Senior Software Engineer (Blockchain)

职位要求 / 描述

1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond.   So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team.   Location: We prioritise candidates who are based in Dubai then consider those working remotely in one of our European Hub Locations (UK, Spain or Germany).   We are seeking a Senior Blockchain Engineerwith a high-agency, "Get Stuff Done" mindset and an unrelenting passion for decentralised innovation. As a core contributor to our engineering ecosystem, you will design, develop, and optimise the smart contracts and underlying blockchain infrastructure powering 1inch. This role requires a sophisticated problem-solver who can navigate the lightning-fast shifts of the crypto landscape while executing securely at scale. Working directly alongside our CPO, product leads, and world-class engineers, your commitment to open-source excellence will keep 1inch at the absolute cutting edge of DeFi. Key responsibilities： • Architecture & Scalability: Design and optimise robust blockchain product architecture, keeping scalability, security, and peak performance at the absolute forefront. • Smart Contract Lifecycle: Lead the end-to-end development, integration, and internal auditing of high-value smart contracts across decentralised protocols. • R&D and PoCs: Conduct advanced technical research and execute proof-of-concept (PoC) experiments to pioneer new features within the DeFi space. • Cross-Chain Innovation: Design and evolve cross-chain interoperability solutions, including atomic swaps and advanced bridging infrastructure. • Gas Optimisation: Deep-dive into execution efficiency, designing algorithms with an extreme focus on gas preservation and low-latency performance. • Security & Audit Collaboration: Systematically analyse attack vectors, enforce ironclad security protocols, and collaborate directly with tier-one external auditors for flawless product launches. • Engineering Excellence: Champion rigorous code reviews, build effective CI/CD pipelines for Web3, and mentor junior/mid-level developers to scale our technical capabilities. Requirements： • Proven Footprint: 7+ years of professional software development experience, with a minimum of 3+ years dedicated purely to production-grade blockchain engineering. • EVM Mastery: Deep, native understanding of the Ethereum ecosystem, smart contracts (Solidity, Yul), and the mechanics of decentralized applications (dApps). • Scaling & Infrastructure: Hands-on experience deploying to Layer 2 solutions (Optimistic & ZK Rollups) and manipulating cross-chain architecture. • Technical Leadership: A proven track record of owning architectural decisions from inception to deployment, guiding development teams through complex technical delivery. • Security Focus: Deep expertise in smart contract security principles, vulnerability mitigation, and the auditing process. Why join 1inch?： • Pioneering Spirit: Work with a globally distributed, highly collaborative team that shaped the history of DeFi; from winning hackathons to launching one of crypto's most legendary retroactive governance token airdrops. • Impact & Autonomy: Join a fast-paced, supportive environment where fresh ideas are valued. If you have a vision, you will have the space and autonomy to pitch it and make it happen. • Competitive Compensation: Enjoy a competitive salary that matches your expertise, paired with a discretionary bonus scheme to reward your impact. • Flawless Hardware & Development: We set you up for success by fully providing equipment for your remote workspace, alongside a dedicated le

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