on experience with RabbitMq Skills AWS Communications Skills Development Software Engineering Team Collaboration
Smart Contract Engineer
Animoca Brands
Summary We are seeking a highly skilled and passionate Smart Contract Engineer. In this pivotal role, you will be responsible for designing, developing, deploying, and maintaining secure and efficient smart contracts that power our core decentralized applications (dApps). You will work closely with product managers, engineers, and developers to bring innovative Web3 solutions to life. Responsibilities Design & Development: Architect, develop, and implement robust, secure, and scalable smart contracts primarily on [e.g., Ethereum, Polygon, Solana, Avalanche, etc.] using [e.g., Solidity, Rust, Vyper, etc.]. Security & Auditing: Conduct thorough security audits, write comprehensive unit and integration tests, and implement best practices to minimize vulnerabilities in smart contracts. Deployment & Maintenance: Deploy smart contracts to various blockchain networks and manage their lifecycle, including upgrades and migrations. Collaboration: Work closely with product teams to translate business requirements into technical specifications for smart contract functionality. Integration: Collaborate with front-end and back-end developers to integrate smart contracts with dApps and other off-chain systems. Research & Innovation: Stay abreast of the latest developments in blockchain technology, smart contract security, and Web3 ecosystem trends. Documentation: Create clear, concise, and comprehensive technical documentation for smart contracts and related processes. Code Review: Participate in peer code reviews to ensure code quality, security, and adherence to best practices. Requirements / Skill Sets Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. 5+ years of professional software development experience, with at least [e.g., 2+] years specifically focused on smart contract development. Expert in Solidity / Rust / Vyper and strong grasp of EVM or similar runtimes. Solid understanding of blockchain basics – decentralization, consensus, cryptography. Experience in applying AI/ML concepts (e.g., anomaly detection, model inference) to engineering problems. Familiarity with smart contract security issues (e.g., reentrancy, gas optimization) and experience with auditing tools. Skills Cryptography Development Smart Contract Development Software Engineering
Derivatives Product Manager
WOO X
Summary We are looking for a Derivatives Product Manager to join us on this mission and vision. You’ll become an integral part of the Product Management team, which defines the overall product strategy and vision of WOO and works with different functions to align and deliver products and features that provide maximum value to our users. On a day-to-day basis, PMs will brainstorm and research new product ideas, define the requirements of upcoming product features, and plan and deliver product releases.. What you’ll be working on: Lead end-to-end planning, design, and iteration of derivatives trading products, ensuring performance, reliability, and a competitive user experience. Develop product solutions for both institutional and retail traders, covering areas such as order execution, margin mechanisms, trading flows, and risk parameters. Work closely with risk, quant, and engineering teams to design and optimize platform-level risk control frameworks, including margin models, liquidation logic, and position management. Analyze product performance, trading behavior, and user data to identify opportunities for optimization and growth. Build internal tools and business systems that support derivatives growth, operational efficiency, and scalable product development. Collaborate with cross-functional teams (Engineering, Risk, Operations, BD, Compliance) to ensure smooth delivery, iteration, and long-term roadmap execution. Stay informed on market trends, competitor offerings, and derivatives trading practices to guide product direction and strategic planning. Why work with us: Join us in realising our vision in advancing decentralisation, and leading innovation in CeFi. Enjoy work flexibility, a supportive team, and an environment that nurtures your ideas. Plus, expect a performance-based annual bonus for all contributors at WOO 💪 About you: Bachelor’s degree or above, with 5+ years of product experience in trading platforms, futures trading, or financial technology. Strong understanding of trading product architecture, derivatives mechanisms, and core concepts such as leverage, funding rates, mark price, margin requirements, and liquidation processes. Proven ability to translate complex trading logic into clear, actionable product requirements and specifications. Highly proficient in data analysis, with the ability to extract insights from user behavior, market activity, and product metrics. Experience with financial instruments such as equities, FX futures, or options is a strong plus. Experience designing products for institutional users or supporting institutional trading workflows is preferred. Strong communication skills in both Chinese and English, capable of working effectively with global engineering, risk, and business teams. Self-driven, detail-oriented, and comfortable managing complex product initiatives in a fast-paced environment. Skills Communications Skills Leadership Product Management Strategic Thinking Team Collaboration
Marketing Intern
Tree House Lab
Summary We are looking for an enthusiastic go-getter to join our Marketing team as a Marketing Intern. If you are excited about marketing in the DeFi space, we are looking for you! As a Marketing Intern, you'll play a vital supporting role in growing our protocol’s visibility and community through strategic influencer (KOL) collaborations and engaging written content. You will also have a chance to assist in marketing through the entire marketing funnel. Roles and Responsibilities KOL Management Research, identify, and reach out to potential KOLs across platforms (X/Twitter, YouTube, TikTok, etc.) Assist in coordinating campaigns and communications with existing KOLs and partners Track KOL performance and compile reports with key metrics and insights Maintain and update our internal KOL database Content & Copywriting Prepare internal and external communications for new features, products, and company updates Create written content for social media, product announcements, blog posts, and newsletters Conceptualize content and assets across all Treehouse channels (e.g., Twitter, LinkedIn, Reddit, Medium) Guide designers and developers through the creation of marketing features and creatives Social Media & Community Draft and schedule posts across our social media channels (Twitter, Reddit, LinkedIn, Medium) Build and nurture the Treehouse community via Discord and Telegram Monitor sentiment, respond to community inquiries, and escalate issues when needed Campaign Execution Assist in developing and executing online marketing campaigns Draft and monitor paid ad campaigns and performance Collaborate with internal teams to ensure alignment on campaign goals and messaging You will have the opportunity to: Gain exposure to many different forms of digital marketing Learn about social media trends in DeFi by managing Treehouse’s various channels (Twitter, Reddit, LinkedIn, Medium) Become a super-effective copywriter Allow your artistic juices to flow by directing creatives for all Treehouse channels Work with technical team members Grow your knowledge about Crypto / DeFi / Web3 through the creation of short-form and long-form content Requirements Undergraduate student based in Singapore Able to commit to a full-time commitment internship Basic marketing knowledge Excellent command of written and spoken English Effective and creative writer Proactive and resourceful problem-solver Detail-oriented and conscientious worker Clear and efficient communicator Goal-oriented and highly organized planner Passionate and task-oriented executor Knowledge and interest in Crypto / DeFi / Web3 is a plus Skills Communications Skills Cryptography Marketing
Senior Solana Blockchain Engineer
Seedify
Summary We’re looking for an experienced Senior Solana Blockchain Developer who will play a key role in building next-generation decentralized applications across Solana and other leading blockchain ecosystems (Ethereum, Base, BNB Chain, Polygon, Avalanche, etc).You will lead the design, implementation, and maintenance of smart contracts and blockchain integrations that power core business logic, ensuring security, scalability, and performance across multiple networks. Smart Contract Architecture & Development · Design, develop, and deploy Solana smart contracts using Rust and Anchor framework. · Write Solidity or Vyper contracts for cross-chain integrations or Ethereum-compatible deployments (ETH, Base, BNB Chain, Polygon, Avalanche). · Develop and optimize programs for tokenomics models (staking, liquidity, farming, IDOs, etc.) with a focus on gas efficiency, security, and modularity. · Implement and maintain token standards including: · Solana SPL tokens · ERC20, ERC721, ERC1155, ERC4626 Blockchain Integrations & Infrastructure · Work with Web3 libraries such as ethers.js, web3.js, or @solana/web3.js to integrate smart contracts with backend and frontend systems. · Build and maintain cross-chain bridges, indexing pipelines, and transaction monitoring services. · Collaborate with DevOps to automate smart contract deployment pipelines and RPC infrastructure. Backend & System Development · Develop backend APIs and services using TypeScript / Node.js (Express, NestJS, or Fastify). · Integrate blockchain logic with backend microservices, databases (PostgreSQL, MongoDB, Redis), and caching layers. · Ensure strong observability and fault-tolerance (logs, monitoring, error recovery). Quality, Security & Testing · Conduct code reviews, enforce security best practices, and ensure contracts are audit-ready. · Implement unit, integration, and fuzz tests for both on-chain and off-chain components · Collaborate with auditors during formal security reviews and implement recommended remediations. Tech Stack: Languages: Rust, TypeScript, Solidity (or Vyper) Frameworks: Anchor (Solana), Hardhat / Foundry (EVM) Web3 Libraries: @solana/web3.js, ethers.js, web3.js Backend: Node.js, Express / NestJS, PostgreSQL / MongoDB / Redis Testing: Jest, Mocha, Anchor test suite, Chai Infrastructure: Docker, GitHub Actions, Alchemy / QuickNode / RPC providers Monitoring: NewRelic, Sentry Requirements: Experience: 3-5+ years of experience in Solana blockchain development and other major blockchains like ETH, Base, BNB/BSC, Polygon, Avalanche, etc. Proven experience with at least one EVM-compatible blockchain (Ethereum, BNB Chain, Polygon, Avalanche, etc). Strong background in backend engineering using TypeScript/Node.js. Interest on Web3 ecosystem, wallets & transactions, IDOs & ICOs, DeFi (staking, farming, liquidity pools), omnichain. Experience integrating smart contracts into production-grade systems. Proven track record of mentoring engineers, conducting code reviews, and leading technical discussions. Excellent problem-solving and communication skills in a remote, async environment. Skills Communications Skills Database Management Development Rust SQL Team Collaboration TypeScript

