Talent Pool - Software Engineer, Blockchain (Smart Contracts)

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.Your missionThis is not an active vacancy. Instead, we're building a network of exceptional Blockchain Engineers (Smart Contracts) who have successfully completed our interview process and are ready to join 1inch when new positions become available.Our engineering needs evolve rapidly, and we're always looking to connect with exceptional smart contract developers who want to help shape the future of DeFi. We look for engineers with a high-agency, "Get Stuff Done" mindset and an unrelenting passion for decentralised innovation.We also embrace AI as a force multiplier for engineering, and value developers who thoughtfully leverage AI-powered tools to accelerate development, improve code quality, and solve complex technical challenges.Successful candidates who pass the interview process will join our Pre-Qualified Talent Network. This means that when a suitable position becomes available, you'll be among the first people we consider, allowing us to move quickly through the final hiring stages and, where appropriate, straight to an offer.What You'll DoContribute to the design and optimisation of scalable, secure, and high-performance blockchain architecturesDevelop, integrate, test, and maintain smart contracts and decentralised protocol componentsConduct technical research and support proof-of-concept initiatives for new blockchain and DeFi featuresContribute to cross-chain interoperability solutions, including bridging and atomic swap mechanismsImprove execution efficiency and optimise smart contract logic for gas consumption and performanceCollaborate with engineering and security teams to identify vulnerabilities and strengthen protocol reliabilityParticipate in code reviews, testing, CI/CD workflows, and engineering best practicesWork closely with cross-functional teams to support successful product delivery and continuous improvementWho You AreProfessional experience building and operating backend systems in production environmentsStrong proficiency in Golang, Typescript or another backend/systems programming language with practical concurrency and performance knowledgeSolid understanding of system design fundamentals including services, data flows, reliability, and maintainabilityFamiliarity with blockchain platforms, smart contracts, transaction handling, and on-chain integrationsExperience working with containerised services and modern deployment practicesStrong problem-solving skills and ability to work effectively in fast-paced engineering environmentsAbility to balance technical quality, scalability, and operational reliabilityAt senior level, experience owning projects end-to-end and contributing to architectural decision-makingNice to havesExperience contributing to open-source blockchain or Web3 projectsFamiliarity with zero-knowledge technologies or rollup architecturesExperience building distributed systems or low-latency infrastructureUnderstanding of blockchain infrastructure automation and deployment toolingExperience working in high-growth startup or scale-up environments1inch 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.We use AI-assisted tools to help us review applications efficiently. These tools support our recruitment team but do not make decisions on our behalf — every application is reviewed by a person before any outcome is determined. No offer or rejection is made solely on the basis of automated processing. For full details on how we use these tools and your rights in relation to them, please see our Applicant and Candidate Privacy Notice.