> Markdown version of [/jobs/ext/3989031-reach-js-senior-developer-lead](https://www.wearedevelopers.com/jobs/ext/3989031-reach-js-senior-developer-lead). 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). --- # Reach js Senior Developer/ Lead - **Company:** cloudingest inc - **Location:** Newark, NJ, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** JavaScript (Programming Language), HTML5, Cascading Style Sheets (CSS), Continuous Integration, Document Object Model, JSON, Object-Oriented Software Development, Package Management Systems, Next.js, TypeScript, Apache Yarn, Tailwind, ReactJS, Cypress (Programming Language), Gitlab, Git, Syntactically Awesome Style Sheets (SASS), Webpack, Deployment Automation, Playwright, Build Tools, Front End Software Development, React Testing Library, Es2015, Software Version Control - **Published:** October 28, 2026 - **Apply:** https://www.dice.com/job-detail/e0cc7a0e-34d6-490b-a01f-7d9ed776a2f4 ## About the Role * 10+ years of relevant experience * Core Languages: Strong proficiency in React.js, its core principles, lifecycle methods, and modern React Hooks. Deep expertise in JavaScript (ES6+), TypeScript, HTML5, and CSS3/SASS. * React Ecosystem: Strong command of functional components, React Hooks, lifecycle patterns, and meta-frameworks like Next.js. * Language Mastery: Advanced knowledge of JavaScript (ES6+), DOM manipulation, and the JavaScript object model. * Styling Tools: Experience with modern CSS workflows, including CSS Modules, Styled Components, Tailwind CSS, or preprocessors like Sass/Less. * Build & Tooling: Familiarity with modern bundlers and build tools such as Webpack, Vite, Babel, and npm/Yarn. * Build Ecosystem: Familiarity with front-end build tools and pipelines such as Vite, Webpack, Babel, and package managers like npm or Yarn. * Version Control: Professional experience with Git and platforms like or GitLab. * Security & Auth: Basic understanding of front-end security practices and authentication standards (e.g., JSON Web Tokens) * Testing & Quality Assurance: Experience with testing frameworks like Jest, React Testing Library, Cypress, or Playwright. * Version Control & CI/CD: Proficiency in Git/GitHub and automated deployment pipelines. ## Description We are looking for candidates with hands on React JS Snr Developer/lead profile who can lead front-end architecture, builds scalable web applications, and present to stackholders.