Senior Java Backend Engineer for AI-Powered Microservices

Global Business Ser. 4u; Missouri; On-site; USD 140,000 - 180,000; Full time

Job summary

Global Business Ser. 4u in Missouri is seeking a Senior Java Back-End Engineer with strong AI expertise to design, develop, and deploy scalable backend systems and Agentic AI solutions.

You will employ Java/Spring Boot, microservices, APIs, and cloud platforms while hands-on building AI-powered applications, LLM integrations, and autonomous agents. You will also implement testing, monitoring, and performance optimization as part of a robust engineering practice.

Qualifications

• Extensive experience with Java/Spring Boot and backend design.
• Proven ability to build scalable microservices and secure APIs.

Responsibilities

• Design and develop scalable backend services using Java, Spring Boot and microservices.
• Build and integrate Agentic AI applications powered by Large Language Models (LLMs).
• Develop AI agents capable of reasoning, planning, decision-making, tool calling, and multi-step tasks.
• Create RESTful APIs and event-driven architectures for AI and business apps.
• Develop RAG solutions using vector databases and enterprise data sources.
• Implement AI agent orchestration, memory, context management and workflow automation.
• Deploy and manage apps on cloud platforms (AWS, Azure, GCP).

Skills

Java

Spring Boot

Microservices

APIs

Cloud platforms

AI-powered apps

LLMs

Agentic AI

Tools

LangChain

LangGraph

Spring AI

AWS

Azure

GCP

Job description

Global Business Ser. 4u in Missouri is seeking a Senior Java Back-End Engineer with strong AI expertise to design, develop, and deploy scalable backend systems and Agentic AI solutions.

You will employ Java/Spring Boot, microservices, APIs, and cloud platforms while hands-on building AI-powered applications, LLM integrations, and autonomous agents. You will also implement testing, monitoring, and performance optimization as part of a robust engineering practice.