Jobs

Sr. AI & Machine Learning Engineer

Post Holdings

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Location
St. Louis, MO, United States
Track
AI Agent Engineer
Level
Senior
Posted
October 15, 2026
Source
Indeed

Job description

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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