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Junior Software Engineer (Java & Generative AI)

BeaconFire Inc. • New York City Metropolitan Area
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AI Summary

Develop scalable backend applications and AI-powered solutions using Java and Generative AI integration. Responsible for full-stack development, RAG pipeline implementation, and maintaining the full software development lifecycle. Requires proficiency in Java, JavaScript, and object-oriented programming with a strong understanding of SQL databases.

Key Highlights
Focus on Java backend development and Generative AI integration
Implementation of RAG pipelines using Spring AI and LangChain4j
Full-stack ownership from project planning to production deployment
Key Responsibilities
Develop scalable web applications using Java, Spring Boot, SQL, NoSQL, Kafka, RabbitMQ, Angular, React, HTML5, CSS, JavaScript, and TypeScript.
Write clean, efficient, maintainable, and reusable code.
Conduct testing to ensure application reliability.
Perform code reviews to ensure quality, consistency, and adherence to best practices.
Participate in Agile Scrum teams and own the full development lifecycle including planning, design, implementation, testing, and optimization.
Create and maintain comprehensive technical documentation for applications, APIs, and deployment procedures.
Ship APIs, monitoring, observability, cost/performance optimization, CI/CD, and security best practices to production.
Implement RAG pipelines using Spring AI and LangChain4j with vector database integration.
Stay updated with RAG technologies including chunking strategies, embeddings, retrieval optimization, and reranking techniques.

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Technical Skills Required
Java JavaScript SQL
Benefits & Perks
Salary: $62,000 – $80,000/year
Visa sponsorship available

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Nice to Have
Master’s Degree in Computer Science (CS)
0-1 year of practical experience in Java coding
Experience using Spring, Maven, React.js, HTML, CSS
Knowledge of Weblogic, RabbitMQ, Tomcat
Basic understanding of AI/LLM concepts
Spring AI or LangChain4j experience
RAG application building or vector database experience

Job Description

BeaconFire is based in Central NJ, specializing in Software Development, Web

Development, and Business Intelligence. We are looking for motivated Software Engineers

with a strong programming and object-oriented foundation to build scalable, productionready

backend applications and AI-powered solutions.

This role focuses on Java software development and Generative AI integration, with

Java as the primary backend development environment. Candidates with experience in Java,

C++, C#, Kotlin, or other object-oriented programming languages are encouraged to

apply.

Job Responsibilities:

Full Stack Development:

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Job Overview
Posted Nov 01, 2026
Employment Full-time
Experience Entry level
Location New York City Metropolitan Area
Category Machine Learning
Company BeaconFire Inc.
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