67 ai software engineer jobs at 37 companies in O'Fallon, 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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Lead AI Software Engineer- AI Enablement
O'Fallon, Missouri, United States
$140k-$231k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Senior software engineering with deep AWS/Azure, GenAI, and cloud platform experience. Strong SRE, performance engineering, and AI/ML knowledge.
AWS, Azure, SageMaker, Bedrock, AgentCore, Azure ML, Foundry, Databricks, S3, watsonx, GitHub Copilot, Amazon Q, Claude, CDK, Bicep, Terraform, Kubernetes
1mo
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AI Native Software Engineer
Arlington or Milwaukee or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or Pittsburgh or Hartford or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Los Angeles or Walnut Creek or Charlotte or Seattle or Carmel or Houston or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington or United States
$54k-$235k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years cloud-native engineering, 1+ year building/deploying agentic solutions, 1+ year with modern AI platforms, 3+ years Python/Java and IaC (Terraform, Helm); Bachelor's in CS/Engineering or equivalent experience; strong client communication.
Anthropic, Google, OpenAI, Vertex AI, Claude, Claude SDK, Open AI SDK, Lang-graph, Crew AI, Kubernetes, Docker, Terraform, Helm, Python, Java, CI/CD, GitHub
2mo
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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
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
1mo
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Software Engineer
Chesterfield, Missouri, United States
HybridFull Time
MiTek
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
4+ YOEDesign, build, and evolve software solutions; .NET/C#, SQL Server; React/Angular; Agile; AI tooling.
.NET, C#, React, Angular, SQL Server, Microsoft Azure, Entity Framework, Typescript, RabbitMQ, MassTransit, SonarQube, GitHub Copilot
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)
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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Forward Deployment AI Engineer
St. Louis, Missouri, United States
$120k-$150k/yr FieldFull Time
GadellNet
GadellNet: Providing managed IT services and technology solutions for businesses.
2+ YOEBachelor's in CS/Engineering/Info Systems, 2+ years software/AI/consulting experience, Python and REST API proficiency, experience with LLM APIs (OpenAI, Anthropic, Gemini), RAG and agent patterns, client-facing communication skills.
Python, REST APIs, OpenAI, Anthropic, Gemini, LangChain, LangGraph, AutoGen, Zapier, Make, n8n, Pinecone, Weaviate, Chroma
2d
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Senior Software Engineer
St. 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.
5+ YOE5+ years software development experience with C++/C#/ .NET, strong C++ fundamentals, Linux/Bash/Cron experience, cloud (Microsoft Azure/AWS/GCP), Git, CI/CD practices, and familiarity with AI-assisted coding tools.
C++, C#, .NET, Linux, Bash, Cron, Microsoft Azure, AWS, Google Cloud Platform (GCP), Git, GitHub Copilot, Microsoft Copilot, ChatGPT, Azure DevOps, GitHub Actions, Jenkins, AWS Lambda, Azure Functions, Docker, Kubernetes, Prometheus, Grafana, Datadog, Splunk, Microsoft Azure Monitor
3w
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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
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
14h
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Java AI Engineer
O'Fallon, Missouri, United States
$90k-$110k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
5+ YOE5+ years Java development with Spring Boot, Agentic AI experience, SQL with Oracle/PostgreSQL, REST API, event-driven architecture, CI/CD and Jenkins; Kafka and PCF exposure preferred.
Java, Spring Boot, Agentic AI, SQL, Oracle, PostgreSQL, REST, Event-Driven Architecture, CI/CD, Jenkins, Kafka, Pivotal Cloud Foundry
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.
2w
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Software Engineer I
Fenton, Missouri, United States
HybridFull Time
Maritz
Maritz: Provides business incentive, event, and loyalty management solutions.
1+ YOE1-2 years relevant experience or equivalent practical experience; knowledge of web frameworks, OOP, REST services, databases, basic cloud (AWS/GCP/OCI), secure coding, and AI-assisted development tools.
GitHub Copilot, Claude, AWS, GCP, OCI, REST
1w
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Principle Architect - Software/ AI Native Engineer
St. Louis, Missouri, United States
$140k-$170k/yr OnsiteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
12+ YOE12+ years experience designing cloud-native software and AI-native platforms; strong AWS knowledge; experience with AI platforms, developer platforms, API integration and AI governance.
Model Context Protocol (MCP), GitHub Copilot, Claude Code CLI, AI Foundry, Bedrock, OpenAI, Anthropic, LLM integrations, Agentic systems, AI orchestration frameworks, AWS
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
1mo
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Software Developer II - Provisioning (Full Stack, Front End)
United States or Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Provides enterprise software solutions for utility and broadband cooperatives.
5+ YOE5+ years software development experience; proficiency with Angular, TypeScript, Java, Postgres/Oracle, MongoDB, AWS, Kubernetes, Spring Boot, Kafka; experience with Git, JIRA, Confluence, CI tools and agentic AI coding tools; Bachelor’s preferred.
Angular, TypeScript, GWT, Java, Postgres, Oracle, MongoDB, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, Claude Code, Augment, Jetbrains Junie, GitHub Copilot, Cursor, OpenAI Codex, Spark, Databricks, .NET, SQL
1mo
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ERP AI Engineer - Senior Associate
Atlanta or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland 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 San Jose or San Juan or Seattle or Spartanburg or Albany or Stamford or Tampa 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 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
$77k-$202k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
3+ YOEBachelor's in a quantitative field, 3+ years developing AI/ML systems or integrating AI into software, experience with Oracle data/analytics tools, Docker/Kubernetes, CI/CD, vector DBs and model fine-tuning; strong critical thinking and client skills.
Oracle Database, Oracle Analytics Cloud, Oracle Data Integrator, Oracle Data Visualization, Oracle Machine Learning, Docker, Kubernetes, CI/CD, LLMs, vector databases, embedding models
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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Senior Software Engineer - GoLang and Python
St. Louis or Missouri or Minnesota or Nebraska or Kansas or Iowa
$88k-$157k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
Extensive experience with Python and Go, API design (REST,gRPC), GKE/GCP, microservices, CI/CD, DevOps, IaC (Terraform), SQL, Git, observability, messaging (Kafka, Pub/Sub), and integrating AI/MCP into systems.
Python, GoLang, REST, gRPC, Google Kubernetes Engine, Google Cloud Platform, Model Context Protocol (MCP), Datadog, OpenTelemetry, SQL, Git, GitHub, GitLab, Terraform, Apache Kafka, Google Pubsub, AWS SNS/SQS, Istio