Raydar
Staff Frontend Engineer
$200K–$280K
New York, New York · Staff · Full-time · Posted Oct 15, 2026
- Experience
- 7+ years building frontend applications at scale.
About the job
Lead frontend engineering for a data-intensive web application, improving stability and performance while setting shared engineering practices and guiding technical direction.
What you'll do
- Fix application stability and data-consistency issues; improve rendering speed for large lists.
- Establish monitoring, observability, and testing approaches to detect and prevent problems.
- Build shared frontend patterns, make technical decisions, and mentor teammates through complex migrations.
What they ask for
- Deep hands-on expertise in React and TypeScript, including modern build tooling.
- Significant experience making large, data-heavy interfaces fast and responsive, and diagnosing production performance issues at scale.
- Experience with search or recommendation features.
- Well-founded frontend architecture views grounded in shipping experience; at least one stated signal of excellence.
Nice to have
- Fluency with AI-assisted development tools.
- Familiarity with backend interfaces and caching, or business data products.
Pay
USD 200,000 to 280,000 per year (base salary)
Tools
React, TypeScript
AI focus
AI-assisted development tools are a bonus; no other AI work is specified.
Model-written summary · the original posting is authoritative