UserEvidence

Frontend Engineer

• You'll be part of a senior engineering team responsible for stabilizing and evolving UE Advocacy. Depending on focus area, you may work in one of three lanes:
• - **Re-architecture.** Port modules from the legacy Express API to the new Hono API with full integration test coverage. Decompose large React components (3,000-5,000 LOC pages) and convert .jsx to strict-mode .tsx. Improve frontend performance — bundle splitting, dynamic imports, mobile-first defensive coding, embed reliability. Harden data integrity by introducing real state machines and typed enums.
• - **Feature work.** Build new customer-facing features behind feature flags with canary rollouts, against PM-written acceptance criteria. Follow established backend patterns and frontend conventions exactly — we have reference modules for a reason.
• - **Bug triage and fixes.** Investigate customer-reported bugs using New Relic traces, structured logs, and database queries. Reproduce, fix, and add tests to prevent regression. Most bugs live in legacy code; finding them is a code-archaeology skill.
• Across all three lanes, you will:
• Write clean, maintainable, well-tested code following established patterns
• Conduct thoughtful peer code reviews and respond constructively to the same
• Use automated code review (Macroscope), automated tests (Bun, Vitest, Playwright), and canary deploys as your safety net — not manual full-app QA
• Troubleshoot production issues using New Relic, structured logs, and direct database queries

Senior Full-Stack Engineer, Typescript