Chestnut Health Systems is a not-for-profit agency founded in 1973, offering comprehensive behavioral health services including primary care, addiction treatment, mental health counseling, housing, and supportive services. Accredited by The Joint Commission, Chestnut leads evidence-based research and employs over 750 professionals across Illinois and Missouri.
Open Positions
Engineer - Agent Orchestration
3+ years of engineering experience, experience designing distributed systems, strong backend engineering skills
Lead Data Scientist
Seeking a Lead Data Scientist fluent in SQL/Python with experience in data visualization, predictive model deployment, and statistical analysis. Ability to thrive in a fast-paced, ambiguous environment is key
Software Engineer
3-5 years of experience with Go, TypeScript, and React, strong CS fundamentals, and hands-on experience with gRPC and event-driven architecture
Engineer - ML + Agent Design
3+ years of ML experience, strong experience with LLMs, and understanding of retrieval systems
Staff Software Engineer
8+ years of experience building complex software systems, led architecture or technical strategy, comfortable working across backend, data, and infra layers
Senior Software Engineer
5-8 years of experience, strong coding skills, and ability to thrive in early-stage environments
Product & Commercial Lead
5+ years of experience, strong technical acumen, and ability to communicate clearly
QA Lead Software Engineer (Founding Role)
5+ years of QA experience, 2+ years of lead or founding QA role, proficiency in modern test frameworks and scripting
VP of Engineering
7-10 years of experience leading engineering teams, with a track record of hiring exceptional engineers and shaping high-performance culture
Forward Deployed Engineer (Entry-Level / Early Career)
0-2 years of experience, solid coding fundamentals, and interest in applied AI
+90 More Jobs Available!
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