Junior Java Engineer: AI-Driven Full-Stack Developer

BeaconFire Inc.; California (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

BeaconFire Inc. is hiring a Java Software Developer to build scalable applications and maintain clean, secure code. You will participate in full stack delivery, work in a collaborative environment, and own features from design through production.

Preferred qualifications include a CS master's degree, 0–1 year in Java, and experience with Spring, Maven, React.js, HTML/CSS. Be part of a team driving AI-powered solutions and modern software practices.

Qualifications

• Understanding of the software development life cycle.
• Basic programming skills using object-oriented languages and common APIs.

Responsibilities

• Full Stack Development: code reviews, Agile Scrum lifecycle ownership, design, implementation, testing, and optimization.
• Create and maintain technical documentation for applications, APIs, and deployment procedures.
• Ship to production: APIs, monitoring, cost/performance optimization, CI/CD, and security best practices.
• Stay up to date with Java technologies and best practices.
• AI Integration: implement RAG pipelines using Spring AI and LangChain4j with vector DB integration.
• Stay current with RAG tech, embeddings, retrieval optimization, and reranking techniques.

Skills

Java

OOP

APIs

Data structures

Education

Master’s Degree in CS

Tools

Spring

Maven

React.js

HTML

CSS

Weblogic

RabbitMQ

Tomcat

LangChain4j

Job description

BeaconFire Inc. is hiring a Java Software Developer to build scalable applications and maintain clean, secure code. You will participate in full stack delivery, work in a collaborative environment, and own features from design through production.

Preferred qualifications include a CS master's degree, 0–1 year in Java, and experience with Spring, Maven, React.js, HTML/CSS. Be part of a team driving AI-powered solutions and modern software practices.