Sr. Full Stack Developer / AI Platform Engineer

Greenwood Village, CO | Onsite 4 days per week

Our client seeks a Sr. Full Stack Developer / AI Platform Engineer to advance an AI-driven development ecosystem. The role will focus on building AI developer harnesses and workflows, integrating tools such as Claude Code, Codex, and Kiro, and contributing to an internal extension-sharing platform that enables scaled AI-powered development. The engineer will develop full stack applications, evaluate emerging AI coding tools, analyze usage data to produce dashboards, and act as an AI evangelist through demos, hackathons, and knowledge sharing.

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: $68.00 to $78.00/hr. w2

• Build and optimize AI developer harnesses and workflows.
• Contribute to an internal extension-sharing platform.
• Develop full stack applications and integrations.
• Evaluate and implement emerging AI coding tools.
• Analyze usage data and build reporting dashboards.
• Serve as an AI evangelist through demos, hackathons, and knowledge sharing.

• 8-10+ years of full stack development experience.
• Proven architecture and system design experience.
• Strong experience with AI coding tools and developer harnesses, including Claude Code, Codex, and Kiro.
• Proficiency in TypeScript and Python.
• Experience with data analysis, reporting, and metrics.
• Strong communication skills with the ability to lead demos and drive adoption.
• Nice to have: experience building developer platforms or internal tools.
• Nice to have: familiarity with LLMs, APIs, and prompt engineering.
• Nice to have: exposure to cloud and DevOps environments.

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 ( View email address on careers.eliassen.com , Show phone number) 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.

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact  View email address on careers.eliassen.com .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

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