Sr Java Architect with strong Agentic AI and AI Implementation (Strong Architect experience) : Local preferred

Position : Sr Java Architect with strong Agentic AI and AI Implementation  (Strong Architect experience) : USA
Location : STL (St. Louis) – Onsite from Day 1
Type of Job : Contract : 12 Months
Experience : 15+ Years 

Must-Have Profile
The strongest candidate would be a Senior Java Architect / AI Architect with:
Java + AWS + Microservices + GenAI/LLM + Agentic AI + RAG + Vector DB + Prompt Engineering
The AI/Agentic AI experience is a critical differentiator here—not just traditional Java architecture.

Key Responsibilities
•    Design and architect enterprise-grade AI/ML-powered Java applications on AWS Cloud. 
•    Define technical standards, architecture patterns, and best practices for AI integration within Java ecosystems. 
•    Lead end-to-end architecture for microservices, APIs, and data pipelines supporting ML model serving. 
•    Conduct architecture reviews, threat modeling, and performance benchmarking. 
•    Mentor senior engineers and guide cross-functional teams on AI-first design principles. 
•    Work with Agentic AI / Multi-Agent frameworks at enterprise scale. 
•    Integrate LLMs using: 
o        Anthropic Claude API 
o        OpenAI 
o        AWS Bedrock 
•    Design RAG architectures and work with vector databases such as: 
o        OpenSearch 
o        Pinecone 
o        pgvector 
•    Handle model serving, inference optimization, and prompt engineering. 
•    Experience with Spring AI, LangGraph, Google ADK, A2A, and MCP. 
•    Apply prompt caching and token optimization techniques.