Sr. Frontend Engineer

Harnham New York, NY $170,000 - $210,000
Full Time Senior Level 7+ years

Posted 3 weeks ago

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About This Role

Lead major initiatives within a core web platform rewrite for a consumer-facing technology company in the travel and hospitality space. Own critical user journeys and define frontend architecture and standards to deliver fast, reliable, and intuitive customer experiences.

Responsibilities

  • Own high-impact frontend initiatives end-to-end across core user journeys
  • Lead technical design and implementation for large frontend changes
  • Define and implement reusable patterns in a modern Next.js codebase
  • Improve performance, SEO, Core Web Vitals, and conversion metrics
  • Raise code quality through reviews, standards, and mentorship
  • Improve developer velocity through better tooling, testing, and observability
  • Partner with backend engineers on API design and performance optimization

Requirements

  • 7+ years of experience building production web applications
  • Deep expertise in React and modern frontend architecture (SSR/SPA hybrids)
  • Experience leading rewrites or major migrations of high-traffic web products
  • Ability to mentor engineers and elevate frontend practices across a team

Qualifications

  • 7+ years of experience building production web applications

Skills

AWS * REACT * TypeScript * MongoDB * PostgreSQL * Datadog * Node.js * Playwright * Next.js * Ruby * Tailwind *

* Required skills

Benefits

Equity

About Harnham

Harnham is the global leader in Data & AI recruitment, partnering exclusively with data-driven organizations for nearly two decades.

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