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Abt

AI Agent Developer

Abt
Glenview, IL $50 - $54/hr Full time Posted 2d ago
Backend Developer Agent Orchestration Agentic Ai Agentic Systems Ai Agent Ai Developer APIs Artificial Intelligence Database Gen Ai Agents Generative AI Integration Openai Rag Architectures SQL
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Job Description

This Junior-to-Mid-Level role focuses on building and scaling AI systems within Abt’s backend ecosystem. You will develop AI agents and multi-step workflows using an in-house PHP agent framework, connecting large language model (LLM) capabilities to internal APIs, databases, and retrieval pipelines.

Onsite Location

Glenview, IL (onsite)

Compensation

USD 50 - 54 per hourly based on experience

Key Responsibilities

  • Build and refine AI agents and multi-step workflows using Abt’s in-house agent framework.
  • Develop clean PHP integrations that connect commercial LLM APIs (OpenAI, Anthropic, Google) to internal REST APIs and enterprise databases, including support for tool calling and structured outputs.
  • Assist with building and maintaining Retrieval-Augmented Generation (RAG) pipelines using embeddings and vector search.
  • Create test scripts to evaluate agent outputs, benchmark token costs, and identify hallucinations and runaway loops.
  • Design, test, and version-control system prompts, function schemas, and tool definitions for both chat and batch processing.

Required Qualifications

  • 1–3 years of professional experience writing clean, readable, object-oriented PHP.
  • Strong understanding of RESTful APIs, JSON parsing, and serialization in backend environments.
  • Solid SQL experience with systems including Oracle, MySQL/MariaDB, and Postgres.
  • Proficiency with Git and collaborative code-review workflows.

Technologies

  • PHP, OpenAI, Anthropic, Google
  • REST APIs, JSON
  • SQL: Oracle, MySQL/MariaDB, Postgres
  • Git
  • RAG, embeddings, vector search

Benefits

  • Full Time starting pay: $50-54 based on experience
  • Yearly performance review
  • Potential for advancement
  • Performance-based bonuses throughout the year
  • Medical/Dental: Blue Cross and Blue Shield PPO Network
  • Vision: VSP
  • 401(k): Charles Schwab, includes a matching program
  • Life & Disability insurance: Lincoln Financial
  • Generous Paid Time Off/Sick Pay Program
  • Continued training & career development
  • Employee discounts on all products the company sells

Preferred Qualifications

  • Hands-on experience with LLM APIs.
  • Experience working with legacy code in a large, established codebase.

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