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163 ai developer jobs at 67 companies in O'Fallon, MO

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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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Agentic AI Developer
O'Fallon, Illinois, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years software development experience, proficiency with Python, experience with large language models, embeddings, vector databases, AI agents, and ability to obtain a Secret security clearance; bachelor’s degree required.
Python, Retrieval-Augmented Generation (RAG)
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3mo
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AI Engineer
O Fallon, Missouri, United States
OnsiteFull Time
Automotive Product Consultants
Automotive Product Consultants: Provides sales, finance, and insurance services to automotive dealerships.
2+ YOEBachelor's in CS/Data Science/AI or related; 2+ years AI/ML; Python; TensorFlow/PyTorch/scikit-learn; SQL; APIs; problem solving.
Python, TensorFlow, PyTorch, scikit-learn, SQL, Pandas, APIs, Cloud
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1mo
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AI Engineer
St. Louis or Atlanta
HybridFull Time
Equifax
EquifaxNew York Stock Exchange: EFX: Provides consumer credit reporting and data analytics services globally.
7+ YOE7+ years software engineering; strong AI/ML experience; LangChain/LangGraph; GCP; Kubernetes; Python/JavaScript/Java; DevSecOps/FinOps; CI/CD; SQL/NoSQL databases; cloud-native
LangChain, LangGraph, Google Cloud Platform, Kubernetes, Docker, Terraform, CloudFormation, GitHub Actions, Argo CD, Jenkins, SQL, PostgreSQL, MySQL, MongoDB, DynamoDB, Firestore, GitHub Copilot, Gemini, Claude, Llama, Langfuse, Vertex AI
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1mo
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Lead AI Engineer
O'Fallon, Missouri, United States
$140k-$231k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Lead AI Engineer with production AI/ML experience, strong Python, REST APIs, CI/CD, and cloud platforms (AWS, Databricks, Azure); leadership and mentoring.
Power Platform, Copilot Studio, AWS, Databricks, Python, RESTful APIs
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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
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1mo
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Applied AI Engineer, Founding Team
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City 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 San Francisco or Morristown 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 Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$63k-$219k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years in software engineering/AI/enterprise tech; 1+ year building hybrid retrieval systems and agentic AI (Claude/Anthropic); experience with MCP servers; ability to translate AI concepts; Bachelor's degree or equivalent.
Anthropic, Claude, Model Context Protocol (MCP), Oracle 23ai, Oracle, Oracle Cloud Infrastructure (OCI), EPM, ERP
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3mo
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AI Developer (Entry Level)
Charlotte or Dallas or Jersey City or Pennington or St Louis or Georgia or Missouri or New Jersey or North Carolina
$68k-$74k/yr OnsiteFull Time
Wipro
WiproNYSE: WIT: Global technology services and consulting for digital transformation.
Recent STEM master's graduate preferred (3.0+ GPA); strong communication, analytical and problem-solving skills; ability to design, code, test, and document software; familiarity with programming, cloud applications, and GenAI concepts is a plus.
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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
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1mo
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AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
2+ YOEExperience building and securing AI-enabled applications; hands-on in app security, AI security risks, vulnerability management, and secure-by-design practices.
C#, Angular, Python, AWS, GitHub, SAST, DAST, SCA, API Security, Mobile Security, Red Team, AI Tools
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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)
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4d
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Software Engineer 2 (Backend AI)
Earth City or Atlanta or Hopkins or Denver or Cincinnati or Brookfield or Irving
$98k-$116k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
3+ YOE3+ years software engineering experience, BS or equivalent, experience with full-stack development, cloud-native and DevOps practices, AI/GenAI familiarity preferred, strong communication and problem-solving skills.
Java, Python, Spring Boot, FastAPI, Node.js, REST APIs, GraphQL, Microservices, Azure, AWS, Azure OpenAI, AWS Bedrock, LLM APIs, LangChain, LangGraph, Semantic Kernel, Docker, Kubernetes, CI/CD Pipelines, GitHub, GitHub Copilot, SQL Server, PostgreSQL, MongoDB, Vector Databases, Embedding Models, RAG
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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
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1mo
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AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel
StifelNYSE: SF: Global wealth management and investment banking firm.
2+ YOEMinimum 2+ years information security or software development; bachelor’s degree in CS/IS/Cybersecurity/Software Engineering; CISSP/CSSLP/GIAC or similar preferred.
SAST, DAST, SCA, API security, Mobile security, Python, AWS, CI/CD, GitHub, C#, Angular
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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
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2mo
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NGA AI Engineer Manager
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 Silicon Valley or Seattle or Spartanburg or Albany or Miami or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$74k-$212k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
4+ YOELead data and analytics engineering projects; 4+ years experience; master's degree preferred; strong leadership and client management.
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2mo
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Senior Agentic AI UI Devleoper
Springfield or Saint Louis
$148k-$267k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOE10+ years software development; 5+ years web services/UI; BS in CS or related field; JavaScript and Python; RESTful APIs; XML/Java; Secret clearance; Python and AI integration experience.
JavaScript, Python, REST, XML, Java, React, Vue, Angular
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3mo
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Sr AI Engineer / Data Scientist
Chesterfield, Missouri, United States
RemoteFull Time, Contract
Koantek
Koantek: Systems integrator delivering Databricks-powered data and AI solutions.
4+ YOE4+ years hands-on experience building, deploying, and managing ML models in production; strong client-facing delivery mindset; expertise in ML, MLOps, GenAI/NLP.
Docker, Databricks, MLOps, LLMs, NLP, Apache Spark, CI/CD
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2w
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Software Engineer - AI (Top Secret Clearance Required)
Alexandria or Chantilly or Gaithersburg or Saint Louis
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
Active Top Secret clearance (TS) required, bachelor’s in CS/Engineering, DoD 8570 IAT Level II/III (e.g., Security+), proficiency in Python, cloud (AWS) architecture, CI/CD, CloudFormation/Terraform, and database development.
Python, GitLab, Jenkins, AWS CloudFormation, Terraform, PostgreSQL, Zabbix, ACAS, Jira, Confluence, RocketChat, AWS, Windows, Linux
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1mo
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Software Developer
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$105k-$237k/yr HybridFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's in CS/related (or equivalent) and 5+ years enterprise app development/AI/cloud engineering experience; strong C#, .NET, Azure, AI implementation, CI/CD, and cloud-native backend skills.
C#, .NET Core, .NET 8, ASP.NET, Azure App Services, Azure Web Apps, Azure Functions, Durable Functions, Azure Service Bus, Azure SQL Database, Docker, Azure Application Insights, Azure DevOps, GitHub Actions, Git, Azure AI Foundry, Azure OpenAI, Copilot Studio, Entra ID
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1mo
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Data & AI Strategist
Chicago or Minneapolis or St. Louis
$133k-$166k/yr OnsiteFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
7+ YOE7+ years in consulting or enterprise strategy, 3+ years focused on AI/data, experience developing enterprise AI/data strategies, familiarity with governance, modern data platforms, cloud ecosystems, and senior stakeholder engagement.
Azure, AWS, Databricks, Snowflake, OpenAI, Google Cloud, Power BI, Tableau, SQL, Python, Electronic Medical Records (EMR)
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