AI/ML & Java Architect

Role: AI/ML & Java Architect Work Location: Saint Louis, MO 63131Contract duration: 12+ Months Only USC/Green Card Holder on W2 (no C2C/1099)Key Responsibilities:Design and architect enterprise-grade AI/ML-powered Java applications on AWS cloud infrastructureDefine technical standards, patterns, and best practices for AI integration within Java ecosystemsLead end-to-end architecture for microservices, APIs, and data pipelines supporting ML model serving Conduct architecture reviews, threat modelling, and performance benchmarkingMentor senior engineers and guide cross-functional teams on AI-first design principleRequired Skills:Core Java & Architecture, Java 21+, Spring Boot, Spring AI, Microservices, event-driven architecture (Kafka, SQS/SNS) REST/GraphQL API design, gRPC Design patterns, Enterprise architecture and scaling AI / ML IntegrationExperience with Agentic AI / multi-agent frameworks at enterprise scale.LLM integration via Anthropic 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, Core: EC2, ECS/EKS, Lambda, API Gateway, S3, RDS/Aurora, IAM, KMS, Secrets Manager, VPC securityAI: Bedrock, Agent Core.