Senior Java Back-End Engineer for AI & Agentic Systems

Moofwd; O’Fallon, Northern (MO, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Moofwd is seeking a Senior Java Back-End Engineer to design, develop, and deploy scalable backend systems and AI-powered agents. You will work with Java, Spring Boot, microservices, and cloud deployments to deliver robust APIs and AI integrations across platforms.

This 12-month contract role demands deep backend expertise and hands-on AI development experience. Applicants should have 7+ years of engineering experience and a proven track record in building scalable, secure services that leverage

Qualifications

• 7+ years of software engineering and backend development.
• Senior Java Back-End Engineer with strong AI expertise.
• Hands-on AI agent development and LLM integrations.
• Experience with cloud platforms and microservices.

Responsibilities

• Design and develop scalable, secure, and high-performance 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 executing multi‑step tasks.
• Develop RESTful APIs and event‑driven architectures to support AI and business applications.
• Build RAG (Retrieval-Augmented Generation) solutions using vector databases and enterprise data sources.
• Implement AI agent orchestration, memory, context management, and workflow automation.
• Work with frameworks and technologies such as LangChain, LangGraph, Spring AI, or similar AI agent frameworks.
• Develop automated testing, monitoring, logging, and performance optimization strategies.
• Deploy and manage applications on cloud platforms such as AWS, Azure, or GCP.

Skills

Java

Spring Boot

REST APIs

Microservices

AI agent development

LLMs integration

Tools

Docker

Kubernetes

LangChain

LangGraph

Spring AI

AWS

Azure

GCP

Job description

Moofwd is seeking a Senior Java Back-End Engineer to design, develop, and deploy scalable backend systems and AI-powered agents. You will work with Java, Spring Boot, microservices, and cloud deployments to deliver robust APIs and AI integrations across platforms.

This 12-month contract role demands deep backend expertise and hands-on AI development experience. Applicants should have 7+ years of engineering experience and a proven track record in building scalable, secure services that leverage