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 ❯
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 ❯
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 ❯
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 ❯
