Overview
We are looking for a motivated Junior-to-Mid-Level PHP developer to help us build and scale AI systems within our backend ecosystem. In this role, you will work in our in-house PHP agent framework to connect Large Language Models (LLMs) to internal APIs and databases, build RAG pipelines, and develop multi-step agent workflows. Working alongside senior engineers, you will turn business logic into intelligent, automated workflows that reason, call tools, and execute multi-step tasks. This is an in-person role in Glenview, IL. This requires regular on-site work, and relocation assistance is not provided. Core Responsibilities Agent Implementation: Build and refine AI agents and multi-step workflows using our in-house agent framework. API Integration: Write clean PHP code to connect commercial LLM APIs (OpenAI, Anthropic, Google) to internal REST APIs and enterprise databases, including too
Full job description
Full Job Description
We are looking for a motivated Junior-to-Mid-Level PHP developer to help us build and scale AI systems within our backend ecosystem. In this role, you will work in our in-house PHP agent framework to connect Large Language Models (LLMs) to internal APIs and databases, build RAG pipelines, and develop multi-step agent workflows. Working alongside senior engineers, you will turn business logic into intelligent, automated workflows that reason, call tools, and execute multi-step tasks. This is an in-person role in Glenview, IL. This requires regular on-site work, and relocation assistance is not provided.
Core Responsibilities
- Agent Implementation: Build and refine AI agents and multi-step workflows using our in-house agent framework.
- API Integration: Write clean PHP code to connect commercial LLM APIs (OpenAI, Anthropic, Google) to internal REST APIs and enterprise databases, including tool calling and structured outputs.
- RAG & Vector Management: Assist in building and maintaining Retrieval-Augmented Generation (RAG) pipelines using embeddings and vector search.
- Testing & Evaluation: Write test scripts to evaluate agent outputs, benchmark token costs, and track down hallucinations and runaway loops.
- Prompt Engineering: Design, test, and version-control system prompts, function schemas, and tool definitions for chat and batch processing.
Required Technical Skills
- Programming: 1–3 years of professional experience writing clean, readable, object-oriented PHP.
- API Fundamentals: Strong understanding of RESTful APIs, JSON parsing, and serialization in backend environments.
- Databases: Solid SQL experience (we use Oracle, MySQL/MariaDB, and Postgres).
- Version Control: Proficiency with Git and collaborative code-review workflows.
Preferred Qualifications
- Hands-on experience with LLM APIs
- Experience working with legacy code in a large, established codebase.
We offer our team members:
- 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) which includes a matching program
- Life & Disability insurance (Lincoln Financial)
- Generous Paid Time Off/Sick Pay Program
- Continued training & career development
- Employee discounts on all the products we sell
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