Senior Java AI Architect: Enterprise LLM & AI Systems

Openkyber; Alaska; Hybrid; USD 170,000 - 260,000; Full time

Job summary

Openkyber is seeking a Senior Core Java AI Architect in Saint Louis, MO with hybrid work. You will design and build enterprise-grade AI-enabled microservices using Java 21+, Spring Boot, and sophisticated LLM integrations.

Expertise in event-driven architectures, REST/GraphQL APIs, and gRPC is required to deliver scalable AI/ML solutions. You will work with cutting-edge tools like OpenAI, Anthropic Claude API, AWS Bedrock, and vector databases (OpenSearch, Pinecone, pgvector) to optimize model

Qualifications

• Experience with Agentic AI / multi-agent frameworks at enterprise scale.
• LLM integration via Claude API, OpenAI, or AWS Bedrock RAG architectures.
• Vector databases (OpenSearch, Pinecone, pgvector)
• Model serving, inference optimization, prompt engineering.
• Spring AI, Langgraph, Google ADK, A2A, MCP.
• Prompt Engineering, prompt caching, token optimization.
• AWS

Responsibilities

• Design and implement AI-enabled core Java microservices for enterprise AI workloads.
• Integrate LLMs and multi-agent agents across scalable architectures.
• Develop and optimize data pipelines for vector databases and model serving.
• Collaborate with teams on API design (REST/GraphQL) and event-driven patterns.
• Evaluate and implement AI/ML deployment best practices on AWS Bedrock / Anthropic/OpenAI.

Skills

Java 21+

Spring Boot

Spring AI Microservices

Event-driven

Kafka

SQS/SNS

REST API design

GraphQL API design

gRPC

Enterprise architecture

AI/ML integration

Tools

OpenAI

Anthropic Claude API

AWS Bedrock

OpenSearch

Pinecone

pgvector

Langgraph

Google ADK

A2A

Job description

Openkyber is seeking a Senior Core Java AI Architect in Saint Louis, MO with hybrid work. You will design and build enterprise-grade AI-enabled microservices using Java 21+, Spring Boot, and sophisticated LLM integrations.

Expertise in event-driven architectures, REST/GraphQL APIs, and gRPC is required to deliver scalable AI/ML solutions. You will work with cutting-edge tools like OpenAI, Anthropic Claude API, AWS Bedrock, and vector databases (OpenSearch, Pinecone, pgvector) to optimize model