Labs Moonsong Labs is a growing Web3 protocol and AI engineering services and venture studio business. We have expertise in developing software to support blockchain and AI implementations. Our venture studio incubates new businesses that are building decentralized developer infrastructure and AI protocols. Examples of our work include the … project Moonbeam, a blockchain that implements an Ethereum compatible environment and natively supports cross chain use cases, and Kluster AI ( ), a decentralized large AI model inference and fine tuning platform. Other customers include ZKSync and Starkware. The Protocol & Innovation Team We are looking for a Principal BlockchainEngineer who will help develop core blockchain node software, blockchain infrastructure/tooling, and other low-level software for various blockchain networks including for the Moonbeam Network ( ), zkSync, Starkware, and Polkadot. Problem domains include cryptography, security, networking, game theory, zero knowledge, finance, political science, and programming language More ❯
Junior BlockchainEngineer - Remote Work Opportunity Our client, an innovative technology company dedicated to advancing OpenSource AI within the decentralized ecosystem, is offering an exciting role for a Junior Blockchain Engineer. Renowned for their impactful contributions to the blockchain industry, they embrace a culture of continuous … their passion for nurturing talent through hands-on experience and mentorship. Benefits: Enjoy the flexibility of remote work while contributing to groundbreaking AI and blockchain advancements. Collaborate with a dynamic team driving technological innovation in a fast-paced environment. Participate in quarterly hackathon days in Manchester, fostering creativity and … team spirit. Role Responsibilities: Assist in the development of tools for blockchain data accessibility, supporting the company's mission of pushing technological boundaries. Collaborate on projects related to vulnerability identification within blockchain frameworks. Engage in research and application of new technologies to help maintain the company's competitive More ❯
Junior BlockchainEngineer - Remote Work Opportunity Our client, an innovative technology company dedicated to advancing OpenSource AI within the decentralized ecosystem, is offering an exciting role for a Junior Blockchain Engineer. Renowned for their impactful contributions to the blockchain industry, they embrace a culture of continuous … their passion for nurturing talent through hands-on experience and mentorship. Benefits: Enjoy the flexibility of remote work while contributing to groundbreaking AI and blockchain advancements. Collaborate with a dynamic team driving technological innovation in a fast-paced environment. Participate in quarterly hackathon days in Manchester, fostering creativity and … team spirit. Role Responsibilities: Assist in the development of tools for blockchain data accessibility, supporting the company's mission of pushing technological boundaries. Collaborate on projects related to vulnerability identification within blockchain frameworks. Engage in research and application of new technologies to help maintain the company's competitive More ❯
SovTech is now Same company, new name. We are looking for an experienced Senior Engineer with experience in DeFi and Blockchain to join our world-class team. Are you looking to become part of a team that is changing the way businesses across the world build software? Our … world-class businesses with globally distributed teams based in Johannesburg, London, Nairobi and Cape Town. The Role We are looking for an experienced Senior Engineer with experience in DeFi and Blockchain who is able to implement software solutions that are tested, maintainable, reliable, and scalable. They'll be … the belt, whether in production or on testnets. 2+ years of experience working with go-ethereum project or fork of it. Alternatively, any other blockchain client. Good understanding of blockchain related cryptography (public key, BLS signatures, MACs, etc). Autonomy & ability to design complex systems. Passion for growing More ❯
Full-Time | Entry-Level 🌍 Open to candidates from: UK, Brazil, Morocco, and Turkey 🚀 Web3 Builders & Crypto Hackathon Champions Wanted! If you’ve competed in blockchain competitions, hackathons, or university showcases—or if you've been up late coding a passion project just because you had to build it —we … want to hear from you. We’re hiring future blockchain innovators to join our high-performing team developing scalable Web3 systems in one of the world’s top tech hubs. 🔧 What You’ll Be Doing Develop and deploy smart contracts and decentralized applications (dApps) Solve real-world challenges using … blockchain protocols and secure system design Work closely with engineers, cryptographers, and industry-leading Web3 developers Build systems for use in DeFi, NFTs, identity, and decentralized infrastructure Join an elite engineering community focused on innovation, performance, and impact ✅ What We’re Looking For Competed in blockchain competitions , hackathons More ❯
Ensure you read the information regarding this opportunity thoroughly before making an application. Web3 Builders & Crypto Hackathon Champions Wanted! If you’ve competed in blockchain competitions, hackathons, or university showcases—or if you've been up late coding a passion project just because you had to build it—we … want to hear from you. We’re hiring future blockchain innovators to join our high-performing team developing scalable Web3 systems in one of the world’s top tech hubs. What You’ll Be Doing Develop and deploy smart contracts and decentralized applications (dApps) Solve real-world challenges using … blockchain protocols and secure system design Work closely with engineers, cryptographers, and industry-leading Web3 developers Build systems for use in DeFi, NFTs, identity, and decentralized infrastructure Join an elite engineering community focused on innovation, performance, and impact What We’re Looking For Competed in blockchain competitions, hackathons More ❯
Bitcoin Offensive Security Engineer - 100% Remote, Blockchain, DeFi About Halborn Inc Our mission is to provide value-add security services and products to the world's most cutting edge technology firms and that starts with blockchain tech. Founded in 2019, Halborn is an elite cyber security company … cryptocurrency and fintech industries. From breaches and social engineering to stolen private keys and economic hacks, Halborn solves it. Our clientele are the exclusive blockchain companies as well as new startups with high growth trajectories. Our Culture Halborn is a globally distributed team of 100+, looking to grow our … independently on unique or specialized assignments requiring specific knowledge or experience. Comply with Company, Division, and Professional ethical standards. Qualifications A passion for the blockchain industry. 3+ years of experience in application development in Golang and C++ (both are mandatory) (blockchain or smart contract development experience is a More ❯
Solana) Offensive Security Engineer - 100% Remote, Blockchain, DeFi About Halborn Inc Our mission is to provide value-add security services and products to the world's most cutting edge technology firms and that starts with blockchain tech. Founded in 2019, Halborn is an elite cyber security company … cryptocurrency and fintech industries. From breaches and social engineering to stolen private keys and economic hacks, Halborn solves it. Our clientele are the exclusive blockchain companies as well as new startups with high growth trajectories. Our Culture Halborn is a globally distributed team of 100+, looking to grow our … workstation operating systems. Mastery in testing modern web application languages and frameworks. Mastery in testing modern authentication systems and Identity Providers. Proficient knowledge of blockchain and smart contract implementations. Ability to think critically and identify areas of technical and non-technical risk. Ability to write technical reports and communicate More ❯
with data engineers, analysts and key business stakeholders. You'll be responsible for building and owning data models, researching and analysing developments in the blockchain staking industry, and delivering actionable insights to stakeholders across the organisation. The ideal candidate possesses strong SQL proficiency, experience with Python, dbt, and data … modelling, as well as experience or a strong interest in blockchain technology. Twinstake utilises a modern data stack including Airbyte, Airflow, Snowflake, dbt and Quicksight. What you will contribute: Data Modelling : Building scalable data models to transform complex datasets into actionable insights, using advanced SQL skills Blockchain Expertise … Using your knowledge of blockchain technology, particularly staking and rewards, to create metrics and monitor performance Business Intelligence : Developing clear, impactful dashboards with modern analytics tools to meet both technical and business needs Promoting Best Practices : Driving excellence in analytics engineering through code reviews, testing, documentation, and observability Staying More ❯
building the emerging onchain platform and shaping the future global financial system. We seek a candidate passionate about our mission, believing in crypto and blockchain technology to transform finance. You should be eager to make a significant impact, thrive under pressure, and actively seek feedback to improve. We value … with product teams to enable secure user engagement with the onchain world. Responsibilities: Develop onchain security strategies, perform security assessments, and threat modeling of blockchain protocols. Lead proactively, identify top security risks, and develop mitigation strategies. Provide technical guidance in building frameworks, analysis tools, and security products. Establish best … practices and promote adoption across teams. Mentor team members in blockchain security skills and foster a crypto-forward mindset. Help set industry standards for blockchain security technologies. Qualifications: Extensive knowledge of onchain ecosystems, including L1, L2, DeFi, staking, etc. Expertise in identifying vulnerabilities in smart contracts and protocols. More ❯
re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and … can safely and confidently engage with the onchain world. What you'll be doing (ie. job duties): Perform threat modeling and security assessments of blockchain products and services. Propose, plan, and execute Red Team operations based on realistic threats. Write detailed reports covering the goals and outcomes of Red … you (ie. job requirements): Bachelor's or Master's degree in Computer Science, Cyber security, Software Engineering, or a related field. 3+ years of blockchain security experience is required. 3+ years of Red Team experience, with a track record of breaking complex systems using novel techniques. A track record More ❯
