Java AI Engineer — Production-Ready AI Agents & LLM Apps

Advanced Tech Placement; Alpharetta (GA); On-site; USD 140,000 - 210,000; Full time

Job summary

Advanced Tech Placement is seeking a Java AI / Agent Engineer to build AI-powered solutions for enterprise clients. This hands-on role sits at the intersection of robust backend Java engineering and applied AI, focusing on production-ready AI agents and LLM-powered applications.

The ideal candidate will have strong Java/Spring experience and have deployed AI agents or LLM applications to production, working directly in Java to develop agents that can use tools, manage context, handle failures,

Qualifications

• Strong professional experience with Java (Java 21+).
• Experience with Spring Boot 3.x and production APIs/backend services.
• Strong understanding of software engineering fundamentals, testing, debugging, and API design.

Responsibilities

• Design, build, and deploy AI agents and agentic workflows using Java 21+, Spring Boot 3.x, Spring AI, or LangChain4j.
• Build production APIs and backend services using Spring Web, Spring Data, and Spring Security.
• Implement agent capabilities including tool calling, orchestration, memory/context, multi-step workflows, retries, and guardrails.
• Design prompts and structured outputs and apply RAG, including embeddings, chunking, vector databases, and retrieval optimization.
• Design and maintain LLM evaluations (evals) to measure quality, reliability, and performance.
• Evaluate and select AI models based on quality, latency, cost, and risk.
• Optimize LLM applications for performance and cost, including caching, batching, model routing, and prompt/token optimization.
• Implement LLM observability and monitoring using tools such as Langfuse, Arize, Weights & Biases, Datadog, or similar.
• Use AI coding tools such as GitHub Copilot, Amazon Q, or Claude Code throughout development, testing, debugging, and refactoring.
• Collaborate with engineers and stakeholders to prototype, test, and continuously improve AI capabilities while maintaining clean, well-tested Java code.

Skills

Java

Spring Boot

API design

Testing

Debugging

Backend development

Tools

LangChain4j

Spring AI

GitHub Copilot

Copilot CLI

Job description

Advanced Tech Placement is seeking a Java AI / Agent Engineer to build AI-powered solutions for enterprise clients. This hands-on role sits at the intersection of robust backend Java engineering and applied AI, focusing on production-ready AI agents and LLM-powered applications.

The ideal candidate will have strong Java/Spring experience and have deployed AI agents or LLM applications to production, working directly in Java to develop agents that can use tools, manage context, handle failures,