Java Software Engineer jobs in United Kingdom

Are you passionate about building sleek, fast, and powerful web applications? Do you dream of working on the frontlines of the DeFi revolution? At 1inch, we’re not just developing a product—we’re reshaping the future of how people interact with Web3. Our dApp app.1inch.io is a gateway to the decentralized world, and we’re looking for a Senior Frontend Engineer who’s ready to leave their mark on one of the most innovative protocols in DeFi.

• Build and maintain the 1inch dApp using Angular, RxJS, and TypeScript
• Create high-performance and secure user interfaces
• Contribute to technical decision-making and help shape the frontend architecture

• Expert in Angular (latest versions), RxJS, and TypeScript
• Strong understanding of web fundamentals: DOM, SCSS/CSS, HTTP, CORS, and CSP
• Familiarity with tools like GitHub Actions, Sentry, and Service Workers
• Fluent in English, excellent communication skills
• Ability to work autonomously and prioritize tasks effectively

• Experience with Ethereum, Web3, Ethers, Smart Contracts, JSON-RPC, EIP-2612, or AMMs (Automated Market Makers)
• Familiarity with backend stacks: NestJS, Docker, Microservices
• STEM degree (Science, Technology, Engineering, or Mathematics) or equivalent technical background

• Startup mindset, readiness to work in a high-load environment within a distributed team
• Flexibility, open-mindedness, and adaptability to changing priorities
• Proactive and passionate about personal and professional growth

• Join a dynamic, creative team in a fast-paced and supportive environment
• Innovation and Collaboration in web3 tech are core to our success
• We’re open to new ideas— if you’ve got a vision, pitch it and make it happen
• Enjoy competitive pay that matches your skills and experience
• Be part of a company that’s shaping the future of DeFi
• Take time when you need it — we offer unlimited vacation days
• Get fully compensated for your work gear— we’ll set you up for success
• Travel with us! We host an annual team retreat at a top international location
• Click here to explore what life is like working at 1inch Labs!

Join us in shaping the future of DeFi with 1inch!