Post Holdings
Sr. AI & Machine Learning Engineer
Skills
10 days ago
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Important information
Contract type:
Permanent, Temporary
Location:
St. Louis, MO, USA
Work mode:
Hybrid
Published on:
15 October 2026
What they need
Build AI-Powered Business Solutions
- Develop predictive, optimization, forecasting, recommendation, computer vision, and generative AI applications
- Design and implement agentic workflows, copilots, and intelligent applications
- Transform high-value business opportunities into scalable production solutions
- Work directly with business stakeholders to define requirements and measure outcomes
Engineer Production-Ready Systems
- Design, build, test, and maintain software applications that incorporate machine learning and AI capabilities
- Develop APIs, services, orchestration layers, and enterprise integrations
- Build user-facing applications that enable employees to interact with AI systems
- Create reusable components and frameworks that accelerate AI delivery across the enterprise
Operationalize Machine Learning
- Develop model training, deployment, evaluation, monitoring, and retraining workflows
- Establish engineering and CI/CD standards for AI application development
- Implement model observability, performance monitoring, and operational controls
- Ensure AI systems remain reliable, secure, maintainable, and cost effective
Partner Across Enterprise AI
- Collaborate with Product Managers, Data Scientists, Architects, Security, and Platform teams
- Contribute to enterprise AI standards, approved development patterns, and governance processes
- Evaluate and prototype emerging AI technologies, translating promising advances into practical, scalable business solutions
- Guide technology adoption by recommending where new AI capabilities fit within the architecture, roadmap, and business priorities
- Help establish repeatable practices that enable AI delivery at scale
- Mentor engineers and elevate AI engineering capabilities across the organization
Required:
- 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
Preferred:
- Master’s degree or PhD in Engineering, Computer Science, or a related technical field
- 5+ years of experience with data structures/algorithms
- 3+ years of experience in a technical leadership role leading project teams and setting technical direction
- Experience building generative AI applications using Azure OpenAI, OpenAI, Anthropic, or similar platforms
- Experience with AI agents, orchestration frameworks, and Retrieval-Augmented Generation (RAG)
- Experience with MLOps practices and machine learning lifecycle management
- Experience with React, TypeScript, or modern web application frameworks
- Experience with enterprise data platforms such as Snowflake, Databricks, or Fabric
- Experience working in manufacturing, supply chain, consumer goods, logistics, or enterprise operations
This is a hybrid role based in St. Louis, Missouri. In office days are Tuesdays, Wednesdays, and Thursdays.
#LI-hybrid
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