Blockchain jobs in crypto and blockchain companies

Who is this position ideally for? Tech founders looking for funding - web3 or AI or Gaming space Business founders looking for funding - web3 or AI or gaming space Developers looking to upskill or network globally and gain CTO experience Developers looking to startup (while continuing their 9-5 job) soonami is looking for founders interested in Web3 or AI or gaming technologies, for early-stage projects. The vetting process for this position is 12-15 weeks. After the 12-15 program you will be taken to the Investment Committee stage and if you clear, you get $125k as funding from the soonami ecosystem to launch your startup A project that we have funded in the past? AuditOne has successfully moved out of the soonami ecosystem and raises 800k Euro recently. Is this a paid position? For a bit, yes - then you have to raise funding (which we will facilitate) After an initial vetting process (which lasts 10 days), if you’re chosen for the program, you have to enrol with us as a team of two co-founders (not more members, not less) and go through a 12-week program During the above three months, you will be paid a stipend. $1k/ month/member (for a three month period) During this period you can continue with your existing job/other assignments After three months, if you’ve shown progress depending on feedback given to you, you will be taken to the Investment Committee If the committee approves, you’re granted $125k from the soonami ecosystem. At this stage you need to give your startup full-time commitment. Tasks After your join Application gets accepted and you proceed to the next step, you'll have to apply for the soonami Venturethon, which is a second process to vet candidates Fill out your form on app[.]foundance[.]org/events/soonami-cohort-7 The above is necessary for shortlisting It's a 12-15 week process You're supposed to have an idea in the web3 or Gaming space and build part of the MVP/basic framework in a 10-day sprint, then improve the product in 8-10 weeks depending on the feedback you receive from us Requirements Expertise in any of the below. Web3 Blockchain Development Decentralized Application (DApp) Development Smart Contract Development Web Development Skills Understanding of Decentralized Finance (DeFi) Gaming AI Benefits A great platform where your startup finds boost You will get a monthly stipend of $1K/ month/member for a team of two people for three months. A certificate of completion of the EIR program Funding potential available of upto $125k for those who stick around for the 8-15 weeks EIR program and ace the IC (Investment Committee) Your Team If you have an existing co-founder/team, they can continue to work with you You can also look for a co-founder from the soonami community. We can assist with this process Ventures we have funded AuditOne unbounded.dao Foundance Rethink Finance

What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles The Financial Accountant is responsible for assisting the Head of the Finance and Operations team with the day-to-day running of the finance function; Objectives: To ensure the company has accurate financial books and records that are up-to-date To ensure that the company has the right data to be able to make informed decisions To assist the Head of Finance in building a scalable, efficient, and successful finance function and team Responsibilities: Bookkeeping: Maintain accurate and up-to-date financial records by recording transactions in journals, ledgers, and accounting software. Accounts Payable: Process invoices from suppliers, verify expenses, and prepare payments in a timely manner. Accounts Receivable: Issue invoices to customers, track receivables, and follow up on overdue payments. Bank Reconciliation: Reconcile bank statements with general ledger accounts to ensure accuracy and identify discrepancies. Assisting with Month-End Close: Prepare journal entries, accruals, and prepayments to facilitate the month-end closing process. Financial Reporting: Assist in the preparation of financial statements, including profit and loss statements, balance sheets, and cash flow statements. VAT Returns: Calculate and submit Value Added Tax (VAT) returns to HM Revenue & Customs (HMRC) in compliance with regulations. Expense Management: Review employee expense reports, ensure compliance with company policies, and process reimbursements. Assisting with Audits: Provide support during internal and external audits by preparing audit schedules, gathering documentation, and addressing auditor inquiries. Ad Hoc Financial Analysis: Assist senior accountants or management with ad hoc financial analysis, budgeting, and forecasting tasks as required. Compliance: Stay updated on changes in accounting regulations and ensure compliance with UK Generally Accepted Accounting Principles (UK GAAP) or International Financial Reporting Standards (IFRS). Communication: Collaborate with colleagues in finance, as well as other departments, to address accounting-related queries and provide financial information as needed. Process Improvement: Identify opportunities to streamline accounting processes, enhance efficiency, and strengthen internal controls. Software Proficiency: Utilize accounting software (e.g., QuickBooks, Xero) and Microsoft Excel proficiently to perform tasks efficiently and accurately. Professional Development: Pursue continuous learning and development opportunities to enhance accounting knowledge and skills. Skills: Bachelor’s degree in finance or any related field with 2 years of post qualification experience Big 4 Background or equivalent Knowledge of UK tax law and HMRC Knowledge of IFRS Strong numerical skills to help drive Nethermind's financial operations and improve financial performance Ability to collaborate with all levels of management to organize, plan and achieve Nethermind’s financial goals Proficiency in financial management software (including Xero and MS Excel) Would be beneficial if you had: Experience in blockchain (especially Ethereum) or crypto industry Experience in Fintech Previous experience with in-house accounting in a start-up environment Fully remote setting work experience Knowledge of US GAAP    Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: [email protected] Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

About UsBabylon Labs’ mission is to bring Bitcoin’s unparalleled security to the decentralised world via a new public Cosmos-SDK PoS blockchain (Babylon chain) and a suite of inter-chain protocols.At Babylon, we are at the forefront of web3 innovation by developing elegant and complex blockchain systems. As a Senior DevOps Engineer, you will spearhead the complete lifecycle of Babylon PoS networks and performant dApps.About the JobWe're seeking a highly motivated and security-conscious IT Administrator to build and maintain our robust IT infrastructure in a fast-paced, dynamic blockchain environment with a globally distributed workforce. You will be instrumental in establishing a "security-first" IT security posture by implementing best practices across all aspects of our IT operations. This role demands a proactive and adaptable individual with a strong understanding of modern security principles, including zero-trust architecture. You will be responsible for managing device distribution, MDM, Google Workspace, SSO, cloud environments, and GitHub access, ensuring seamless and secure operations for our geographically dispersed team.Responsibilities:Security Infrastructure Development:Design, implement, and maintain a secure IT infrastructure, adhering to Zero Trust principlesDevelop and enforce security policies and procedures for all IT systems and devices, taking into account diverse regional regulations and network conditions.Conduct regular security audits and vulnerability assessments, with a focus on remote access and endpoint security.Device Management & MDM (Worldwide Deployment):Manage device procurement, distribution, and lifecycle for a geographically diverse teamImplement and manage a Mobile Device Management (MDM) solution to ensure device security and compliance.Cloud & SaaS Administration:Administer Google Workspace, SSO solutions, SaaS application and cloud infrastructure (e.g., AWS, GCP, Azure), ensuring secure access and configurationAccess Control & Identity Management:Manage user accounts, permissions, and access control across all systems with the application of principles such as least privilege and separation of duty Implement and maintain Single Sign-On (SSO) and multi-factor authentication (MFA)Implement zero trust secure access from any location.Security Tooling & Integration:Evaluate, select, and onboard security solutions (e.g., endpoint protection, SIEM, vulnerability scanners) Integrate security tools with existing systems and workflows, ensuring effective threat detection and response.Automation & Scripting:Develop and maintain scripts and automation tools to streamline IT operations and enhance securityAutomate security tasks, such as patch management, vulnerability scanning or secure configuration enforcementVendor Management:Manage relationships with IT and security vendors and service providersEvaluate vendor security practices and ensure compliance with company policies Incident Response:Participate in security incident response and investigations, coordinating with remote team members and external partners.User Support & Training:Provide technical support to employees across multiple time zones and locations.Conduct IT security awareness training for employees, tailored to the specific risks and challenges of a distributed workforce.Requirements:Proven experience as an IT Administrator, ideally in a startup environment with a globally distributed workforce.Strong understanding of threat models in blockchain environmentProactive application of security principles, including Zero Trust architecture, and their application in a remote work context.Experience with MDM solutions, Google Workspace, SSO, and cloud SaaS, with a focus on global accessibility and security.Proficiency in scripting languages (e.g., Python, Bash).Experience with security tools and technologies suitable for remote management.Excellent problem-solving and troubleshooting skills, with the ability to adapt to diverse technical environments.Strong communication and interpersonal skills, with the ability to collaborate effectively with a geographically dispersed team.Ability to work independently and as part of a team, managing priorities and deadlinesExperience in international hardware shippingExperience securing GitHub access.Experience with blockchain technologiesBonus Points:Relevant security certifications (e.g., CompTIA Security+, CISSP, AWS Certified Security).Experience with blockchain operational security best practices.Experience with containerisation and Kubernetes security.Experience with organization security standards such as ISO 27001, SOC 2Our team is remote first and we are hiring across the world. Here at Babylon Labs, you’ll be joining a world-class team with tremendous growth potential as we bring secured Bitcoin staking to the world. Supported by top venture funds like Paradigm, Polychain Capital, Bullish, Hack VC, Polygon Ventures, Framework Ventures, Castle Island Ventures, OKX Ventures, among other investment firms and strategic partners. Come join us and build the future of trustless Bitcoin staking!

Rivalz NetworkRivalz Network’s infrastructure abstracts the complexities of connecting AI services and agents to various real-world resources. By orchestrating resource-backed agents, providing a decentralized data layer for secure processing and retrieval, enabling verifiable requests through an AI oracle, mapping both identity and resources seamlessly, and offering an AI x Web3 platform for fast application publishing and monetization, Rivalz empowers teams to bridge digital and physical ecosystems. Our ultimate goal is to unlock the full potential of an agent-centric future, enabling developers and no-code builders alike to harness AI-driven solutions with ease.Working at RivalzWe embrace a flexible, globally distributed environment that allows our team members to work from where they’re most comfortable—whether that’s at home or on the move. We leverage virtual collaboration and remote-friendly policies, enabling you to balance your personal life, family commitments, and professional goals. Wherever you are, you’ll be an integral part of our team which is shaping the future of AI, blockchain, and decentralized infrastructures. Join Rivalz’s forward-thinking AI Research team to push machine learning and agent-centric design, delivering impactful AI-Web3 solutions that empower innovators worldwide.About the Role: AI Researcher (Mid-Level)As a Mid-Level AI Researcher at Rivalz, you will play a key role in advancing our AI capabilities for seamless integration with real-world resources. You’ll spearhead novel research initiatives, publish findings, and architect solutions that drive our decentralized, agent-centric vision. If you’re eager to explore cutting-edge machine learning, deep learning, and blockchain, while seeing your work rapidly deployed in production, this is the perfect opportunity for you. Key ResponsibilitiesInnovate & Research: Conduct advanced AI research in ML and DL to address complex challenges.Design & Prototype: Architect and evaluate novel AI models for decentralized infrastructures.Collaboration & Deployment: Work with cross-functional teams to develop production-ready AI solutions.Open-Source & Community: Maintain a strong GitHub presence and engage with the broader AI/Web3 community.Thought Leadership: Stay current with emerging AI trends to continually refine Rivalz’s infrastructure.Real-World Integration: Expand AI’s reach into both digital and physical ecosystems for seamless interoperability.QualificationsEducational Background: Bachelor’s in Computer Science or related field (Master’s/PhD preferred).Technical Expertise: Proficiency in Python, ML frameworks, and experience with LLMs/generative AI.Blockchain Familiarity: Exposure to decentralized systems and their intersection with AI is a bonus.Research & Publication: Track record in AI research, open-source contributions, or academic publications.Collaboration & Communication: Strong interpersonal skills for distributed team coordination.Adaptability & Problem-Solving: Ability to navigate evolving technologies with iterative, data-driven approaches.Join us at Rivalz and be part of a pioneering team that’s redefining how AI agents interact with the world. Contribute your expertise, collaborate across disciplines, and help shape the agent-centric future.How to Apply:Submit your cover letter and resume at [email protected]

CAIZ Revolutionizing Islamic Finance with Blockchain Technology Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology? Look no further than CAIZ – THE FIRST ISLAMIC ECOSYSTEM BUILT ON BLOCKCHAIN. At CAIZ, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior. Our native coin, CAIZcoin, that fuels the CAIZblockchain. With CAIZcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative CAIZapp, giving users complete control over their digital assets. We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure. WHY TO JOIN CAIZ? Innovative & Purpose-Driven: At CAIZ, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance. Ethical Impact: As part of CAIZ, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect. Growth & Learning Opportunities: At CAIZ, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions. Global Vision, Local Impact: CAIZ is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape. Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future. Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of CAIZ, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space. Tasks We’re looking for a visual storyteller who can turn complex blockchain, fintech, and ethical finance concepts into clear, engaging, and impactful visuals. This is not a meme-heavy role. But we do need someone who understands Web3 and can simplify intricate ideas while crafting designs that cut through clutter and resonate across different languages and cultures. We want someone who is proactive in research, brings fresh ideas to the table, and isn’t afraid to challenge the status quo through design. Responsibilities: Who We Need: We’re looking for a visual storyteller who can turn complex blockchain, fintech, and ethical finance concepts into clear, engaging, and impactful visuals. This is not a meme-heavy role. But we do need someone who understands Web3 and can simplify intricate ideas while crafting designs that cut through clutter and resonate across different languages and cultures. We want someone who is proactive in research, brings fresh ideas to the table, and isn’t afraid to challenge the status quo through design. What You’ll Do: Design with Purpose – Create infographics, motion graphics, and digital assets that simplify blockchain and fintech concepts. Data Storytelling – Translate complex financial and blockchain data into digestible, visually compelling designs. Brand Identity – Ensure designs align with Caiz’s mission of ethical, Fiqh-compliant blockchain finance. Cross-Cultural Appeal – Develop visuals that speak to a global audience, cutting through language barriers. Research & Innovation – Stay ahead of design trends, explore new creative formats, and bring fresh perspectives to the team. Requirements Experience: A visual communicator – You can distill complex topics into clean, intuitive, and engaging graphics. Proactive & Idea-Driven – You don’t just execute; you research, present, and push creative boundaries. Blockchain & Fintech Aware – You understand or have a strong interest in crypto, fintech, and finance. Detail-Oriented & Adaptive – You can work within brand guidelines while still pushing for innovation. Skilled in Design Tools – Proficiency in Figma, Illustrator, Photoshop (motion design skills in After Effects or Lottie are a plus). Bonus Points if You: Have experience designing for financial, fintech, or blockchain brands. Can craft visuals that work across different languages and cultures. Are passionate about ethical finance and compliance-based branding. Level of studies: Bachelor or Master Degree in Design or similar Language Requirements: Fluent in English Benefits BENEFITS AT CAIZ : Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication. Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad. Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance. Relocation Assistance: We provide relocation support for employees moving to new locations. Professional Development: Opportunities for training, certifications, and career growth. Employee Recognition: Programs to celebrate and reward your achievements and contributions. Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters. Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees. Don't miss this opportunity – apply now and be part of the CAIZ revolution.About the companyCAIZ is THE FIRST ISLAMIC ECOSYSTEM BUILD ON BLOCKCHAIN: The mission is to create a Fiqh compliant financial ecosystem that provides our community fair and easy access to ethical financial products and services that give them the tools to build a strong financial future and engage in long term economically beneficial behaviour. CAIZcoin is the native coin that can be used on the CAIZblockchain to make payments, store value and to interact with the ethical financial products that will be built. The CAIZapp serves as the centerpiece of the extensive CAIZecosystem. With the App, you can maintain complete control over your digital assets and access all the features of the ecosystem.

Our Founder Success Team is dedicated to helping AI x Web3 developers and entrepreneurs succeed in building transformative applications on NEAR. We believe that an exceptional developer and founder experience is the foundation of mainstream adoption. Working closely with product, engineering, marketing, and community teams, we provide the tools, resources, and support that enable AI-driven and Web3-native projects to scale from idea to venture-backed startups. Role Overview As an Ecosystem Solution Architect (AI x Web3), you will be a trusted technical mentor for developers building on NEAR, guiding them from hackathons to fully scaled AI applications. You will work directly with founders, developers, and teams, helping them architect, optimize, and integrate AI and blockchain technologies into real-world use cases. Your role goes beyond troubleshooting—you will be advising on AI-agent infrastructure, smart contract architecture, and scaling AI x Web3 applications in the NEAR ecosystem. This role requires deep blockchain and AI technical expertise, strong communication skills, and experience in developer enablement, startup incubation, or technical consulting. Key Responsibilities Developer Technical Guidance & AI x Web3 Integration Be a technical mentor for developers—helping them navigate NEAR’s AI and Web3 tooling, best practices, and smart contract design. Provide hands-on architectural guidance to founders, ensuring they can seamlessly integrate AI models, decentralized storage, and smart contracts. Support incubators, accelerators, and hackathons by leading technical deep dives, AI x Web3 integration sessions, and code reviews. Advise teams on optimizing and fine-tuning generative AI models for blockchain applications AI & Blockchain Technical Enablement Design & lead technical workshops, hackathons, and deep-dive sessions to educate developers on AI x Web3 best practices. Contribute to technical documentation, SDKs, and learning resources to enhance the AI developer experience on NEAR. Develop startup-specific technical content, including blog posts, sample code, and reference solutions, to assist founders in solving technical challenges and accelerating time-to-market. Collaborate with DevRel, engineering, and product teams to address pain points, improve developer tools, and optimize AI x Web3 integrations. Develop reference architectures and playbooks to streamline AI agent deployment on NEAR. Ecosystem Growth & Developer Success Track developer progression from hackathon participants to long-term ecosystem contributors and funded startups. Build structured support programs for high-potential AI x Web3 teams, ensuring they gain access to funding, ecosystem grants, and technical mentorship. Identify repeatable success patterns from top-performing projects and use insights to refine NEAR’s AI adoption strategy. Work closely with the Founder Success team to ensure AI builders receive the necessary technical and business support. Operational & CRM Support Maintain and analyze developer engagement data, ensuring technical support scales effectively. Track developer progression & conversion rates to optimize technical engagement strategies. Provide structured feedback to product & engineering teams to continuously improve NEAR’s AI & Web3 developer experience. Who You Are 5+ years of experience in AI, blockchain, cloud computing, or developer solutions architecture, with hands-on work in AI model deployment and Web3 integrations. Expertise in smart contracts, LLM-based AI applications, decentralized storage, and blockchain infrastructure. Experience with AI model fine-tuning, optimization, and deployment using frameworks like TensorFlow, PyTorch, JAX, Hugging Face Transformers, or similar AI-native tooling. Proficiency in Rust, TypeScript, Solidity, or similar languages relevant to Web3 and AI integration. Hands-on experience with blockchain protocols (NEAR, Ethereum, Solana, or other L1s/L2s). Prior involvement in startup incubation, accelerator programs, or venture-backed tech projects. Strong technical mentorship & communication skills—you can explain complex AI x Web3 concepts to developers at different levels. Strong public speaking, mentorship, and community-building experience. We value ECOSYSTEM-FIRST: always put the health and success of the ecosystem above any individual's interest OPENNESS: operate transparently and consistently share knowledge to build open communities PRAGMATISM OVER PERFECTION: find the right solution not the ideal solution and beat dogmatism by openly considering all ideas MAKE IT FEEL SIMPLE: strive to make the complex feel simple so the technology is accessible to all GROW CONSTANTLY: learn, improve and fail productively so the project and community are always becoming more effective NEAR is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. NEAR is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, please let your recruiter know during the interview process. 

𝚝𝟷 is a rollup that introduces real-time proofs to unify Ethereum and the rollup ecosystem. Our mission at 𝚝𝟷 is to ensure Ethereum is not only the most decentralized blockchain ecosystem but also the blockchain with the best user and developer experience. We believe that the composability fragmentation introduced by rollups’ siloed execution is currently a major obstacle to that end. Therefore, we are building 𝚝𝟷, a TEE-enabled rollup that introduces real-time proofs, RTP. This allows for instant settlement on Ethereum and therefore enables its unification with the broader rollup ecosystem.What You'll Be DoingCI and CD for E2E Blockchain Components: Accelerate our core engineering team by developing CI and CD pipelines using platforms like GitHub Actions, for: smart contract deployments and upgrades (L1, L2), 𝚝𝟷 rollup node upgrades, Partner Rollups’ sequencer follower node TEE integrations, TEE prover infrastructure, 𝚝𝟷 AVS co-node upgrades, third-party ZK prover integration infrastructure, and automatic end-to-end testingMonitoring & Observability: Implement comprehensive logging, monitoring, and alerting systems using Prometheus, Grafana, and the ELK stack to ensure system health and performance.​Incident Response & Disaster Recovery: Develop and maintain runbooks, on-call systems, automated failover strategies, and disaster recovery plans to minimize downtimeMaintenance: Manage said components across cloud and bare-metal deployments; currently, we’re mostly using GCP Compute Engine VMs.​Infrastructure Automation: Design, implement, and maintain robust infrastructure-as-code (IaC) for rollup nodes, RPC endpoints, and validator services using tools like Terraform and Ansible.​Security & Key Management: Enforce best practices for key management, validator security, and RPC protection with tools like HashiCorp Vault.​Scalability & Performance Optimization: Optimize rollup infrastructure for latency, throughput, and fault tolerance, ensuring seamless coordination between Ethereum Layer 1 and 𝚝𝟷 Rollup Layer 2, no matter which geography the user is in etc.Cross-Team Collaboration: Work closely with smart contract engineers, blockchain researchers, and network security teams to enhance our infrastructure.​Must-HavesCI/CD & GitOps: Experience with GitHub Actions or similar tools to automate deployments and upgrades.Containerization & Orchestration: Solid knowledge of Docker and Kubernetes for deploying and managing containerized applications.​Monitoring & Site Reliability Engineering: Proficiency with monitoring, on-call and observability tools to maintain system performance.​Infrastructure as Code (IaC) & Automation: Proficiency with Terraform, Ansible, or similar tools for reproducible infrastructure management.​Cloud & Bare-Metal Deployments: Strong experience with AWS, GCP, Azure, or similar platforms for scalable blockchain infrastructure.​Execution Client Proficiency: Experience with at least running production (mainnet) Ethereum execution clients such as Reth, Geth, or Nethermind.Ethereum Ecosystem Experience: Hands-on experience with Ethereum L1 and EVM rollup/L2 technologies and a deep understanding of its ecosystem, including the Foundry toolkit for smart contract deployment and verification automation.Networking & RPC Optimization: Expertise in load balancing, rate limiting, and firewall security for RPC endpoints and validators.​Security & Key Management: Strong understanding of validator security and key management systems.​This is a remote role, but we only accept candidates from time zones between Eastern Time (ET) and Central European Time (CET).Nice-to-HaveExperience with Trusted Execution Environments (TEEs): Understanding of technologies like TDX, SGX or Nitro Enclaves used in rollup provers.Rust & Golang Development: Ability to debug and contribute to Rust-based prover infrastructure or Golang-based Ethereum clients.​Protocol Engineering Exposure: Experience working with optimistic rollups, ZK rollups, or cross-chain bridges.​Open Source Contributions: Contributions to Ethereum infrastructure, rollups, or core protocol development.​

Join Tether and Shape the Future of Digital FinanceAt Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.Innovate with TetherTether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.But that’s just the beginning:Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways. Why Join Us?Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.Are you ready to be part of the future? About the job As a Senior Backend Developer, you will be a part of the team that works on the development of Tether backend components. New Products and Features - Tether continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry. Scalability - all backend services that power Tether must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. Security - Security is the most important feature. The Backend Development team is responsible for building all the services and core processes with the highest security principles and standard, in order to protect the safety of the entire user base.Job requirements+6 years of experience working with Nodejs/JavaScript.Familiar with microservices architectureHave actively participated in the development of a complex platformFamiliar with Peer-to-Peer technologiesGood experience in interacting with databases (MySQL, MongoDB)Ability to quickly learn new technologiesGood understanding of security practices Nice to have Experience with blockchain integrationComfortable with high-availability conceptsRuby, Rust or C++ skills are a plusOther technologies of interest: Message queues (Redis), Caches and Job Queues

Mantle is building the largest sustainable hub for on-chain finance. Through its core products — Mantle Network, mETH Protocol, and FBTC — Mantle is building banking for the next generation by leveraging the transformative power of blockchain. Anchored by the Mantle Treasury, the largest community-owned treasury in the ecosystem, Mantle ensures robust liquidity and financial stability. With over $4.3 billion in assets, it actively funds core product development and fosters the growth of asset partners, such as Agora AUSD, Ethena USDe, Ondo USDY, and EigenLayer restaking, enhancing sustainable yield, deep liquidity, and financial utility on the Mantle Network. Mantle Network is an Ethereum Layer 2 — the foundation for our diverse range of products and applications — known for its modular design and as the first adopter of EigenLayer and EigenDA. Mantle Network aims to be the "Liquidity Chain" to drive capital efficiency in the on-chain economy through modular architecture, data availability solutions, and zero-knowledge proofs.   We are looking for a Senior DeFi Specialist to lead and execute DeFi strategies within the Mantle Network ecosystem. This role involves spearheading DeFi partnerships, liquidity mining initiatives, protocol integrations, and yield optimization strategies to drive adoption and sustainable growth for Mantle’s ecosystem. As a key member of the team, you will work closely with partners, developers, traders, and liquidity providers to optimize DeFi opportunities across Mantle’s infrastructure, ensuring a strong presence in the on-chain finance landscape.   Key Responsibilities Source, pitch, nurture and close deals with top-tier DeFi protocols, developers and builders with a goal toward building collaboration and composability within the wider Mantle ecosystem. Design and implement DeFi growth strategies that maximize protocol adoption, TVL, and liquidity across Mantle. Optimize yield farming, staking, lending, and other liquidity incentive programs. Establish and maintain strategic partnerships with institutional players, including asset issuers, asset managers, tokenization platforms,. Drive cross-chain integrations with other L1s/L2s, bridges, and liquidity pools. Collaborate with wallet providers, aggregators, and market makers to enhance accessibility and liquidity flow. Work with institutional market makers and liquidity providers to optimize order book depth and trading activity. Analyze on-chain liquidity metrics to refine strategies for capital efficiency. Collaborate with the product team to define and prioritize product features and requirements in accordance to LP needs, ensuring they align with the overall product vision and strategy. Conduct deep research on DeFi trends, protocols, and new financial models to keep Mantle at the forefront of innovation. Collaborate cross-functionally with the product team to identify and develop features that will enhance Mantle's position as a DeFi market leader. Proactively propose new financial primitives internally and externally that enhance Mantle’s value proposition in DeFi. Publish insights, analysis, and strategic recommendations for internal and external stakeholders. Represent Mantle at DeFi-focused conferences, hackathons, and community events. Requirements Bachelor’s or Master’s degree in Finance, Business, Computer Science, or a related field (or equivalent professional experience) 3–5 years of proven track record in DeFi, crypto, or blockchain-related roles Hands-on experience with liquidity mining, yield farming, or DeFi protocol integrations Familiarity with Ethereum Layer 2 solutions and cross-chain bridging mechanisms Strong understanding of DeFi protocols, tokenomics, and smart contract security Ability to analyze on-chain data and market trends to inform strategic decisions Demonstrated success in building and maintaining strategic relationships with DeFi projects, developers, and institutional partners Excellent verbal and written communication skills, able to convey technical concepts to diverse audiences Strong leadership and collaboration abilities, with experience guiding cross-functional teams

Echo Base is a private holding company pursuing special situation control investments in the digital assets space. Its global crypto team possesses deep experience in both the scaling of new ventures and the restructuring of complex assets. Echo Base seeks to leverage operational and technical synergies across its portfolio companies to drive innovation.About The RoleEcho Base is seeking General Counsel to lead our legal team. Reporting directly to the Chief Executive Officer, you will be Echo Base's principal in-house legal advisor for all corporate matters including but not limited to governance, regulatory, strategic, transactional, litigation, labor, data, general commercial. We are seeking a highly qualified, experienced generalist attorney with a mix of in-house and advisory experience ideally from the crypto space.Key Responsibilities: Provides expert legal advice to the CEO, executive team, and board of directors on various legal issues affecting the company’s operations, transactions, and business decisions. Lead legal documentation and legal operations, instituting scalable processes for reviewing existing and new products, services, and procedures while documenting all legal proceedings. Advise and collaborate with various teams (Product, Engineering, Business, Compliance & Risk, and HR) on diverse range of issues. Stay abreast of U.S. and international laws on crypto regulation, money transmission, financial services, privacy, data security, and consumer protections.  Lead the company's legal disputes, litigation, and claims and collaborate with external counsel only when necessary and work to resolve legal matters efficiently. Lead corporate governance requirements and organize board and board committee meeting agendas and materials. Review, negotiate, and draft various contracts, M&A documentation, agreements, and legal documents related to the company’s operations, partnerships, and transactions. Conduct legal research and analysis to assess the impact of new regulations and industry developments and keep management apprised for business planning. Candidate Requirements: Have bachelors and masters degree(s) in Law or a Juris Doctor degree.  At least 12+ years of work experience preferably with prior in-house work experience in blockchain, cryptocurrency and virtual asset industry.  Strong work ethic and multi-tasking ability with aptitude in problem-solving. Excellent drafting, communication and negotiation skills and willingness to work under tight deadlines and pressure. Highly motivated and able to function successfully in a remote though highly collaborative setting.  About the companyEcho Base is a private holding company formed for the purpose of pursuing special situation control investments in the digital assets space. Our global crypto team possesses deep experience in both the scaling of new ventures and the restructuring of complex assets with asymmetric risk profiles. Through lateral acquisitions, Echo Base seeks to leverage operational and technical synergies across our portfolio companies.