> Markdown version of [/jobs/ext/1373473-senior-full-stack-react-js-node-js-developer](https://www.wearedevelopers.com/jobs/ext/1373473-senior-full-stack-react-js-node-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). --- # Senior Full Stack React.js / Node.js Developer - **Company:** Eliassen Group - **Location:** Greenwood Village, CO, United States - **Experience:** Expert - **Salary:** $124,800.0 - $137,280.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Unit Testing, Cascading Style Sheets (CSS), Code Review, Web Development, PostgreSQL, MongoDB, MySQL, Node.Js, NoSQL, Selenium, Semantic HTML, SQL Databases, TypeScript, Web Applications, ReactJS, Cypress (Programming Language), Containerization, Kubernetes, Information Technology, Graphql, React Redux, React Testing Library, Restful APIs, Docker - **Published:** July 22, 2026 - **Apply:** https://dejobs.org/x/x/A2E2DAEAF3C9415399BE67DDF1B42152/job/ ## About the Role Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance., * 7+ years of professional experience with JavaScript, TypeScript, and React.js. * Strong AI context and harness engineering experience with AI coding tools such as Claude Code, Codex, and Kiro. * 3+ years of professional Node.js back-end development. * Professional experience with TypeScript. * Experience coordinating with offshore teams, including teams in India. * 2+ years of experience consuming REST APIs. * 1+ year of experience with SQL/NoSQL databases such as PostgreSQL, MySQL, or MongoDB. * Experience with semantic HTML, CSS, and SCSS. * Experience with accessibility practices. * React unit testing using Jest and Enzyme or React Testing Library. * State management using Redux or Apollo. * Consuming and building REST and/or GraphQL APIs. * Knowledge of performance, security, and browser APIs. * Experience with Docker, Kubernetes, and AWS. * Experience with automation testing using Cypress or Selenium. * Ability to work on-site in Greenwood Village, CO. Willingness to attend in-person interviews. Ability to observe mandatory time off periods as scheduled by the client. Education Requirements: Bachelor's degree or equivalent education in Computer Science, Information Technology, or related field. ## Description Our client seeks a Senior Full Stack React.js / Node.js Developer for a long-term contract on the internal build and tools team. You will contribute core features across multiple web applications that serve internal and external customers, collaborating across business units and ensuring quality through testing and best practices., * Build, test, and deliver full stack features across multiple web applications. * Develop high-quality React.js front-end components with TypeScript and semantic HTML/CSS/SCSS. * Implement and maintain Node.js back-end services and APIs. * Consume and build REST and GraphQL APIs with attention to performance and security. * Apply accessibility standards and web development best practices. * Create and maintain unit and automation tests using Jest, React Testing Library or Enzyme, and tools such as Cypress or Selenium. * Containerize and deploy services using Docker and Kubernetes on AWS. * Collaborate with onshore and offshore teams and participate in code reviews. ## Related Videos - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [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) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) ## 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) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [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)