Hybrid AI/ML Engineer for Production & GenAI

Post Holdings, Inc.; St. Louis (MO); Hybrid; USD 140,000 - 200,000; Full time

Job summary

Post Holdings, Inc. seeks an experienced software engineer to build AI-powered business solutions in a hybrid role based in St. Louis. You will develop predictive and generative AI applications, design agentic workflows, and partner with stakeholders to deliver scalable enterprise AI features.

You will engineer production-ready systems, deploy ML models, and implement CI/CD, observability, and security controls. A strong background in Python and APIs is essential for success.

Qualifications

• Bachelor’s degree in Computer Science or a related technical field.
• 7+ years of software engineering experience.
• Experience building production applications used by business users.
• Strong proficiency in Python.
• Experience designing APIs, services, integrations, and distributed systems.
• Experience deploying machine learning models into production environments.
• Experience with cloud platforms such as Azure.
• Strong software engineering fundamentals including testing, code quality, version control, and system design.

Responsibilities

• Build AI-Powered Business Solutions: develop predictive, optimization, forecasting, recommendation, computer vision, and generative AI apps; design agentic workflows and copilots; translate business opportunities into scalable production solutions.
• Engineer Production-Ready Systems: design, build, test, and maintain software with ML/AI; develop APIs and enterprise integrations; build user-facing AI-enabled apps; create reusable components.
• Operationalize Machine Learning: develop training, deployment, evaluation, monitoring, and retraining workflows; establish CI/CD standards; implement observability and controls; ensure reliability and cost efficiency.
• Partner Across Enterprise AI: collaborate with Product Managers, Data Scientists, Architects, Security, and Platform teams; contribute to governance and patterns; prototype emerging AI technologies and guide adoption.

Skills

Python

APIs & microservices design

Distributed systems

Cloud concepts

Testing & CI/CD

Education

Bachelor’s degree in Computer Science or related field

Tools

Azure

OpenAI / Azure OpenAI

Job description

Post Holdings, Inc. seeks an experienced software engineer to build AI-powered business solutions in a hybrid role based in St. Louis. You will develop predictive and generative AI applications, design agentic workflows, and partner with stakeholders to deliver scalable enterprise AI features.

You will engineer production-ready systems, deploy ML models, and implement CI/CD, observability, and security controls. A strong background in Python and APIs is essential for success.