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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - **Company:** Elsevier Inc. - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Unit Testing, Software Quality, Databases, Github, Issue Tracking Systems, Node.Js, NoSQL, Scrum Methodology, Software Engineering, SQL Databases, Strategies of Testing, TypeScript, Eslint, ReactJS, Express.js, Code Comments, Backend, Code Inspection, Front End Software Development, React Redux, Api Design, Restful APIs, Mocha, Jenkins - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-software-full-stack-software-engineer-react-on-the-nodejs-relx-india-pvt-ltd-els-div-c-8733389 ## About the Role About the role We are seeking a highly capable Software Engineer to join our fast-paced, Agile development team. This full-stack JavaScript engineer will own and contribute to features across the frontend and backend, partnering closely with product, design, and QA. The ideal candidate has solid experience with React, Node.js, and Express.js, a practical understanding of CI/CD pipelines (preferably Jenkins), and a strong commitment to code quality, testing, and collaborating in an Agile environment. Fluency with GitHub workflows and pull-request-based collaboration is essential., * Professional software development experience in full-stack JavaScript. * Proficiency with React (hooks, state management, component design) and modern JavaScript/TypeScript. * Experience with Node.js and Express.js for API development. * Demonstrated experience building and consuming RESTful APIs. * Proficiency with GitHub workflows, pull requests, issue tracking, and collaboration in a distributed or co-located team. * Experience with linting (ESLint) and automated testing (unit tests; familiarity with Jest, Mocha, or similar). * Working knowledge of Agile/Scrum methodologies and collaboration in cross-functional teams. * Experience with additional front-end tooling and state management libraries (e.g., Redux or modern alternatives). * Familiarity with other back-end technologies or databases (e.g., SQL/NoSQL) and ORM/query builders. ## Description * Designing, developing, testing, and maintaining scalable web applications using React on the frontend and Node.js/Express.js on the backend. * Translating product requirements into well-architected, maintainable code and robust APIs. * Implementing automated tests (unit/integration) and ensure code quality through reviews and best practices. * Collaborating in an Agile/Scrum environment: participate in standups, sprints planning, backlog grooming, and demos. * Contributing to CI/CD pipelines and release processes; work with Jenkins to build, test, and deploy features. * Writing and maintaining comprehensive documentation, including code comments, README updates, and API specs. * Troubleshooting production issues, perform root-cause analysis, and implementing long-term fixes. * Mentoring junior engineers and sharing knowledge to uplift the team's skills and coding standards. * Collaborating with QA to define and implement test strategies and acceptance criteria. ## Related Videos - [Test Driven Development with JavaScript](https://www.wearedevelopers.com/videos/222-test-driven-development-with-javascript) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)