M0 Labs - Senior Solana Engineer

M0 is the shared infrastructure where businesses launch their own branded stablecoins and financial institutions power them. Built on a common standard, every stablecoin on M0 is interoperable and liquid from day one - giving businesses programmable control over how money moves in their ecosystems, and giving financial institutions the most advanced issuance stack in the industry. M0 is seeking a Solana Smart Contract Engineer who will play a fundamental role in shaping the future of our organization. As a Solana Smart Contract Engineer, you will architect and develop Solana programs in Rust and extend M0’s existing issuance infrastructure with a focus on Token-2022. The ideal candidate is self-driven with strong ownership instincts and a bias for action, brings a computer science background or deep-rooted passion for tackling hard technical problems, and has substantial expertise across Web3 applications and infrastructure. You thrive on deadlines, communicate clearly across functions, and do your best work in a fast-paced environment. Key Responsibilities Architect and develop Solana programs in Rust, using Anchor and/or native frameworks. Maintain and extend M0’s existing issuance infrastructure, with a focus on Token-2022 extensions. Optimize programs for compute unit usage, account size, and transaction packing. Participate actively in code and design reviews. Prepare codebases for third-party audits, including writing comprehensive tests, invariants, and fuzz harnesses. Compensation: Competitive compensation (base salary with equity/ token grant) commensurate with experience. Benefits: Global team and flexibility: Join a truly global team with the flexibility to work remotely or from one of our hubs in NYC or Berlin. Health and wellness: Enjoy comprehensive healthcare insurance coverage as well as a wellbeing allowance and gym membership to support your physical and mental health. Customizable IT setup: Tailor your workspace with access to top-notch IT equipment. Professional development: Benefit from an annual development budget to enhance your skills and grow professionally, including opportunities to participate in conferences and on-site company events worldwide. 5+ years of software engineering experience. 2+ years writing production code in Rust. Proven track record of deploying and maintaining complex Solana programs in production. Solana-native: deep working knowledge of the account model, rent, transaction limits, versioned transactions, address lookup tables, etc. Strong familiarity with the SPL Token program, Token-2022, and Associated Token Accounts. Hands-on experience with the broader Solana DeFi ecosystem. Experience with cross-chain messaging and bridging protocols — Wormhole NTT, LayerZero, Hyperlane, or Chainlink CCIP. Basic familiarity with Solidity and EVM development, sufficient to reason about cross-chain message flows and equivalent contract behavior on both sides. Nice to Have Previous experience at a high-growth DeFi protocol, ideally one handling stablecoin issuance, lending, or RWAs. Experience with Solana security tooling and auditing workflows. Contributions to open-source Solana programs, SDKs, or developer tooling. A degree in computer science or a related field. Skills & Attributes Proactive problem solver: You have a forward-thinking mindset, actively identifies opportunities for improvement, and takes decisive action to resolve issues efficiently and effectively. Collaborative communicator: You foster relationships with finance experts, blockchain specialists, back-end developers and designers. Team-oriented mindset: You are always ready to help colleagues within and outside your team and seek assistance when needed Delivery-focused: You have a clear understanding of the objectives and goals and direct your efforts towards achieving them. You focus on the end result and are not distracted by distractions.