Sr AI/ML Engineer local to St. Louis, MO
Saint Louis, MO · On-site
$99K - $136K/yr
... Vector databases (OpenSearch, Pinecone, pgvector) - AWS services (Aurora PostgreSQL, SSM, IAM, EKS) - Telecommunications or field service domain experience
Saint Louis, MO · On-site
$99K - $136K/yr
... Vector databases (OpenSearch, Pinecone, pgvector) - AWS services (Aurora PostgreSQL, SSM, IAM, EKS) - Telecommunications or field service domain experience
Saint Louis, MO · On-site
$99K - $136K/yr
... Vector databases (OpenSearch, Pinecone, pgvector) - AWS services (Aurora PostgreSQL, SSM, IAM, EKS) - Telecommunications or field service domain experience
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases like Qdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
New
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases like Qdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
New
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases likeQdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases likeQdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases like Qdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
Saint Louis, MO · On-site
$110K - $165K/yr
Medical
Retirement
PTO
Vector Databases like Qdrant Nice to have Skills: * Experience with Kubernetes and container orchestration. * Familiarity with event-driven architectures and messaging platforms such as Kafka.
Saint Louis, MO · On-site
$99K - $136K/yr
... Vector databases (OpenSearch, Pinecone, pgvector) - AWS services (Aurora PostgreSQL, SSM, IAM, EKS) - Telecommunications or field service domain experience
New
Saint Louis, MO · On-site
$99K - $136K/yr
... Vector databases (OpenSearch, Pinecone, pgvector) - AWS services (Aurora PostgreSQL, SSM, IAM, EKS) - Telecommunications or field service domain experience
New
Saint Louis, MO · On-site
LLM integration via Anthropic Claude API, OpenAI, or AWS Bedrock RAG architectures, vector databases (OpenSearch, Pinecone, pgvector) Model serving, inference optimization, prompt engineering Spring ...
Saint Louis, MO · On-site
LLM integration via Anthropic Claude API, OpenAI, or AWS Bedrock RAG architectures, vector databases (OpenSearch, Pinecone, pgvector) Model serving, inference optimization, prompt engineering Spring ...
Saint Louis, MO · On-site
$140K - $170K/yr
Medical
Dental
Vision
Life
Retirement
PTO
... with vector databases (e.g., OpenSearch k-NN), or building AI-driven data products. • Experience with Debezium for CDC and Vector (by Datadog) for observability and data routing. • Proven ...
Saint Louis, MO · On-site
$140K - $170K/yr
Medical
Dental
Vision
Life
Retirement
PTO
... with vector databases (e.g., OpenSearch k-NN), or building AI-driven data products. • Experience with Debezium for CDC and Vector (by Datadog) for observability and data routing. • Proven ...
$140K - $170K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Applied knowledge of integrating AI/ML models into data pipelines, working with vector databases (e.g., OpenSearch k-NN), or building AI-driven data products. * Experience with Debezium for CDC and ...
Quick apply
$140K - $170K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Applied knowledge of integrating AI/ML models into data pipelines, working with vector databases (e.g., OpenSearch k-NN), or building AI-driven data products. * Experience with Debezium for CDC and ...
Medical
Dental
Vision
Retirement
PTO
Familiarity with vector databases (Pinecone, Weaviate, Chroma) and embedding pipelines * Exposure to low-code/no-code tools alongside custom-code solutions * Prior client-facing, consulting, or ...
Medical
Dental
Vision
Retirement
PTO
Familiarity with vector databases (Pinecone, Weaviate, Chroma) and embedding pipelines * Exposure to low-code/no-code tools alongside custom-code solutions * Prior client-facing, consulting, or ...
Saint Louis, MO · On-site
$120K - $150K/yr
Medical
Dental
Vision
Retirement
PTO
Familiarity with vector databases (Pinecone, Weaviate, Chroma) and embedding pipelines * Exposure to low-code/no-code tools alongside custom-code solutions * Prior client-facing, consulting, or ...
Saint Louis, MO · On-site
$120K - $150K/yr
Medical
Dental
Vision
Retirement
PTO
Familiarity with vector databases (Pinecone, Weaviate, Chroma) and embedding pipelines * Exposure to low-code/no-code tools alongside custom-code solutions * Prior client-facing, consulting, or ...
Saint Louis, MO · On-site
$54.25 - $71.75/hr
... vector databases. • Experience integrating Kafka with cloud-native data services. • Experience working in large-scale enterprise environments. Company : eTeam is a staffing agency that also ...
Saint Louis, MO · On-site
$54.25 - $71.75/hr
... vector databases. • Experience integrating Kafka with cloud-native data services. • Experience working in large-scale enterprise environments. Company : eTeam is a staffing agency that also ...
Experience applying or discussing GenAI security in real enterprise contexts, including RAG (Retrieval-Augmented Generation) concepts and vector databases / indexing approaches. * Exposure to CASB ...
Experience applying or discussing GenAI security in real enterprise contexts, including RAG (Retrieval-Augmented Generation) concepts and vector databases / indexing approaches. * Exposure to CASB ...
O Fallon, MO · Hybrid
$97K - $134K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Build production-grade RAG and Graph-RAG systems integrating vector databases (Pinecone, pgvector, OpenSearch) and knowledge graphs (Neo4j, AWS Neptune) for semantic retrieval, entity-aware reasoning ...
O Fallon, MO · Hybrid
$97K - $134K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Build production-grade RAG and Graph-RAG systems integrating vector databases (Pinecone, pgvector, OpenSearch) and knowledge graphs (Neo4j, AWS Neptune) for semantic retrieval, entity-aware reasoning ...
Saint Louis, MO · On-site
$62 - $81.75/hr
... vector databases and RAG architectures Experience working in large-scale enterprise environments Job Title: Kafka Expert with Agentic AI Skills Role Summary: Seeking a Kafka expert with experience in ...
Saint Louis, MO · On-site
$62 - $81.75/hr
... vector databases and RAG architectures Experience working in large-scale enterprise environments Job Title: Kafka Expert with Agentic AI Skills Role Summary: Seeking a Kafka expert with experience in ...
O Fallon, MO · On-site
$97K - $134K/yr
Medical
Dental
Vision
Life
Retirement
PTO
... vector databases (Pinecone, pgvector, OpenSearch) and knowledge graphs (Neo4j, AWS Neptune) for semantic retrieval, entity-aware reasoning, and grounded generation. • Lead LLM fine-tuning, prompt ...
O Fallon, MO · On-site
$97K - $134K/yr
Medical
Dental
Vision
Life
Retirement
PTO
... vector databases (Pinecone, pgvector, OpenSearch) and knowledge graphs (Neo4j, AWS Neptune) for semantic retrieval, entity-aware reasoning, and grounded generation. • Lead LLM fine-tuning, prompt ...
$99K - $232K/yr
Medical
Dental
Vision
Retirement
PTO
... with vector databases and semantic search architectures - Translating complex business problems into AI solution designs - Contributing to business development and proposal writing - Cloud ...
$99K - $232K/yr
Medical
Dental
Vision
Retirement
PTO
... with vector databases and semantic search architectures - Translating complex business problems into AI solution designs - Contributing to business development and proposal writing - Cloud ...
Familiarity with Retrieval-Augmented Generation (RAG) pipelines and vector databases/hybrid search. * Experience with performance tuning, reusable library creation, and advanced troubleshooting.
Familiarity with Retrieval-Augmented Generation (RAG) pipelines and vector databases/hybrid search. * Experience with performance tuning, reusable library creation, and advanced troubleshooting.
Saint Louis, MO · On-site
Medical
Dental
Vision
Retirement
PTO
Experience applying or discussing GenAI security in real enterprise contexts, including RAG (Retrieval-Augmented Generation) concepts and vector databases / indexing approaches. * Exposure to CASB ...
Saint Louis, MO · On-site
Medical
Dental
Vision
Retirement
PTO
Experience applying or discussing GenAI security in real enterprise contexts, including RAG (Retrieval-Augmented Generation) concepts and vector databases / indexing approaches. * Exposure to CASB ...
Maryland Heights, MO · On-site
$137.76 - $179.09/hr
Medical
Dental
Vision
Life
Retirement
Evaluate AI frameworks, agents, vector databases, and third-party AI platforms for security posture.* Recommend and rationalize AI security tooling as part of the enterprise security strategy.
Maryland Heights, MO · On-site
$137.76 - $179.09/hr
Medical
Dental
Vision
Life
Retirement
Evaluate AI frameworks, agents, vector databases, and third-party AI platforms for security posture.* Recommend and rationalize AI security tooling as part of the enterprise security strategy.
Earth City, MO · On-site
$98 - $116/hr
Medical
Dental
Vision
Life
Retirement
PTO
Leveraged vector databases, SQL Server, PostgreSQL, MongoDB, and related data technologies to support AI-driven solutions and scalable applications. Implemented containerization and orchestration ...
Earth City, MO · On-site
$98 - $116/hr
Medical
Dental
Vision
Life
Retirement
PTO
Leveraged vector databases, SQL Server, PostgreSQL, MongoDB, and related data technologies to support AI-driven solutions and scalable applications. Implemented containerization and orchestration ...
| Aspect | Vector Databases | Data Engineers |
|---|---|---|
| Required Skills | Database management, data modeling, query optimization | Data pipeline development, ETL processes, programming |
| Work Environment | Data storage systems, AI/ML projects, cloud platforms | Data infrastructure, cloud environments, big data tools |
| Industry Usage | AI, machine learning, recommendation systems | Data integration, analytics, data architecture |
While Vector Databases focus on storing and querying high-dimensional vector data for AI applications, Data Engineers build and maintain data pipelines and infrastructure to support data analysis and machine learning workflows. Both roles are essential in data-driven industries but serve different functions within the data ecosystem.
For Vector Databases jobs in Saint Charles, MO, the most frequently searched job titles are:
The top searched job categories for Vector Databases jobs in Saint Charles, MO are:

$99K - $136K/yr
Other
Posted 4 days ago
We are looking for a skilled AI/ML Developer to join our agentic platform team. You will design, develop, and deploy LLM-powered agents and pipelines that directly serve field technicians in production. You will work closely with the platform architect and contribute to the core multi-agent orchestration system.
Required Skills & Experience
Must-Have
- 10+ years of software development with strong Python expertise in production environments
- 2+ years hands-on LLM development (LangChain, LangGraph, or equivalent frameworks)
- RAG pipeline experience - embeddings, vector search, re-ranking, answer generation
- LLM APIs - OpenAI Chat Completions, Responses API, streaming, tool calling
- Async Python - asyncio, httpx, FastAPI
- Prompt engineering - system prompts, few-shot, structured JSON output
- Circuit breaker patterns, retry logic, resilient service design
- PostgreSQL and async ORMs (SQLAlchemy async / Alembic)
- Git, CI/CD, Docker, Kubernetes basics
- Strong system design skills - microservices, distributed systems, API design
Nice-to-Have
- LangGraph StateGraph (conditional edges, node pipelines, compiled graphs)
- Multi-agent systems - orchestration, routing, RBAC-based access control
- Langfuse or similar LLM observability (tracing, token usage, latency)
- WebSocket and SSE streaming protocols
- Multi-modal AI (vision models, image analysis)
- Vector databases (OpenSearch, Pinecone, pgvector)
- AWS services (Aurora PostgreSQL, SSM, IAM, EKS)
- Telecommunications or field service domain experience