Circle is scaling quickly, and the front-end infrastructure that powers their product needs to scale with it. They are hiring a Senior Front-End Software Engineer to join their Infra team and take ownership of their front-end stack — keeping it modern, fast, and reliable.
Requirements
- Deep expertise with JavaScript and React*, especially at the architectural level
- A strong track record of improving performance and reliability in modern front-end applications
- 5+ years of experience in a front-end engineering role, ideally with experience owning or modernizing large codebases
- Experience building internal component libraries or design systems
- Experience with server-side rendering, code splitting, or other performance optimization techniques
Responsibilities
- Maintain and modernize our front-end stack, including React upgrades and performance improvements
- Build internal front-end tools, component libraries, and SDKs to improve developer experience and consistency
- Partner with back-end and SRE engineers to support observability, performance, and scaling efforts
- Identify opportunities to reduce third-party dependencies through in-house solutions
- Contribute to architectural decisions that improve speed, usability, and maintainability of our UI
Other
- Strong alignment with our values
- You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5
- Comfortable working autonomously in a fast-paced, fully remote environment
