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Senior Frontend Engineer - React

Remote • Posted 1 hour ago • Updated 1 hour ago

Contract W2

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Remote

Depends on Experience

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Job Details

Skills

React
typescript and Javascript

Summary

Mandate : React 18

10 years IT experience mandate

We re looking for a Senior Front-End Software Engineer to help build and optimize a streaming application used across various devices. This role is ideal for someone who cares deeply about performance and knows how to keep complex applications fast and stable on resource-constrained devices.

What You ll Do:

Build and maintain front-end features using React 18 and TypeScript
Develop predictable and maintainable state management using Redux and Redux Toolkit (RTK)
Identify, measure, and resolve performance bottlenecks related to rendering, memory usage, and application startup
Debug and mitigate JavaScript memory leaks in long-running applications

Required Qualifications:

Strong experience with React and TypeScript
Experience managing application state with Redux and RTK
Familiarity with client-side routing patterns using React Router
Solid understanding of front-end fundamentals (HTML, CSS, modern JavaScript)
Experience with performance optimization - debugging, measurement, and implementation (e.g., profiling, monitoring, or performance tooling)
Understanding of browser internals, rendering behaviour, or performance bottlenecks in large SPAs
Ability to work collaboratively in a cross-functional team

For tech stack, this is what they currently use so understanding of these would be good:

React 18.2.0 & TypeScript 5.9.2
State Mgmt.: Redux, RTK
Routing: React Router
Testing: Vitest, Playwright (familiarity is fine)
Preferred: Someone who has experience in app performance, measuring it, looking into things like debugging JS memory leaks.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: jeanmart
Position Id: 8968710
Posted 1 hour ago

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