Senior Frontend Engineer (Marketplace Web Rewrite) job in New York
Role details
Job location
Tech stack
Job description
Next.js 16.x (App Router)
React 19
TypeScript
Tailwind
shadcn/ui
Playwright
Datadog
Ruby on Rails, Node.js (AWS), Postgres, MongoDB
We are open to strong Full Stack engineers willing to grow deeper into React/Next.js.
Key Responsibilities
Own major frontend initiatives end-to-end across highest-traffic surfaces (SRP, DLP)
Drive improvements in Core Web Vitals, SEO, conversion, and reliability
Lead technical design (RFCs, design docs) and align with Product & Design
Define scalable frontend architecture patterns (routing, data fetching, caching, components, analytics, error handling)
Raise the engineering quality bar via reviews, standards, and mentorship
Improve testing and observability (Playwright, Datadog, CI hygiene)
Partner with backend teams to design performant API contracts
Requirements
7+ years building production web applications
Deep React expertise
Strong experience with modern frontend architecture (SSR/SPA hybrids, especially Next.js patterns)
Proven experience leading high-traffic rewrites or migrations with measurable performance/SEO gains
Strong ownership mindset and ability to drive ambiguous projects to completion
High engineering standards (testing discipline, observability mindset, maintainability)
Bonus Skills
Next.js 16.x (App Router)
React 19
TypeScript
Tailwind, shadcn/ui
Playwright
Datadog
Backend exposure (Rails, Node.js, AWS)
Marketplace / two-sided platform experience (e.g., Airbnb-style platforms)
Ideal Background
We value engineering quality and judgment over narrow stack specialization.
Strong signals:
Experience in top-tier engineering organizations (Stripe, Airbnb, or similarly rigorous environments)
Strong CS fundamentals (ideally formal CS education)
High learning velocity and technical ownership mindset
Experience working on high-scale consumer web platforms
