Junior Java Developer: AI-Driven RAG & Full Lifecycle

BeaconFire Inc.; Pennsylvania; On-site; USD 70,000 - 95,000; Full time

Job summary

BeaconFire Inc. is seeking a Java Software Engineer to join a Scrum team in the United States. You will design, develop, test, and deploy scalable Java applications, with emphasis on Spring AI, RAG pipelines, and modern APIs.

Collaboration with cross-functional teams and rigorous coding standards are expected. The role requires working through the full development lifecycle, producing clean code, and maintaining documentation.

Qualifications

• SDLC understanding required.
• OOP fundamentals and data structures knowledge.
• Relational DBs (MySQL, PostgreSQL) and basic SQL skills.
• APIs and collections knowledge helpful.

Responsibilities

• Write clean, efficient code with maintainability in mind.
• Conduct testing to ensure application reliability.
• Perform code reviews for quality and consistency.
• Own full development lifecycle in an Agile Scrum team.
• Create and maintain comprehensive technical documentation.
• Ship to production: APIs, monitoring, CI/CD, and security practices.
• Stay current with Java and AI integration trends.
• Implement RAG pipelines using Spring AI and LangChain4j.
• Keep up with RAG tech: embeddings, retrieval, reranking.

Skills

Java programming

Spring framework

RAG pipelines

RESTful APIs

CI/CD

Agile Scrum

SQL basics

Object‑oriented programming

Education

Master’s Degree in Computer Science

Tools

Spring

Maven

React.js

HTML

CSS

Weblogic

RabbitMQ

Tomcat

LangChain4j

Job description

BeaconFire Inc. is seeking a Java Software Engineer to join a Scrum team in the United States. You will design, develop, test, and deploy scalable Java applications, with emphasis on Spring AI, RAG pipelines, and modern APIs.

Collaboration with cross-functional teams and rigorous coding standards are expected. The role requires working through the full development lifecycle, producing clean code, and maintaining documentation.