Senior Frontend Engineer

Job overview

The Senior Frontend Engineer role is onsite in New York, NY, five days per week, with compensation of $175,000–$290,000 per year. NxT Level is building real-time logistics and operations platforms for food delivery operations. This engineer designs and scales high-performance web and mobile applications, shaping frontend architecture and delivering complex features from initial design through production. The work supports reliable, responsive operations as the platform scales.

What you'll do

• Build high-performance React applications using real-time data through WebSockets, server-sent events, and GraphQL subscriptions
• contribute to courier mobile apps built with React Native
• lead technical design from architecture through production rollout
• improve frontend reliability, latency, and scalability
• mentor engineers.

What we're looking for

Skills & competencies

senior frontend engineer

react

react native

typescript

graphql

websockets

sse

rest apis

new york ny

nxt level

$175k–$290k/year

onsite

Work arrangement

• Weekend coverage required

Why this role

Work across web and mobile surfaces on real-time logistics and operations platforms during a stated 10-to-100 scale phase.

About the employer

NxT Level is hiring for this role. Industry: Custom Computer Programming Services. Sector: 54.