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Backend Software Engineer (Java / Generative AI)

BeaconFire Inc. • United States
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BeaconFire is hiring a Software Engineer to develop scalable backend applications and AI-powered solutions using Java as the primary programming language. The role involves building RESTful APIs, managing SQL/NoSQL databases, and integrating Generative AI technologies such as RAG pipelines, LLM-powered applications, and vector databases. Candidates must have strong OOP fundamentals, experience in languages like Java/C++/C#/Kotlin, and an interest in transitioning to Java-centric enterprise development.

Key Highlights
Backend engineering role with Java as the primary language, building production-ready applications and RESTful APIs.
Integration of Generative AI technologies including RAG pipelines, LLM-powered applications, and vector databases.
Competitive compensation of $62,000–$80,000 per year, with visa sponsorship available.
Open to candidates with experience in Java, C++, C#, Kotlin, or other OOP languages, with support to transition to Java-based development.
Key Responsibilities
Develop scalable and production-ready backend applications and services.
Build RESTful APIs and backend services using modern software engineering practices.
Work with relational and NoSQL databases, including SQL-based data management.
Apply object-oriented programming, data structures, algorithms, and software engineering principles to solve technical problems.
Write clean, efficient, maintainable, and reusable code.
Conduct unit testing, integration testing, debugging, and performance optimization.
Participate in code reviews and follow software development best practices.
Collaborate within Agile/Scrum teams throughout the software development lifecycle, including design, implementation, testing, deployment, and optimization.
Create and maintain technical documentation for applications, APIs, and deployment procedures.
Support production deployment, monitoring/observability, CI/CD, security, and performance optimization.
Transition and apply existing programming experience to Java-based enterprise backend development.
Develop AI-powered features and applications using modern Generative AI technologies.
Implement RAG pipelines and LLM-powered applications.
Integrate AI models and services into backend applications and APIs.
Work with frameworks such as Spring AI and LangChain4j.
Work with vector databases and AI-related data retrieval technologies.
Apply concepts such as embeddings, chunking, retrieval optimization, and reranking.
Stay current with emerging Generative AI, LLM, and Agentic AI technologies.
Technical Skills Required
Java SQL Generative AI
Benefits & Perks
Annual salary of $62,000–$80,000
Visa sponsorship available for eligible candidates

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 backend 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:

Backend Software Development:

Develop scalable and production-ready backend applications and services.

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