Senior Front-End Software Engineer
Posted Today by VDart, Inc.
Negotiable
Undetermined
Remote
Remote
Summary: The Senior Front-End Software Engineer role focuses on building and optimizing a streaming application primarily for Smart TVs, emphasizing performance and stability on resource-constrained devices. The position requires strong expertise in React and TypeScript, along with experience in state management and performance optimization. The candidate will work collaboratively within a cross-functional team to enhance front-end features and resolve performance issues. This is a contract position with remote working arrangements, requiring an initial office presence on the first day.
Key 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
Key Skills:
- 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
Salary (Rate): undetermined
City: undetermined
Country: undetermined
Working Arrangements: remote
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
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:
We’re 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 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 behavior, or performance bottlenecks in large SPAs
- Ability to work collaboratively in a cross-functional team