Senior Front-End Software Engineer

Somerset Staffing • Los Angeles, CA

23h

About The Position

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.

Requirements

• 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

Nice To Haves

• Experience in app performance, measuring it, looking into things like debugging JS memory leaks.

Responsibilities

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed