Sr Frontend Developer

Role Summary

Empathy Engines LLC is looking for a hands-on Senior Frontend Engineer to own a large production Next.js codebase and raise it to a senior-level maintainability standard. This role is focused on frontend stabilization while continuing feature delivery.

Title: Senior Frontend Engineer (React/Next.js)

Type: Full-time

Location: Remote

Team: Product Engineering

Reports to: CTO / Head of Engineering

What You Will Own

• Stabilize and harden a complex React/Next.js frontend using Redux Toolkit and TypeScript.
• Reduce regression risk by improving architecture, typing, test coverage, and CI quality gates.
• Standardize UI patterns and component usage across a mixed-library codebase.
• Mentor engineers and enforce maintainable frontend practices through code reviews and standards.

Core Responsibilities

• Own frontend architecture decisions and implementation quality.
• Refactor legacy areas while preserving product momentum.
• Partner with product/design/backend to deliver high-quality UX.
• Implement and maintain CI checks, testing strategy, and coding standards.
• Drive performance, accessibility, and maintainability improvements.

Must-Have Qualifications

• 5-10 years in frontend engineering, including 4+ years owning React/Next.js applications.
• Deep TypeScript experience in large codebases.
• Strong Redux Toolkit/state architecture experience.
• Proven history stabilizing/refactoring complex frontend systems.
• Strong testing practice with Jest/RTL and E2E frameworks (Cypress/Playwright).
• Strong SSR/client boundary knowledge in modern Next.js apps.
• Excellent code review discipline and pragmatic engineering judgment.

Nice-to-Have

• Experience consolidating multiple UI libraries into a coherent design system.
• Experience in SaaS admin dashboards and form-heavy workflows.
• Exposure to i18n-heavy applications.
• Experience in nonprofit, fintech, or donation/payment workflows.

How to Apply

Send resume + /GitHub + short note with:

• A frontend stabilization/refactor you led.
• What changed technically and what outcomes improved.