Senior AI Engineer

Harmer; Chicago (IL); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Harmer is seeking a Senior Engineer for its Agentic AI Engineering team in Chicago. The role focuses on shaping how AI is used in production-critical software, building AI agents, MCP servers, retrieval systems, and evaluation pipelines at scale.

The ideal candidate has strong CS fundamentals and hands-on experience with Java or Python, plus a track record of contributing to production or developer-facing systems. The role is hybrid, leaning onsite in Chicago Loop.

Qualifications

• Strong computer science fundamentals
• Experience contributing to production or developer-facing systems
• Experience designing, developing, or implementing AI agents or autonomous workflows

Responsibilities

• Build AI agents, MCP servers, retrieval systems, and evaluation pipelines to make AI-generated code reliable and auditable
• Translate emerging AI capabilities into practical engineering solutions in production

Skills

Java

Python

AI agents

Agent frameworks

Job description

We’re working on a Senior Engineering role with a top financial firm in Chicago’s Agentic AI Engineering team to help shape how AI is used in production-critical software development at scale. You'll build AI agents, MCP servers, retrieval systems, and evaluation pipelines that make AI-generated code reliable, auditable, and ready for real-world use. The firm seeks strong computer science fundamentals, experience in Java or Python, and a proven track record of contributing to production or developer-facing systems. This role is a hybrid, leaning more onsite in Chicago Loop.

Required: Along with Java or Python, needing prior experience designing, developing, or implementing AI agents, agent frameworks, or autonomous workflows, with the ability to translate emerging AI capabilities into practical engineering solutions.

Note: Applicants must be based in the Chicago area and be a U.S. Citizen or Green Card holder, as sponsorship is not available.