Senior Frontend Engineer

About the job

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.

Requirements

• React
• Next.js
• TypeScript
• Redux Toolkit

Preferred Technologies

• React
• Next.js
• TypeScript
• Redux Toolkit

About the company

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