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 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.

Experience Requirements:

• 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.