24 ai systems engineer jobs at 16 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
PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1w
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Systems Engineer (Hiring Event)
Saint Louis or Springfield
$109k-$187k/yr OnsiteFull Time
National Geospatial-Intelligence Agency
National Geospatial-Intelligence Agency: Provides geospatial intelligence to support United States national security.
4+ YOEMinimum 4 years of IT/systems engineering experience, SDLC and configuration management experience, ability to capture requirements and manage integration, U.S. citizenship and ability to obtain Top Secret/SCI clearance.
SDLC, configuration management database, ITIL, Agile, SAFe, Waterfall, Spiral, GIS, Cloud, Artificial Intelligence
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
1mo
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Lead AI Engineer
O Fallon or Arlington or Purchase
$140k-$231k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience designing and deploying production-grade AI systems; lead multi-agent, tool-using architectures; strong cross-functional leadership; production observability and governance.
Copilot Studio, Azure AI Foundry, Salesforce Agentforce, Microsoft Power Platform
1d
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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
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
3w
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AI Red Team Lead Engineer
Minneapolis or Atlanta or Cincinnati or New York City or Chicago or Gresham or Charlotte or Irving or Earth City
$133k-$157k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
8+ YOE8+ years experience in information security or red teaming; bachelor’s degree or equivalent; experience testing/securing AI/ML systems preferred; strong communication, leadership, and analytical skills.
Python, PowerShell, Go, C/C++, Shell, EDR/XDR
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
3w
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Agentic AI Architect - Intelligence Engineering (Central)
Austin or Chicago or Columbus or Dallas or Detroit or Houston or Indianapolis or Kansas City or Minneapolis or Nashville or St. Louis
$108k-$200k/yr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
5+ YOE5+ years software engineering experience with 2+ years focused on generative/agentic AI; experience designing multi-agent systems, RAG, cloud AI platforms, Python, API frameworks, evaluation/observability, and leading small teams.
Amazon Web Services, Azure, Google Cloud, AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Python, FastAPI, Flask, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, LangSmith, RAGAS, DeepEval, Claude Code, Cursor, Kiro, AutoGen, CrewAI, Semantic Kernel, Model Context Protocol (MCP)
2w
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Test Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
4+ YOEActive security clearance required; 4+ years test engineering experience; knowledge of DevSecOps, Agile/SAFe, AI model use, geospatial systems, vendor coordination, and delivering complex technology assignments.
Linux, Java, JavaScript, Python, Docker, OpenShift, Kubernetes, AWS Services, GitLab, Apache Spark, Glue, Parquet, JSON, XML, Argo Workflows, Boundless Spatial, Remote View, PostGRES/PostGIS, Oracle Spatial, ArcGIS Desktop, ArcGIS Server, Image Server, File Geodatabases, KML, KMZ, NITF, TIFF, JPEG, GeoPDF, PHP, C, C++, C#, Perl
1mo
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Senior Insider Risk & AI Security Analyst/ Engineer IV
Arizona or Tempe or Missouri or St. Louis or United States
HybridFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
5+ YOE5+ years in information systems security/IT with security controls; experience monitoring AI/ML platforms and telemetry; familiarity with UEBA, DLP, SIEM/SOAR; ability to investigate alerts, perform digital forensics, and translate AI risks for stakeholders.
Gurucul, XSOAR, Microsoft Purview, Proofpoint, Zscaler, SIEM, SOAR, UEBA, DLP
3w
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GTM Engineer
St. Louis, Missouri, United States
$90k-$120k/yr OnsiteFull Time
DealMachine
DealMachine: Software for real estate investors to find off-market property deals.
Experience building automated GTM systems using AI, data enrichment, and workflow automation; background at a data company (e.g., Apollo, ZoomInfo); outbound campaign, CRM integration, and customer-facing communication skills.
Apollo, ZoomInfo, CRM
2mo
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Software Engineer - Frontend
Florissant, Missouri, United States
OnsiteFull Time
Augustine Institute
Augustine Institute: Provides Catholic theological education and media for faith formation.
Extensive experience building frontend architecture and design systems; React/Next.js web, React Native/Expo mobile; UI/UX optimization; scalable deployments; AI/SEO integration.
React, Next.js, React Native, Expo, Tailwind CSS, LaunchDarkly, New Relic, Mixpanel, Mux, Cloudflare Pages, Vercel, AWS Amplify, ECS, Fargate, EC2, S3, CloudFront, AI/SEO tooling
1mo
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Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
Cass Information Systems
Cass Information SystemsNASDAQ: CASS: Provides invoice processing and payment services for large corporations.
5+ YOE5+ years application development experience, expert C#/.NET and COBOL legacy experience, Microsoft SQL Server, Azure DevOps/GitHub, CI/CD, AI-assisted development, and ability to modernize legacy systems.
C#, .NET, COBOL, SQL, Microsoft SQL Server, GitHub, GitHub Actions, Azure DevOps, HP NonStop, CI/CD
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
3d
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Senior Manager - Blockchain Security & Digital Asset Infrastructure
New York or Charlotte or Chicago or St. Louis or Boston
$150k-$344k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
8+ YOEBachelor's in a technical field and 8+ years in cybersecurity, systems engineering, blockchain security or cryptographic research; hands-on custody and key-management experience; expertise in blockchain protocols, cryptography, incident response, and AI-enabled threat analysis.
Multi-Party Computation (MPC), Hardware Security Modules (HSMs), Bitcoin, Ethereum, Lightning Network, EVM, SHA-256, Keccak, ECDSA, Schnorr, Linux, Large Language Models (LLMs)
3w
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Software Engineering Senior Manager - Hybrid
St. Louis or Whitestown or North Burlington or Tempe or Bloomfield
$138k-$230k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
8+ YOE3+ Mgmt8+ years in software engineering or production systems, 3+ years leading technical teams; experience with enterprise production applications, cloud platforms (AWS or OpenShift), Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, incident management, and Agile delivery.
AWS, OpenShift, Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, Safire, Agile, AI