> Markdown version of [/jobs/ext/2229357-react-js-developer](https://www.wearedevelopers.com/jobs/ext/2229357-react-js-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 developer - **Company:** CogniSoft Technologies - **Location:** San Leandro, CA, United States - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Agile Methodology, Cascading Style Sheets (CSS), Software Quality, Code Review, Software Debugging, Cloud Services, Responsive Web Design, Product Software Implementation Methods, Systems Integration, TypeScript, Web Application Frameworks, ReactJS, Backend, Git, React Redux, Restful APIs, Mocha, Software Version Control - **Published:** August 25, 2026 - **Apply:** https://www.dice.com/job-detail/c933cb4d-65fe-48e4-9079-50f95229e194 ## About the Role * Strong proficiency in React JS, including experience with state management libraries such as Redux or Context API. * Solid understanding of JavaScript, HTML, and CSS. * Experience with RESTful APIs and integrating front-end applications with back-end services. * Familiarity with version control systems, particularly Git. * Ability to troubleshoot and debug applications effectively. * Excellent problem-solving skills and attention to detail. Preferred Skills: * Experience with TypeScript and modern JavaScript frameworks. * Knowledge of testing frameworks such as Jest or Mocha. * Familiarity with cloud services and deployment processes. * Understanding of responsive design principles and mobile-first development. * Experience with Agile methodologies and project management tools. ## Description * Lead the design, development, and implementation of software applications using React JS. * Collaborate with product managers, designers, and other stakeholders to define project requirements and specifications. * Ensure code quality through best practices, code reviews, and testing methodologies. * Mentor and guide junior developers, fostering a culture of continuous learning and improvement. * Manage project timelines, deliverables, and resources effectively to ensure successful project completion. * Identify and mitigate risks throughout the project lifecycle. * Stay updated with the latest industry trends and technologies to enhance the development process. * Participate in Agile ceremonies and contribute to the overall improvement of the development process. ## Related Videos - [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) - [Test Driven Development with JavaScript](https://www.wearedevelopers.com/videos/222-test-driven-development-with-javascript) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [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) - [Form Validation. The Tested Way](https://www.wearedevelopers.com/videos/314-form-validation-the-tested-way) ## 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) - [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) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025)