19 llm engineer jobs at 15 companies in Ballwin, MO

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
3mo
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Senior DevOps Engineer
Chicago or Dallas or Champaign or Kansas City or St. Louis
$132k-$155k/yr HybridFull Time
Aviatrix
Aviatrix: Provides secure multi-cloud networking and cloud-native network security.
5+ YOE5+ years DevOps/infrastructure experience; Terraform expertise; AI/LLM integrations; MCP; CI/CD platforms; cloud (AWS/GCP/Azure); strong networking knowledge.
Terraform, AWS, GCP, Azure, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CircleCI, ArgoCD, Flux, Python, Bash, Go, Datadog, Prometheus, Grafana, OpenTelemetry, Model Context Protocol, LLM APIs
3mo
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Principal Software Engineer-Agentic AI
St Louis or Houston or Raleigh
$115k-$192k/yr OnsiteFull Time
RELX
RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.
Agentic AI systems, LLMs, orchestration (LangChain/OpenAI), tool-augmented agents, prompt engineering, AI governance, scalable architectures.
LangChain, OpenAI APIs, vector databases, embeddings
2d
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Machine Learning Engineer II
Saint Charles, Missouri, United States
RemoteFull Time
Eurofins Scientific
Eurofins ScientificEuronext Paris: ERF: Global provider of analytical testing and laboratory services.
2+ YOEDegree in CS/data science/computational chemistry/bioinformatics, 2+ years building and deploying production AI-enabled applications, programming in Python and TypeScript, experience with FastAPI, React, Streamlit, LLM fine-tuning, cloud (Azure/AWS), containerization (Docker,Kubernetes), and domain knowledge in cheminformatics/bioinformatics. Must ...
Python, TypeScript, FastAPI, React, Streamlit, Azure, AWS, Docker, Kubernetes, Nextflow, PyTorch, LLM
3mo
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Principal Software Engineer-Agentic AI
St Louis or Houston or Raleigh
$115k-$192k/yr OnsiteFull Time
Elsevier
ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.
Agentic AI design and integration, LLMs, orchestration (LangChain/OpenAI), tool-augmented agents, prompt engineering, AI governance, and scalable, reliable AI architectures.
LangChain, OpenAI APIs, LLMs, vector databases, retrieval systems, memory systems, RAG, function calling, prompt engineering
2d
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Integration QA Engineer
St Louis, Missouri, United States
OnsiteFull Time
Oneview Healthcare
Oneview HealthcareASX: ONE: Sells digital patient engagement and clinical workflow software.
5+ YOE5+ years QA or integration testing experience; expertise testing APIs/integration engines, CI/CD, SQL, cloud platforms; experience with Jira and test management; healthcare standards knowledge desirable.
REST, SOAP, Mirth Connect, HL7, FHIR, TestRail, Jira, Octopus, CI/CD, SQL, AWS, Azure, LLM
1mo
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AI Engineer
St. Petersburg or Detroit or St. Louis or Richmond or Raleigh or Dallas or Indianapolis or Minneapolis
RemoteFull Time
Kobie
Kobie: Designs and manages customer loyalty programs for global brands.
3+ YOE3+ years professional Python, 1+ year LLMs in production, experience with LangChain/LangGraph or similar, observability tools (CloudWatch, LangSmith, Langfuse, MLflow, OpenTelemetry), Git and Docker, SQL and Snowflake experience preferred.
Python, LangChain, LangGraph, Pydantic, JSON Schema, Amazon AgentCore, AgentCore Runtime, AgentCore Evaluations, AgentCore Strands, CrewAI, Semantic Kernel, Amazon Bedrock, Snowflake, Snowpark, Snowflake Cortex, SQL, Amazon CloudWatch, LangSmith, Langfuse, MLflow, OpenTelemetry, Git, Docker, awscli
2mo
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Forward Deployment AI Engineer
Denver or St. Louis or Indianapolis
$120k-$150k/yr FieldFull Time
Lyra Technology Group
Lyra Technology Group: Operates a global portfolio of managed IT service providers.
2+ YOEBachelor's degree,2+ years software/AI engineering or technical consulting,proficiency in Python and REST APIs,experience with LLM APIs (OpenAI, Anthropic, Gemini),knowledge of RAG and agent patterns,strong communication.
Python, REST APIs, LangChain, LangGraph, AutoGen, OpenAI, Anthropic, Gemini, Zapier, Make, n8n, Pinecone, Weaviate, Chroma
2d
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Lead Software Engineer
O'Fallon, Missouri, United States
HybridContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
Bachelor's in CS/IS, strong full-stack Java, API, Angular, React skills; experience with Agentic frameworks, MCP and LLM integrations; Qlik Sense and data architecture experience; strong analytical and communication skills.
Java, APIs, Angular, React, Agentic Frameworks, MCP, LLMs, Qlik Sense, Tableau, Power BI, WebFocus, Hadoop, Kafka
2mo
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GenAI Python Systems Engineer-Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Houston or Irvine or Jacksonville or Kansas City or Los Angeles or Louisville or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or Los Angeles or New York or Portland or Philadelphia or San Antonio or Denver or Des Moines or Indianapolis or Irvine or Fresno or Hartford or Tampa or Miami or San Francisco or Washington or New York or Portland or Philadelphia or Phoenix or Pittsburgh or Seattle or Denver or Portland or New York
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
5+ YOE5 years of experience in data, analytics, and AI; proficient in Python and SQL; Docker experience; cloud (AWS/Azure/GCP); AI/LLM techniques; prompt engineering; DevOps with cloud services; travel up to 80%
Python, SQL, Docker, AWS, Azure, GCP, Terraform, CloudFormation
1mo
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AI/ML Engineer
Arlington or O'Fallon
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years building production ML solutions (LLMs/agents), 3+ years in data science, 3+ years with AWS/Azure, 2+ years with Docker/Kubernetes, ability to obtain Secret clearance, Bachelor's degree required.
AWS, Azure, Docker, Kubernetes, LangChain, LangGraph, PydanticAI, llamaindex, Grafana, Langfuse, LangSmith, Phoenix, TensorFlow, PyTorch, llama.cpp, vLLM, Kafka, Red Panda, Confluent
1mo
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Knowledge Engineer Specialist
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York or Cleveland or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Carmel or Arlington or Atlanta or Beaverton or Nashville or Detroit or San Diego
$54k-$206k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
2+ YOEBachelor's degree or equivalent experience; minimum 2 years experience in knowledge graph technologies, schema/ontology design, or graph-based solutions; experience with data pipelines and databases; ability to lead teams and work with clients.
RDF, SPARQL, LPG, SHACL, Stardog, Neo4J, Amazon Neptune, AWS, Azure, GCP, Python, Tensorflow, PyTorch, Apache NiFi, Airflow, LLM
1mo
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Agentic AI Developer
O'Fallon, Illinois, United States
$99k-$225k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years software development experience, Python, software design patterns, LLM application development, embeddings/vector DBs/semantic search, agent planning and AI safety knowledge, ability to obtain Secret clearance, Bachelor's degree.
Python, large language models, vector databases, Retrieval-Augmented Generation (RAG)
1mo
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Knowledge Engineer / Semantic Expert for AI Sr Manager
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$113k-$338k/yr RemoteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
4+ YOE6+ MgmtBachelor's degree or equivalent (or Associate's with experience). Requires 4+ years designing knowledge-graph solutions, 3+ end-to-end AI data pipelines, 6+ years with graph/DB technologies and schema/ontology design, plus managerial experience and expertise in generative AI/LLMs.
Stardog, Neo4J, Amazon Neptune, RDF, SPARQL, LPG, SHACL, LLMs, Python, Tensorflow, PyTorch, Apache NiFi, Airflow, AWS, Azure, GCP
4d
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AI Engineering Lead
Columbia, Illinois, United States
HybridFull Time
Automotive Product Consultants
Automotive Product Consultants: Provides sales, finance, and insurance services to automotive dealerships.
Proven experience integrating LLMs into production, prompt engineering, RAG, Python or .NET (C#), vector DBs, cloud AI services, and leading cross-functional AI programs.
Anthropic Claude, OpenAI, Claude Code, GitHub Copilot, Python, .NET (C#), Pinecone, pgvector, AWS Bedrock, Amazon SageMaker, Twilio, Amazon Connect, IVR
3w
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US Tech - AI Engineering Senior Associate
Tampa or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or San Jose or Seattle or Spartanburg or Albany or Stamford or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Grand Rapids or Indianapolis or Irvine or Jacksonville or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or United States or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Montpelier or Nashville or New Orleans or United States or New York City or Oklahoma City or Orlando or Philadelphia or Phoenix or Pittsburgh or Portland
$55k-$151k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's in CS or related, 2+ years in data/AI/quality engineering, experience with test automation and CI/CD, familiarity with LLMs and prompt engineering, building automated test suites and evaluating AI agents.
CI/CD, LLMs, Microsoft Power Automate
2mo
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Technical Lead - Site Reliability Engineering
Saint Louis, Missouri, United States
OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
10+ YOESenior SRE/Platform Engineer with 10+ years of hands-on experience in Azure, Kubernetes, observability, and security; strong leadership and collaboration.
Azure, AKS, Azure Container Apps, Virtual Machines, Virtual Networking, Azure managed services, Kubernetes, Linux, Datadog, Prometheus, Grafana, ELK, OpenTelemetry, SRE, AWS, Terraform, CloudFormation, Generative AI, LLM
1mo
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Senior AI Security Technical Architect
Tempe or St. Louis or Arizona or Missouri or United States
HybridFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
12+ YOEBachelor's degree or equivalent experience; 12+ years in cybersecurity engineering/architecture; 4+ years securing AI/ML systems; experience with LLMs, RAG, ML pipelines, cloud security (Azure/AWS/GCP); strong communication and enterprise influence skills.
Azure, AWS, GCP, NIST AI Risk Management Framework (AI RMF), MITRE ATLAS, CIS, ISO 27001, LLM, Retrieval-Augmented Generation (RAG), vector databases
5d
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Artificial Intelligence Architect (Senior or Lead)
Arlington or North Charleston or Everett or Seal Beach or Hazelwood or Ridley Park or Renton or El Segundo or Mesa
$143k-$250k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ years in data engineering/software development and enterprise architecture; 3+ years AI/ML and LLM experience; cloud platform experience (AWS/GCP/Azure); programming in C++, Java, JavaScript, Perl, Python, Visual Basic; strong communication and problem solving.
Deep Learning, Natural Language Processing (NLP), Computer Vision, Generative AI, Large Language Model/Retrieval-Augmented Generation (LLM/RAG), AWS, Google Cloud Platform, Azure, C++, Java, JavaScript, Perl, Python, Visual Basic
1mo
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Content Automation and GenAI - Consulting and Delivery Manager
New York City or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$266k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
7+ YOE7+ years client-facing consulting or digital transformation experience; hands-on experience evaluating/applying content automation or GenAI tools and delivering GenAI POCs; strong understanding of LLM concepts, prompt engineering, safety/responsible AI, content operations, and team leadership.
OpenAI, Google Gemini, M365 Copilot, Writer, FireFly, ChatGPT, Adobe Workfront, AEM, CMS, DAM, PIM