> Markdown version of [/jobs/ext/1936943-front-end-software-engineer](https://www.wearedevelopers.com/jobs/ext/1936943-front-end-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-End Software Engineer - **Company:** VDart, Inc. - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Performance Management, Cascading Style Sheets (CSS), Profiling, Software Debugging, Memory Management, Routing, Performance Tuning, Memory Leaks, TypeScript, Network Routers, ReactJS, Playwright, Front End Software Development, React Redux, JestJS - **Published:** August 5, 2026 - **Apply:** https://www.dice.com/job-detail/08b007cc-a656-41c5-862e-f22303a0de6d ## About the Role * 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., * 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 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. ## 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 ## Related Videos - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front)