Andrew Grzeszczak
Senior Software Engineer at Shiftsmart
Bartlett, Illinois, United States
Summary
👤
Senior🎓
Top SchoolAndrew Grzeszczak is a Senior/Staff Software Engineer with 12 years of experience building production-grade systems in Rust, JavaScript, Python, and Ruby, currently focused on greenfield AI projects. He designs and operates scalable cloud infrastructure and CI/CD for high-availability services, with hands-on expertise integrating multiple LLMs, agentic validation pipelines, and image-generation workflows into user-facing products. At Wendy he built a cost-efficient personalized children's story platform with automated safety and quality controls, and at Veho he led event-driven microservice and observability efforts while driving infrastructure migrations and ISO27K1 work. Comfortable both leading teams and shipping code, he blends backend systems design, prompt engineering, and model fine-tuning to bridge research and reliable production. Based in Bartlett, IL, he has a track record of turning complex AI requirements into auditable, stakeholder-friendly tools like headless CMSes and operational warehouse tooling. An operator as well as an engineer, he often focuses on safety, consistency, and cost-efficiency in ML-driven products.
12 years of coding experience
12 years of employment as a software developer
Science Management, Science Management at Southern Illinois University, Carbondale
Github Skills (35)
react9
rust8
zero-configuration7
flask-extensions7
create-react-app7
endpoint7
build-tools7
compiler6
developer-tools6
pure-python6
python6
flask5
openapi5
rest-api5
api5
Programming languages (3)
Github contributions (5)
andrewgrz/gears-lang
Sep 2018 - Dec 2018
Contributions:139 commits, 16 pushes, 1 branch in 2 months
agrzeszczak/AngularLaravelBlog
Aug 2013 - Aug 2013
Contributions:45 commits in 1 day
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