Senior Front-End Software Engineer
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Job Location:
Los Angeles, CA - USA
Monthly Salary:
Not Disclosed
Posted on:
7 days ago
Vacancies:
1 Vacancy
Job Summary
Senior Front-End Software Engineer - React
Contract
Location Los Angeles CA / New York City NY - Remote (but need to report to the office on day 1)
Mandate Skills:
- 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.
Job Description:
Were looking for a Senior Front-End Software Engineer to help build and optimize a streaming application used across various devices most notably Smart TVs. 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 Youll 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 behavior or performance bottlenecks in large SPAs
- Ability to work collaboratively in a cross-functional team
