> Markdown version of [/jobs/ext/2272163-react-js-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/2272163-react-js-full-stack-developer). 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). --- # React.js / Full-Stack Developer - **Company:** OPTIME TECH - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Continuous Integration, Python (Programming Language), OAuth, OpenID, E2e Testing, Software Engineering, Systems Integration, Web Applications, Web Performance Optimization, Okta, ReactJS, Backend, Build Management, Front End Software Development, React Redux, React Testing Library, Restful APIs, Microservices - **Published:** August 27, 2026 - **Apply:** https://www.dice.com/job-detail/c8efcb3e-e0c9-4a6c-8aeb-9ab7718cd7ce ## About the Role * 8-10 years of professional software development experience. * 4-6 years of strong professional experience developing modern web applications using React.js. * Strong experience designing and developing scalable, high-performance React.js applications. * Experience optimizing React applications using useMemo, useCallback, React.memo, and efficient component design. * Experience building or contributing to reusable component libraries and design systems. * Strong understanding of frontend performance, accessibility, maintainability, and scalability. * Experience architecting frontend solutions from the ground up. * Strong experience with Redux Toolkit, React Context, or similar state-management solutions. * 4-6 years of hands-on backend development experience with Java and/or Python. * Experience building or integrating RESTful APIs, backend services, or microservices. * Experience with Jest, React Testing Library, and E2E testing. * Experience with OAuth, Okta, and OIDC, including secure sign-in, token handling, and authentication integration. Nice to Have * Micro-Frontends * AWS * CI/CD * Experience with frontend build and deployment processes * Strong communication and cross-functional collaboration skills ## Description We are seeking a Senior React.js / Full-Stack Developer with strong frontend expertise and hands-on backend development experience in Java and/or Python to design, build, and optimize scalable, high-performance web applications. ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) ## Related Articles - [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) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [Top 5 React Form Libraries for Developers](https://www.wearedevelopers.com/magazine/399-top-5-react-form-libraries-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)