Who you are

• Professional software engineering experience with a strong focus on blockchain development and decentralised systems
• Strong understanding of Ethereum, EVM-based ecosystems, smart contracts, and decentralised application architecture
• Hands-on experience developing with Solidity, Yul, Rust, and TypeScript
• Experience working with Layer 2 scaling solutions, cross-chain infrastructure, or blockchain interoperability protocols
• Strong understanding of smart contract security principles, testing methodologies, and vulnerability mitigation
• Experience using modern blockchain development frameworks such as Foundry or Hardhat
• Interest in or understanding of DeFi concepts including AMMs, liquidity pools, routing, or oracle integrations
• Strong problem-solving skills and ability to work effectively in fast-paced engineering environments

Nice to haves

• Experience contributing to open-source blockchain or Web3 projects
• Familiarity with zero-knowledge technologies or rollup architectures
• Experience building distributed systems or low-latency infrastructure
• Understanding of blockchain infrastructure automation and deployment tooling
• Experience working in high-growth startup or scale-up environments

What we can offer

• Work alongside a globally distributed and highly collaborative team that has helped shape the history of DeFi and Web3 innovation
• Join a fast-paced environment where ownership, initiative, and fresh ideas are encouraged and supported
• Competitive compensation package, including a discretionary bonus scheme aligned with your impact and contribution
• Full equipment support for your remote workspace setup, plus a dedicated learning and development budget
• Flexible remote-first culture with an unlimited paid time off policy to support work-life balance

1inch is an equal opportunity employer. We are committed to evaluating all candidates on the basis of their skills, experience, and potential — regardless of race, ethnicity, nationality, gender, age, religion, disability, or any other characteristic. We believe diverse teams build better products, and we welcome applications from all backgrounds.