Senior Frontend Engineer
$175k - $290kFull-time
Nxtlevel
Location: NYC - onsite 5 days per week
Compensation: $175k-$290k
Company Size: 3000+ employees
Total Funding: $1.8B
Visa: transfer only, no new sponsors
Tech Stack: React, React Native, TypeScript, GraphQL, WebSockets, SSE, REST APIs
We are looking for a Senior Frontend Engineer with 3+ years of experience to build and scale real-time logistics and operations platforms. You'll work across web and mobile surfaces, designing high-performance React applications powered by WebSockets, SSE, and GraphQL subscriptions. This is an opportunity to shape frontend architecture that directly powers real-world food delivery operations during a critical 10 → 100 scale phase. You'll partner closely with backend and operations teams, owning projects end-to-end in a fast-moving, engineering-first culture.
What will you be doing?
- Design and build high-performance React applications with real-time data via WebSockets, SSE, and GraphQL subscriptions
- Contribute to and shape courier mobile apps built in React Native
- Lead technical design for complex features from initial architecture through production rollout
- Improve frontend reliability, latency, and scalability in a high-throughput logistics environment
- Mentor engineers and raise the bar for frontend engineering across the team
Vacancy posted 1 day ago
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