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About Wintermute Wintermute is one of the largest crypto native algorithmic trading companies in digital assets. We provide liquidity across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well as support high profile blockchain projects and traditional financial institutions moving into crypto. Wintermute also has a Wintermute Ventures arm that invests in early stage DeFi projects. Wintermute was founded in 2017 and has successfully navigated industry cycles. Culturally, we combine the best of the two worlds: the technology standards of high-frequency trading firms in traditional markets and the innovative and entrepreneurial culture of technology startups. To Wintermute digital assets is not just another asset class, we believe in the innovative potential of blockchain, the fundamental innovations, we have a long-term view on the digital asset market and are taking a leadership position in building an innovative and compliant market. You can read more here. About Wintermute Ventures Wintermute Ventures is the investment arm of Wintermute. Drawing from Wintermute's expertise in pioneering DeFi trading and powering liquidity across the entire ecosystem, Wintermute Ventures is uniquely positioned to back early-stage Web3 projects with hands-on support. Focused on long-term growth, the company takes a flexible approach, investing from early ideation to later-stage expansion. Committed to developing strategic relationships and driving positive outcomes, Wintermute Ventures prioritizes decentralized ownership, ensuring its investments align with the company’s broader vision of a decentralized future. Since 2020, it has invested in over 120 projects. Alongside our venture portfolio, we actively manage a substantial liquid token portfolio spanning L1s/L2s, DeFi, infrastructure, and emerging ecosystems. We are now looking for Investment Associate to join our investment team to focus on liquid strategies. This role is ideal for someone passionate about crypto markets who thrives at the intersection of fundamental research, market structure, and idea generation. Your role at Wintermute Ventures would require you to be flexible and adaptable, as the role will involve a wide range of responsibilities across the investment lifecycle, including liquid token investing, management of existing token portfolio and early crypto venture investing. \n Responsibilities - Some examples of your role: Sourcing: Source and evaluate new liquid investment opportunities across tokens, protocols, and ecosystems. Analysis: Develop investment theses on high-conviction liquid tokens by combining fundamental, quantitative, and on-chain analysis. This will also include analysing market and investment trends in the blockchain industry, inclusive of market research, data collection and feasibility studies on potential blockchain investments; Due Diligence: Performing due diligence on investment prospects to drive investment decisions, including market research, product reviews, competitive analysis, metrics analysis, customer/user reviews and technical diligence. Portfolio Work: Monitor and analyse the performance of the existing liquid token portfolio. Track key catalysts, risks, and market structure for current holdings. Support portfolio optimization and risk management decisions. Ecosystem Building: Being an active contributor to the blockchain/cryptocurrencies community by organizing activities, participating in local events and looking for ways to help grow the Wintermute Ventures franchisee especially with the New York community Admin: Assist with admin projects such as liaising and coordinating with internal / external parties including auditors, custody providers, cap table management software and general administrative support as needed across the venture business Hard Skills Requirements: Strong network in the NYC crypto ecosystem to source crypto venture deals Foundational experience in constructing derivatives strategies, including options and perps, and executing these strategies OTC and on-screen. Ability to identify, analyse and execute yield strategies across money market protocols (borrowing and lending), staking and yield farming opportunities. Experience interacting with DeFi protocols via multisigs and a native understanding of blockchain technology with experience reviewing white papers or crypto projects. On-chain analytics: Proficiency with tools like Dune, Nansen, Token Terminal, Artemis, DeFiLlama, Glassnode, or ability to query on-chain data directly. Know your way around CT / Discord / contracts on Etherscan to enhance your insight funnel Tokenomics & valuation modeling: Ability to build and stress-test token models (supply schedules, FDV vs. circulating, emissions, staking yields, etc.). Bachelor degree in Computer Science, Finance, Economics or related field, or equivalent practical experience A minimum of 3 years of experience in investment research, trading, equity research, hedge funds, or venture capital (liquid crypto experience strongly preferred). The ability to think analytically and strategically about investment decisions and ongoing work with existing portfolio companies. The ability to work well within a team and be self-guided on a day-to-day basis Strong written and analytical skills for deal analysis and internal reporting. Strong relationship building skills and enjoy networking with project founders and broader community Nice to have requirements: A technical background or experience in data science is a plus. SQL / Python: Strong data analysis skills (e.g., writing SQL queries, Python for data wrangling, backtesting strategies, API integrations). Perks Engaging projects offering accelerated responsibility and ownership compared to traditional finance environments A performance-based compensation with a significant earning potential alongside standard perks like 401(k) and private health insurance. Flat company structure: your ideas get heard by the right people very quickly A vibrant working culture with team meals, festive celebrations, gaming events and company wide team building events.. A cool office in central London, New York & Singapore Work flexibility: This role is located in New York City and will be a hybrid role with flexibility for partial remote work (dynamic arrangement based on business needs)

Our Vision As one of the world’s top 10 digital asset exchanges (and still rising 🚀), we provide first-class service experiences in trading, security, and blockchain product innovation. Our goal is to make it possible for everyone to participate in the development of the crypto market, enabling the most cutting-edge and promising crypto projects to be safely launched and traded. Are you interested in joining such a decentralized team? Job Responsibilities Blockchain Integration & Development: Responsible for backend development on Solana, Tron, TON, etc., including on-chain data parsing, smart contract interactions, transaction processing, and related functions. Data Parsing & Storage: Design and optimize blockchain data indexing and parsing solutions to ensure efficient storage and fast queries of transaction data, account information, NFT assets, etc. Smart Contract Interaction: Develop API services for interacting with smart contracts, encapsulate contract calls, and implement on-chain business logic. High-Performance Backend Development: Use Go, Rust, or Node.js to build highly concurrent, highly available backend services, optimizing on-chain data retrieval and synchronization. Distributed Architecture & Databases: Responsible for on-chain data storage solutions, including PostgreSQL, ClickHouse, Doris, MongoDB, and other databases for storage and analysis. Web3 Services & API Development: Design and develop Web3-related APIs such as wallet services, DApp backends, and cross-chain bridge integration. Performance Optimization: Optimize RPC requests, improve node synchronization speed, reduce storage costs, and enhance system stability and responsiveness. Security & Compliance: Research and address issues related to private key management, access control, transaction security, and ensure system compliance and safety. Team Collaboration: Work closely with frontend developers, product managers, and smart contract teams to deliver projects and enhance user experience. Job Requirements Programming Languages: Proficient in at least two of Go / Rust / Node.js / Python, with a solid computer science foundation. Blockchain Development Experience: Familiar with development on at least one chain (Solana, Tron, or TON), including RPC, SDK, and smart contract interaction. Understanding of Blockchain Principles: Knowledge of transaction structures, account models, storage methods, consensus mechanisms, and other core concepts. Smart Contract Interaction: Familiar with Solidity, Rust (Solana), FunC (TON), and able to write and parse smart contract call data. Databases & Storage: Proficient in SQL / NoSQL databases such as PostgreSQL, MongoDB, ClickHouse, Doris, with large-scale data processing experience. Blockchain Parsing: Experience with blockchain data indexing, on-chain data parsing, and event listening, capable of implementing blockchain synchronization solutions. Distributed Systems: Experience with Kafka, Redis, gRPC, and microservice architectures, able to design high-availability blockchain data sync systems. Networking & Security: Understanding of Web3 security issues such as key management, signature mechanisms, and replay attack prevention. Performance Optimization: Experience in RPC optimization, database query optimization, and high-performance backend architecture design. Team Collaboration: Strong communication skills, able to work with frontend, smart contract, and product teams to deliver projects. Gate’s Values We adhere to a principle of value above all else. Your knowledge, vision, and autonomy will be fully utilized here. We focus on earning global customer recognition through the best products and services, while bringing decentralization to every corner of the world. Our values include integrity, insight, innovation, curiosity, and collaboration. At Gate, we are dedicated to building a unique Gate style and are looking for people who share these values. Our Company Founded in 2013, Gate is one of the leading cryptocurrency exchanges, providing a wide range of services related to trading leading digital assets worldwide. Gate has more than 10 million registered users and is considered one of the safest and most reliable crypto platforms globally. The exchange has passed blockchain transparency verification and consistently ranks among the world’s top 10 cryptocurrency exchanges (CoinGecko) by liquidity and trading volume.

About Us Sei is the first parallelized layer 1 blockchain. By re-writing the most widely adopted execution environment in Web3, Sei is setting a new standard in blockchain performance and scalability. Apps on Sei benefit from both the performance of web2 and the decentralization and sovereignty of web3. For more detailed information visit Sei's official website. About the Role We're looking for a Business Development Lead to drive stablecoin partnerships that accelerate adoption across DeFi, consumer applications, and cross-border use cases. This is a high-impact role for someone who knows the stablecoin landscape inside and out. You’ll work directly with Sei Development Foundation leadership, ecosystem teams, and strategic partners to position Sei as a premier chain for stablecoin issuance, distribution, and usage. Responsibilities Drive strategic partnerships with stablecoin issuers, wallets, exchanges (CEXs/DEXs), payment platforms, custodians, and other ecosystem players Develop Sei’s stablecoin strategy and own the GTM roadmap for onboarding top stablecoin partners to the Sei ecosystem Lead high-impact negotiations from initial outreach through diligence, term sheets, and launch Collaborate cross-functionally with Product, Engineering, Legal, Marketing, and ecosystem teams to align on partnership execution Track stablecoin trends across regions, verticals, and use cases to inform Sei’s broader growth priorities Represent Sei externally at industry events, with the press, and across strategic conversations to position Sei as a stablecoin hub Report on impact, including new integrations, stablecoin volume growth, and long-term usage of stablecoins within Sei-based apps What We're Looking For Experience in business development, strategic partnerships, or ecosystem growth in web3, fintech, or payments Deep familiarity with the stablecoin ecosystem and an understanding of what matters to issuers and integrators A proven track record of closing complex deals and driving partnerships from concept to execution Excellent communication and negotiation skills, able to explain technical value propositions to non-technical stakeholders Analytical instincts and the ability to make data-driven decisions with metrics that drive ecosystem health High agency, proactive, solutions-oriented, and comfortable working with ambiguity Passion for web3 and belief in the role of stablecoins in expanding access to global financial systems Nice to haves Direct experience working with major stablecoins (e.g., USDC, USDT) Existing network of contacts across top stablecoin projects, DeFi protocols, and Layer 1 ecosystems Experience launching or scaling stablecoin-related products

OpenSea is the gateway to web3’s next chapter—where NFTs, fungible tokens, and emerging digital assets converge to create open, user-owned economies. As a foundational player in the crypto space, we’re building infrastructure that supports millions of users and sets new standards for how people discover and exchange digital value. Our team is small but mighty: hands-on, fast-moving, and deeply committed to shipping meaningful work. We're remote-first by design, AI-empowered by default, and guided by values that prioritize ownership, trust, and progress. At OpenSea, you’ll be challenged to grow fast while being supported by a talent-dense team shaping the future of crypto. We are seeking a Creative AI-driven Content Producer who will bring creative design concepts to life through cutting-edge AI tools. You'll work directly with our executive and marketing teams to transform strategic direction into compelling visual content, campaigns, and assets that resonate deeply with the crypto community. This is a hands-on execution role in a fast-paced, dynamic environment, requiring you to be an expert practitioner of AI-powered creative tools while maintaining a connection to web3 culture. You'll be responsible for creating scroll-stopping content across our social channels and marketing communications that captures the essence of OpenSea's evolution. If you're passionate about pushing the boundaries of AI-assisted creativity, we invite you to help us craft the visual narrative of our next chapter. Responsibilities: Create compelling video content, motion graphics, and visual assets using advanced AI tools for social media, marketing campaigns, and community engagement. Develop and produce multi-format content optimized for various platforms including Twitter, Discord, Instagram, TikTok, and emerging web3 social channels. Leverage AI video generation, image creation, and design tools to rapidly prototype and iterate on creative concepts while maintaining brand consistency. Design web3-native visual experiences that authentically speak to collectors, traders, and crypto enthusiasts with cultural fluency and relevance. Collaborate closely with marketing, bd, community, and executive teams to ensure all creative output aligns with campaign objectives and community sentiment. Stay ahead of AI tool developments and web3 design trends, continuously expanding technical capabilities and cultural awareness. Desired Experience: Expert-level proficiency with AI-powered creative tools and platforms, with demonstrated ability to produce professional-quality output. Strong portfolio showcasing video content, motion graphics, and digital assets. Proven track record of creating viral or high-engagement content for social media platforms. Experience working in fast-paced startup environments with the ability to execute quickly while maintaining quality standards. Nice to have: Hands-on experience creating content within the web3, NFT, or crypto ecosystem with a deep understanding of community culture and visual languages. The base salary for this full-time position in the United States, spanning multiple internal levels depending on qualifications, ranges between $90,000 to $215,000 plus benefits & equity. Compensation for internationally based candidates will vary to reflect local market conditions. If you don't think you meet all of the criteria below but still are interested in the job, please apply. Nobody checks every box, and we're looking for someone who is excited to join the team. #LI-Remote Benefits & Perks 🏥 Health Benefits: We cover 100% Dental/Vision/Medical for employees and 90% for dependents 🌴 Flexible Time Off Policy: Our flexible time off policy is aimed at letting our employees take as much time off as they'd like to refresh so long as it doesn't interfere with their ability to meet their goals and contribute effectively to company velocity 👶 Parental Leave: 16 Weeks of Paid Parental Bonding & up to 8 additional weeks for the birthing parent 💛 Mental Health: We offer access to Spring Health, covering 8 therapy & 8 coaching sessions per year 📅 11 Company Holidays 🏦 Fidelity 401K Plan 📱 Internet/Mobile Reimbursement Plan 🧘 Reimbursement or Monthly Snack Delivery ✈ Company & Team retreats to get together for fun and collaboration ☕ Team Member Co-Working and Gathering Expense 🖥 MacBook Pro & WFH Stipend to make sure you are set up for success 🌯 Weekly $50 Uber Eats credit

About Us Chainlink Labs is one of the primary contributing developers of Chainlink, the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance. The Chainlink stack provides the essential data, interoperability, compliance, and privacy standards needed to power advanced blockchain use cases for institutional tokenized assets, Decentralized Finance (DeFi), payments, stablecoins, and more. Many of the world’s largest financial services institutions have also adopted Chainlink’s standards and infrastructure, including Swift, Euroclear, Mastercard, Fidelity International, UBS, ANZ, Aave, GMX, Lido, and many others. Chainlink Labs is a world-class team of over 600 developers, researchers, and capital markets experts, and has ranked among Fortune's Best Workplaces in Technology, Fortune's Best Medium Workplace, and the Top 100 Global Most Loved Workplaces. Learn more at chain.link or chainlinklabs.com. About The Role Our Banking and Capital Markets Engineering team is building products like our Automated Compliance Engine, that TradFI companies will leverage to access seamlessly and securely private and public blockchains, enabling their customers to interact and leverage new forms of financial products. As an engineer joining the team, you will be key in launching the new standards that will power all financial transactions in the future while reducing the complexity for financial institutions to start their blockchain journey. Your focus will be on scalability, automation, and security to support seamless product onboarding. In this role, you will have the opportunity to shape the future of tokenization while taking a product from inception to production. Collaboration across teams will be essential to ensure smooth cross-product integration with minimal disruption. Your Impact Designing and building a new application that will help connect TradeFi to Web3. Learn more about the underlying technology in the blockchain ecosystem (Solana, Avalanche, Polygon, and Ethereum). Learn how to build our core products with Smart Contracts using Solidity. Thinking creatively about attack vectors, possible failures, and disaster scenarios, modeling them in reproducible test environments, and developing fixes Modeling and developing recovery behaviors within our core node software Implementing resilient distributed systems to achieve high reliability in a variety of blockchain environments Requirements At least 7+ years of professional software development experience (Software Engineers, Senior Software Engineers, and Technical Leads are encouraged to apply) Experience in Golang (preferred) or any other strongly typed language (C++, Python, Java, etc.) Experience building in Web3/Blockchain B.S. or higher in computer science, software engineering, or related technical field Experience developing web applications/services and backend APIs Knowledge of systems design concepts Comfort and/or experience working as a remote employee as a part of a distributed team Ability to write and communicate effectively All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST). We carefully review all applications and aim to provide a response to every candidate within two weeks after the job posting closes. The closing date is listed on the job advert, so we encourage you to take the time to thoughtfully prepare your application. We want to fully consider your experience and skills, and you will hear from us regarding the status of your application shortly after the closing date.

About Us Turnkey is a key management API optimized for security, flexibility, and ease-of-use. Founded by the leaders who scaled Coinbase Custody from 0 to a $100M+ ARR business, Turnkey is rewriting the rules of crypto infrastructure by tackling core security at its foundational level. We are building a platform that empowers developers to unlock the next wave of mass-market crypto applications, solving the challenge of secure, flexible key management. Much like AWS transformed computing with the advent of cloud, Turnkey is the trustless, transparent, and decentralized infrastructure that will transform development in crypto. Your role Develop and own best practices for managing production infrastructure: provisioning, application scaling, configuration management, capacity planning, monitoring, etc. Develop infrastructure to manage and deploy applications in secure enclaves Develop thoughtful deployment processes and infrastructure to reduce the risks inherent in the software development lifecycle Improve operations across our infrastructure and systems including deployment, logging, monitoring, and alerting Assist in scaling out a world-class engineering team What we’re looking for 5+ years experience as a DevOps or Site Reliability Engineer Experience working with AWS, GCP, or other other cloud providers An understanding of modern application architectures with opinions on how they should be developed and deployed Experience working in extremely security-conscious environments A healthy amount of paranoia :) People who think that Web3 / cryptocurrency has the potential to radically change the world for the better and a sincere desire to help facilitate that change Style points Experience developing against TEEs, HSMs, and other secure computing environments A deep understanding of the Linux operating system and how to reduce the surface area of applications deployed on top of it Expertise in threshold signing systems and a desire to stay on the cutting edge of production-grade cryptography Actively tracking developments in the crypto ecosystem and opinionated on where it is going What We Offer Full benefits, including medical, dental, vision, life, disability, HSA/FSA, 401(k) - detailed benefits overview available as we get further in the process Paid parental leave Unlimited PTO (and we will force you to take time off!) $3,000/yr learning and development budget to attend industry conferences Multiple team offsites per year Macbook Pro laptop Lunch stipend (for those physically in the New York City office) Please note that while the team is remote, we are only considering candidates who are physically based in the United States and Canada at the current time.

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 You will own and evolve the core authentication infrastructure that secures every Phantom account. Reporting to the Engineering Manager, you’ll lead the design, implementation, and operation of our hardened Auth stack, multi-factor authentication methods, and next-gen key-management services. Your work will directly reduce account-takeover risk and empower every product team with rock-solid identity foundations. Responsibilities Authentication systems Architect and ship production-grade improvements to Phantom’s Auth stack (e.g. secure enclaves, hardened token flows, threat modeling). Passkey (WebAuthn) & MFA Secrets management Design and build systems using modern secrets management technologies to push security and functionality to the next level APIs & Integration Define and maintain stable, versioned auth APIs for downstream teams Partner with cross-functional stakeholders to ensure seamless rollouts Qualifications 7+ Years of Backend Experience: Demonstrated success in building large-scale, high-availability systems in Node.js, TypeScript, Rust, NestJS (or similar frameworks). Deep expertise in authentication protocols (OAuth2/OIDC, WebAuthn/Passkeys, OTP), Strong background in key management services (e.g. AWS KMS, Vault) and cryptography Web3/Crypto Knowledge: Familiarity with on-chain data, wallet integrations, or decentralized application patterns is strongly preferred. Strong System Design & Architecture Skills: Ability to translate product requirements into scalable, maintainable solutions, with a keen eye for performance trade-offs and fault tolerance. Leadership & Communication: Experience mentoring engineers, leading technical initiatives, and collaborating effectively with cross-functional teams. Why Work with Us 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

Our Team At Trilitech, we drive innovation in Web3 by empowering developers and creators to build pioneering solutions on the Tezos blockchain. Our expertise spans core blockchain development, decentralised applications, infrastructure tooling, developer experience, and incubation programs, with a strong focus on cultural projects, decentralised finance, and gaming. We're dedicated to redefining possibilities and setting new standards within the rapidly evolving blockchain space. Our Technology Tezos is an open-source blockchain known for its flexibility, security, and unique self-evolving capabilities. With innovations like Etherlink—an EVM-compatible Layer 2—Tezos is scaling rapidly and attracting a growing developer community. Its ecosystem supports diverse projects, from Uranium.io, a decentralized marketplace for tokenized uranium, to leading digital art platforms like Objkt.com. We encourage you to explore the Tezos website and follow us on Twitter & Discord to learn more about the project. Who We're Looking For We're looking for people who are proactive and resourceful — those who enjoy turning ideas into reality. You’ll have plenty of autonomy, and the chance to make a meaningful impact from day one. Bring your curiosity, energy, and determination, and you’ll play a key role in our growth journey. If you’re comfortable taking initiative, enjoy exploring new possibilities, and are passionate about crypto and working in a fast-paced environment, you’ll feel right at home here.. The Role The IT Engineer role at Trilitech plays a vital role in ensuring our people have the tools and support they need to work productively. You’ll be the go-to person for keeping end-user technology running smoothly across our London and Paris teams, supporting a team of around 150 employees. From troubleshooting and resolving technical issues to maintaining core systems, your work will directly enable our teams to do their best work. If you’re proactive, passionate about helping others, and thrive in a fast-paced, collaborative environment, you’ll fit right in with our talented and innovative team. What you’ll do Administering Google Workspace, including email and file sharing. Managing on-site hardware and communication equipment Setting up and installing Mac laptops for new and existing team members Overseeing endpoint management with Jamf Working with internet providers and vendors to ensure smooth service delivery Providing day-to-day support for end users, including remote staff Monitoring and managing the IT support ticket queue What you’ll need Hands-on experience with Google Workspace, Jamf, and Mac computers Strong background in IT Service Desk support Curiosity or knowledge of the blockchain space is a plus Willingness to travel to Paris and other locations at least once every two months What you can expect from us Competitive salary with substantial incentive schemes Generous long-term incentive plan (LTIP) tez token scheme Hybrid working environment Daily lunch provided in-office Commuter costs reimbursement (up to £2,700 annually) 20-day policy for working abroad 25 days paid holiday plus your birthday off Enhanced parental & adoption leave Pension contributions double matched (up to 10%) Private medical and travel insurance with mental health support Learning and development programs Life assurance (5x base salary) Why You'll Love It Join a fast-paced environment where you'll lead impactful initiatives. You’ll have autonomy to deliver results, supported by passionate colleagues in a focused but fun environment. We value ambition, creativity, and continuous learning—providing the ideal setting for career growth. Our Principles: Desire to Win: We strive for excellence and aim to be the best. Sense of Urgency: Adaptability and decisive action keep us ahead. Ownership Mindset: We lead by example, taking responsibility for outcomes. Pragmatism: We focus on impactful results. Communication: Transparency and collaboration are central. Resourceful Approach: We maximise our resources for competitive advantage.

About Spearbit & Cantina: Founded in 2021 by former Ethereum Foundation Solidity engineers, Spearbit tackles Web3 security challenges. Our founding team built the leading blockchain language and secured the largest smart contract, protecting over $160B in value. We're building Cantina, the "GitHub for Security", connecting security researchers with projects needing expertise. Our Cantina security platform has powered major competitions and serves the leading projects in Web 3. It currently supports collaborative security reviews, public and private security competitions, bug bounty programs, incident response, and AI code analyzer. Similar to how cloud-security startups emerged previously, Cantina aims to be the definitive code-security platform for the future. The Opportunity: We’re looking for a Full Stack Engineer to help us design, build, and scale our core products. This is an opportunity to have a real impact on our technical direction and product roadmap while working alongside a team of builders who thrive on curiosity and collaboration. We have multiple positions available and are open to a variety of experience levels, including recent graduates. What matters most is a strong foundation in software development, a willingness to learn quickly, and excitement about Web3. What you'll do: Contribute to the developing, building and maintaining our web applications and backend services. Collaborate with designers, product managers and other engineers to create seamless user experiences. Write clean, maintainable and well-tested code across the stack. Participate in code reviews, architecture discussions and knowledge sharing. Stay up to date with emerging trends in web development and in our industry. What we’re looking for: Strong programming fundamentals (in JavaScript/TypeScript, Python, Rust, or Go). Familiarity with frontend frameworks (React, Next.js, or similar). Experience with backend development (Node.js, Express, or similar). Understanding of databases (SQL and/or NoSQL). Curiosity about blockchain, smart contracts and decentralized systems. A self-starter mindset, able to thrive in a fast-paced, ambiguous startup environment. Strong communication skills and collaborative spirit - this is critical as we are a global company! Prior startup, internship or project based experience is a plus. Benefits Competitive salary and performance-based compensation opportunities Opportunity to work in an early-stage startup with a talented and passionate team. Exposure to high-profile clients in the blockchain and cryptocurrency industry Comprehensive health, dental and vision benefits. 401k matching program

About Us Sahara AI is a decentralized AI blockchain platform that prioritizes sovereignty and provenance of AI, ensuring security, equity, and accessibility for all users. Backed by top investors in AI and crypto, including Binance Labs, Pantera Capital, Polychain Capital, Sequoia Capital, Samsung, Matrix Partners, and many more, Sahara AI continues to push the boundaries of decentralized AI. Today, Sahara AI is trusted by 35+ leading tech innovators and research institutions, such as Microsoft, Amazon, MIT, Motherson Group, and Snap. Learn more at saharalabs.ai. Our Vision To create a future where AI is open, transparent, and accessible to all through democratizing access to AI resources and ensuring sovereignty of AI assets. Our Values Impact First, No Excuses Think Big, Act Fast, Every Day is Day 1 Speak Up, Build Better Integrity Always, Zero Compromise Own it, Raise the Bar Resilience Wins the Race About the Role We are looking for a Social Media Manager to lead, develop, and execute effective social media management and engagement strategies at Sahara AI. This role will work closely with the marketing and design teams to launch innovative social campaigns, scale our reach across platforms, and expand our audience globally. The Social Media Manager will create original written content, plan daily, weekly and monthly social campaigns, and optimize our content for various social channels and communities. The ideal candidate will be a savvy social media expert, well-versed in the latest trends and analytics platforms within the Web3 landscape, and a proactive, hard-worker. Responsibilities Social media strategy: Handle daily operations, and ensure smooth execution for Sahara AI’s social media channels Audience Engagement: Foster and maintain a strong online community by responding to comments, messages and engaging with followers Event Management: Organize and host events such as Twitter Spaces, AMAs, and community gatherings to deepen engagement Data & Analytics: Monitor, analyze, and report on social media metrics to identify trends and refine strategies Content Creation: Develop and execute a content calendar with creative posts, visuals, and videos that align with the Sahara brand voice and target audience Stay informed about Web3 and AI trends to drive innovative community strategies Basic Qualifications 4+ years experience in social media marketing, with crypto marketing experience Experience in social media marketing, channel management, content creation, copywriting and community engagement Experience creating X/Twitter posts around specific crypto topics Advanced knowledge of social media publishing tools, project management tools, major social channels (e.g. X, Discord, YouTube), and social analytics Adaptability and ability to thrive in a fast-paced environment Preferred Qualifications Working knowledge of Figma Proficient creative writing skills Excellent verbal communication and ability to build rapport with diverse audiences, especially when hosting Twitter Spaces and other similar social media What We Offer 🤖 | Shape the future of AI and Blockchain with a global team of industry experts ⚙️ | Work closely with pioneering AI companies and startups 💰 | Competitive compensation 🏥 | Medical, Dental, and Vision benefits and vacation time 💻 | Opportunity for career growth and high impact

About Block Labs Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto, and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. As we continue to expand, we are looking for an ambitious and self-driven individual to join our rapidly growing team! About The Role We are seeking a Lead Flutter Engineer, to drive the development of a next-generation Web3-native mobile application. You will define the technical vision, design the architecture, and mentor engineers while ensuring the product is secure, scalable, and user-friendly. This role blends hands-on coding with architectural ownership, leadership, and close collaboration with product and design teams. Key Responsibilities: · Architect and own the system design, technical roadmap, and overall delivery of the app. · Lead and mentor a cross-functional engineering squad, setting coding standards and best practices. · Contribute to development in Flutter/Dart while guiding quality and scalability. · Design modular systems with theming, multi-language, and OTA update capabilities. · Oversee integrations with backend services, blockchain protocols, and secure key management. · Ensure security, compliance, and high performance across all features. · Partner with product and design to align technical execution with strategic goals. · Translate analytics and user feedback into iterative improvements and innovation. About You: · 7+ years of software engineering experience, including 2+ years in a Flutter leadership or architect role. · Strong expertise in Flutter/Dart, with a proven track record of shipping consumer-grade mobile apps. · Experience designing and scaling secure mobile systems (biometrics, encrypted storage, recovery flows). · Solid understanding of blockchain, Web3, DeFi, or fintech systems. · Skilled in modular architecture and resilient system design. · Excellent communicator with experience mentoring and growing engineering teams. · Passionate about decentralization, security, and building products that empower users globally. What kind of culture can I expect? Mature, mission-driven, and low-ego. We value clarity over noise, outcomes over theatrics, and pace without chaos. If you’re one of the smartest minds in your craft and want to build with other experts, you’ll feel at home here.