1inch - Software Engineer, all levels (Blockchain)
RemoteMidEMEACryptocurrencySoftwareSoftware EngineerEntry LevelRustSolidityTypeScriptPerformance ReviewsEVM
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Requirements
- 4+ years of software development experience, with at least 2+ years in blockchain engineering
- Deep understanding of blockchain ecosystems, smart contracts (Solidity, Yul, EVM), and decentralized applications (dApps).
- Hands-on experience with Ethereum, Layer 2 solutions (Optimistic & ZK Rollups), and cross-chain protocols (atomic swaps, bridges, etc.).
- Proven track record in technical leadership, architectural decision-making, and mentoring development teams (Senior Level and above only)
- Strong background in blockchain security and experience with smart contract audits.
- Proficiency in Solidity, Yul, Rust, TypeScript.
- Experience with smart contract development and deployment frameworks (Foundry, Hardhat).
- Understanding of DeFi protocols, AMMs, liquidity pools, and oracle integrations.
- Expertise in blockchain security principles and smart contract auditing methodologies.
- Experience in building high-performance distributed systems.
- Why you'll love working with us
- We’re open to new ideas — if you’ve got a vision, pitch it and make it happen
- Enjoy competitive pay that matches your skills and experience
- Be part of a company that’s shaping the future of DeFi
- Take time when you need it — we offer unlimited vacation days
- Get fully compensated for your work gear — we’ll set you up for success
Responsibilities
- Designing and optimising blockchain product architecture, with a focus on scalability, security, and performance.
- Leading the development, auditing, and integration of smart contracts within decentralised protocols.
- Conducting technical research and proof-of-concept (PoC) experiments, while implementing best practices in blockchain development.
- Developing and improving cross-chain interoperability solutions, such as cross-chain swaps and bridges.
- Designing and developing efficient algorithms, with a focus on gas optimisation.
- Defining and implementing effective CI/CD processes for blockchain development.
- Analysing and addressing potential attack vectors and ensuring security best practices.
- Continuously monitoring emerging blockchain, Web3, and crypto technologies.
- Performing rigorous code reviews, mentoring developers, and enforcing best practices in blockchain engineering.
- Collaborating with auditors and cross-functional teams to ensure successful product launches.
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