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 mission
This is not an active vacancy. Instead, we're building a network of exceptional backend engineers with a focus on Typescript or Golang and solid Web3 experience, 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 individuals 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 do
Build, extend, and operate backend services and APIs that power 1inch products and internal platforms
Improve scalability, reliability, maintainability, and developer experience across backend systems
Design and implement integrations with smart-contract platforms, blockchain data sources, and external services
Contribute to observability, monitoring, incident response, and post-mortem processes
Optimise backend services for performance, resilience, and operational efficiency
Collaborate closely with product, blockchain, and infrastructure teams to deliver reliable distributed systems
Participate in code reviews, testing workflows, and engineering best practices across the development lifecycle
At senior level, own services end-to-end, define technical direction, and mentor other engineers
Who you are
Professional experience building and operating backend systems in production environments
Strong proficiency in Golang, Typescript or another backend/systems programming language with practical concurrency and performance knowledge
Solid understanding of system design fundamentals including services, data flows, reliability, and maintainability
Familiarity with blockchain platforms, smart contracts, transaction handling, and on-chain integrations
Experience working with containerised services and modern deployment practices
Strong problem-solving skills and ability to work effectively in fast-paced engineering environments
Ability to balance technical quality, scalability, and operational reliability
At senior level, experience owning projects end-to-end and contributing to architectural decision-making
Nice to haves
Experience working with multiple blockchain networks or non-EVM ecosystems
Familiarity with on-chain data indexing, observability tooling, or protocol debugging systems
Experience building performance-sensitive systems such as routing engines, risk controls, or high-throughput pipelines
Experience working within fintech, crypto, or other correctness-critical domains
Exposure to distributed systems or low-latency infrastructure architectures
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.
