Software Engineer, Frontend (Angular)

1inch builds some of the most-used interfaces in DeFi - from our flagship swap aggregator to advanced trading tools, portfolio views and developer-facing pages. Our frontend engineers own these experiences end-to-end, ensuring they are fast, reliable and intuitive for millions of users across multiple chains.

We are building a talent pool of frontend engineers at mid and senior level. This is an evergreen posting: there is no single open role tied to it, but when approved positions arise you will already be in our pipeline., * Design, develop, and maintain frontend applications and shared UI components using Angular, RxJS, and TypeScript

• Build responsive, scalable, and high-performance web applications with strong usability and security standards
• Contribute to frontend architecture decisions, testing strategies, CI/CD workflows, and development standards
• Improve frontend reliability, maintainability, accessibility, and browser performance optimisation
• Collaborate closely with product, design, backend, and blockchain engineering teams to deliver seamless user experiences
• Participate in code reviews, testing workflows, and continuous improvement of frontend engineering practices
• Monitor frontend application performance and contribute to observability and debugging processes
• At senior level, lead architectural initiatives, mentor engineers, and drive frontend engineering standards across teams

Do you have experience in TypeScript?, * Experience working with frontend monitoring, testing, and CI/CD tooling such as Sentry and GitHub Actions

• Familiarity with Service Workers and browser performance optimisation techniques
• Experience writing unit and integration tests for frontend applications
• Strong communication skills and ability to work effectively within distributed engineering teams
• Professional frontend engineering experience building scalable web applications in production environments
• For senior-level candidates, experience designing frontend architectures, reusable component systems, and leading technical initiatives, * Experience working with Ethereum, JSON-RPC, Solidity, smart contracts, or Web3 technologies
• Familiarity with Ethers.js, EIP-2612, and Automated Market Maker (AMM) protocols
• Experience building decentralised applications and blockchain-based user interfaces
• Backend exposure with technologies such as NestJS, Docker, or microservices
• Experience working in fast-paced startup, scale-up, or high-growth technology environments