Senior Full Stack React.js​/Node.js Developer

Position: Senior Full Stack React.js / Node.js Developer
Description:
On-site in Greenwood Village, CO

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.

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.

Rate: $60.00 to $66.00/hr. w2

Responsibilities:

• Build, test, and deliver full stack features across multiple web applications.
• Develop high-quality React.js front-end components with Type Script 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.

Experience Requirements:

• 7+ years of professional experience with JavaScript, Type Script, 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 Type Script.
• Experience coordinating with offshore teams, including teams in India.
• 2+ years of experience consuming REST APIs.
• 1+ year of experience with SQL/No
  
  SQL 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.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (, ) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position.

All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k)…