Software Engineer, Frontend (Angular)

About the role

1inch is building the most‑used interfaces in decentralized finance, from a flagship swap aggregator to advanced trading tools and portfolio dashboards. As a Frontend Engineer you will own the end‑to‑end experience of these products, delivering fast, reliable and intuitive web applications for millions of users across multiple blockchains.

Key responsibilities

• Design, develop, and maintain Angular applications and shared UI components using RxJS and TypeScript.
• Build responsive, high‑performance web pages that meet strict usability and security standards.
• Contribute to frontend architecture decisions, testing strategies, CI/CD pipelines and coding standards.
• Improve reliability, maintainability, accessibility and browser performance of existing codebases.
• Collaborate with product, design, backend and blockchain teams to deliver seamless user experiences.
• Participate in code reviews, testing workflows and continuous improvement of engineering practices.
• Monitor application performance, observability and debugging processes.
• For senior engineers: lead architectural initiatives, mentor teammates and drive engineering standards.

Required profile

• Strong proficiency with Angular, RxJS and TypeScript.
• Solid understanding of modern web technologies such as the DOM, SCSS/CSS, HTTP, CORS and CSP.
• Experience with frontend monitoring, testing and CI/CD tools (e.g., Sentry, GitHub Actions).
• Familiarity with Service Workers and browser performance optimisation techniques.
• Ability to write unit and integration tests for frontend applications.
• Professional experience building scalable web applications in production environments.

Required skills

• Angular
• RxJS
• TypeScript
• SCSS / CSS
• HTTP, CORS, CSP
• Sentry
• GitHub Actions
• Service Workers
• Unit testing
• Integration testing
• CI/CD pipelines
• Browser performance optimisation