Tech Lead, Backend

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 missionWe are looking for a Tech Lead, Backend to lead the technical execution, micro-architecture and engineering excellence of backend platform services powering the core of the 1inch DeFi platform.This is a hands-on technical leadership role for an experienced backend engineer who combines strong technical expertise with the ability to guide a team in delivering high-quality software. You will own the technical direction of your team’s services, ensuring they are scalable, resilient, secure and performant while mentoring engineers and raising engineering standards.You will work on distributed backend systems, blockchain integrations, blockchain indexing services and mission-critical platform capabilities operating under demanding performance and correctness requirements.What You’ll DoOwn the technical design and micro-architecture of backend services within your team’s domainLead technical planning, implementation decisions and architecture reviewsEstablish engineering standards, coding practices and backend architecture patternsBalance feature delivery with long-term maintainability, reliability and technical debt reductionAct as the primary technical quality gate for production changes. Spend approximately 50-80% of your time writing production code in Go and TypeScriptDesign, build and operate scalable, resilient and high-performance backend services across their full lifecycleBuild backend systems that integrate with smart contracts, blockchain infrastructure and Web3 servicesDesign and operate blockchain indexing and data processing systems supporting routing, pricing, execution, portfolio and analytics capabilitiesLead AI-first engineering practices while mentoring engineers and partnering with Product, Blockchain, Infrastructure, Security and DevOps teamsWho You AreYou have 6+ years of professional backend software engineering experience, including technical leadership responsibilitiesYou have expert-level experience building backend systems with Go and strong professional experience with TypeScriptYou have deep expertise designing and operating distributed systems, event-driven architectures and cloud-native platformsYou have strong experience building secure, scalable and highly available production systemsYou have a strong understanding of blockchain infrastructure, smart contracts, blockchain indexing and Web3 backend developmentYou have extensive practical experience using Cursor AI or comparable AI-native engineering environmentsYou have proven experience applying AI-assisted engineering across architecture, implementation, testing, debugging, documentation and code reviewYou have experience designing or scaling agentic software delivery workflows and helping engineering teams adopt AI effectivelyYou understand how AI can accelerate software delivery without compromising engineering quality, security or maintainabilityYou have excellent system design, communication and technical leadership skillsNice to havesExperience with MCP-based engineering workflowsExperience building internal AI engineering platforms or developer productivity toolingExperience with multiple blockchain ecosystems beyond EVMExperience with Terraform, Kubernetes or advanced cloud-native infrastructureCloud, Kubernetes, security or blockchain certifications1inch 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.