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Eliassen Group

Senior Full Stack React.js / Node.js Developer

On site

Denver, United states

$ 66 /hour

Senior

Freelance

22-01-2026

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Skills

Leadership JavaScript TypeScript HTML CSS SQL NoSQL MySQL MongoDB PostgreSQL GraphQL Docker Kubernetes Test Selenium Databases Organization react node.js Back-end Development AWS Automation Testing React.js Redux Web Development

Job Specifications

Hybrid 4 days on-site in Englewood, CO

The organization is a leading telecommunications and media provider serving over 26 million customers across 41 states under a nationally recognized brand. It ranks among the largest cable and pay TV operators in the United States and is also a significant residential telephone provider. Founded in 1993 and publicly traded on NASDAQ, the company employs approximately 98,000 people and maintains substantial assets. More information is available at the company’s public website.

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 major features across multiple web applications using React.js, Node.js, and TypeScript.
Collaborate with product and engineering teams to design and implement scalable front-end and back-end solutions.
Develop and consume REST and GraphQL APIs to support application functionality.
Implement semantic HTML, CSS, and SCSS with a focus on accessibility and responsive design.
Apply web performance, security, and browser API best practices in all deliverables.
Write unit tests with Jest and Enzyme or React Testing Library and contribute to automation testing with Cypress or Selenium.
Work with SQL and NoSQL databases including PostgreSQL, MySQL, and MongoDB.
Containerize and deploy services using Docker, Kubernetes, and AWS.
Coordinate with distributed and offshore teams to ensure timely delivery and quality.

Experience Requirements

7+ years professional experience with Vanilla JavaScript and React.js development.
Experience functioning as a lead or in a senior developer capacity with leadership responsibilities.
3+ years in Node.js back-end development.
Professional experience with TypeScript.
Prior experience coordinating with offshore teams in India.
2+ years professional experience consuming REST APIs.
1+ years professional experience with SQL/NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
Strong experience with semantic HTML, CSS, and SCSS styling.
Experience implementing accessibility standards.
React unit testing using Jest and either Enzyme or React Testing Library.
Experience with React state management libraries such as Redux or Apollo.
Experience consuming and building REST and/or GraphQL APIs.
Knowledge of web development best practices including performance, security, and browser APIs.
Experience with Docker and Kubernetes.
Experience with AWS.
Experience with automation testing tools such as Cypress or Selenium.

Education Requirements

Bachelor’s degree or equivalent education in Computer Science, Information Technology, or a related field.

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) with match, and sick time if required by law in the worked-in state/locality.

Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.

Job ID: JN -012026-105125

About the Company

Eliassen Group is a leading strategic consulting firm delivering business, clinical, and technology services that help clients innovate and achieve meaningful outcomes. With over 30 years of experience and an industry-leading Net Promoter Score, we are committed to positively impacting our employees, clients, consultants, and the communities we serve. Our services are delivered through three core pillars: Technology Solutions: Expert-led practices providing top technology talent and professional services across AI & data ... Know more