HyperFi is building a platform that needs to connect systems, abstract complex workflows, and enable smart automation. They are looking for a Senior Frontend Software Engineer to help build the user interface and define the frontend architecture for this platform.
Requirements
- React 19
- TypeScript (strong typing encouraged)
- Playwright + unit tests
- GitHub Actions for CI/CD
- REST & gRPC API integration
- Event-driven data flows (via WebSocket or polling, depending on path)
- 6–8 years of frontend experience, with serious React chops
- Deep understanding of component-driven architecture, hooks, and state management
- Experience working on multi-page apps with complex workflows
- Comfortable consuming APIs and working closely with backend engineers
- Strong intuition for good UX
- Have worked on design systems or component libraries
- Care about performance, accessibility, and fine UX details
- Have built staging environments or preview deploys
- Can debug across the stack, not just in the browser
Responsibilities
- Own key parts of the frontend codebase — from routing and state management to components and accessibility
- Build intuitive, high-quality interfaces using modern React + frontend development practices
- Collaborate with backend engineers to integrate APIs and event-driven data flows
- Help define and evolve design patterns, component libraries, and UI architecture
- Make meaningful product decisions alongside design, product, and engineering leads
- Write code that’s fast, clean, and built to be read and extended
- Design and implement clean, modern UI with an eye for detail — keeping up with current best practices in web design, layout, and styling
Other
- Must be based in San Francisco, Las Vegas, or Tel Aviv
- Clear communicator who can thrive in async-native teams
- Flexible hours, async-friendly culture, engineering-led environment
