Software Engineer – Backend

About the role

💻 Job Title: Software Engineer – Backend

📍 Location: Central New Jersey, USA

🏢 Company: BeaconFire Inc.

🕒 Job Type: Full-Time

🌍 Visa Sponsorship: Available for eligible candidates (E-Verified Employer)

🔹 About Us

BeaconFire is a Central New Jersey-based technology consulting firm specializing in Software Development, Web Development, and Business Intelligence.

We are looking for motivated Backend Software Engineers with strong programming fundamentals, object-oriented programming knowledge, and problem-solving skills to build scalable, production-ready 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 Description

As a Backend Software Engineer, you will design, develop, test, and deploy scalable backend applications, RESTful APIs, and production-ready services using modern software engineering practices.

You will also contribute to the development of Generative AI and LLM-powered applications, including RAG pipelines, AI integrations, vector database solutions, and intelligent backend services.

The role provides an opportunity to apply your existing programming experience while transitioning into Java-based enterprise backend development and gaining hands-on experience with modern AI technologies.

🔧 Key Responsibilities

Backend Software Development

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 (OOP), 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.

Contribute to application 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.

Apply existing programming experience to Java-based enterprise backend development.

🤖 Generative AI Integration

Develop AI-powered features and applications using modern Generative AI technologies.

Implement Retrieval-Augmented Generation (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-focused data retrieval technologies.

Apply concepts such as embeddings, chunking, retrieval optimization, and reranking.

Explore and apply emerging Generative AI, LLM, and Agentic AI technologies.

Contribute to intelligent, AI-powered backend solutions.

✅ Requirements

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Information Technology, or a related field.

Strong programming fundamentals and problem-solving skills.

Solid understanding of Object-Oriented Programming (OOP).

Experience with one or more OOP programming languages, including:

Java

C++

C#

Kotlin

Similar object-oriented languages

Good understanding of common data structures and programming concepts.

Basic knowledge of relational databases and SQL.

Understanding of the Software Development Lifecycle (SDLC).

Strong analytical, communication, and teamwork skills.

Ability and willingness to transition into Java-based backend development.

Interest in learning and applying Generative AI and LLM technologies.

⭐ Preferred Technical Exposure

Candidates with exposure to any of the following technologies or concepts will be well positioned for the role:

Java / Spring ecosystem

RESTful APIs

SQL and relational databases

NoSQL databases

Data Structures & Algorithms

Unit and Integration Testing

Agile/Scrum

CI/CD and DevOps practices

Cloud-native backend development

Spring AI

LangChain4j

Large Language Models (LLMs)

Retrieval-Augmented Generation (RAG)

Vector Databases

Embeddings and semantic search

AI Agents / Agentic AI

🎯 Why Join BeaconFire?

🌍 Visa sponsorship available for eligible candidates through an E-Verified employer.

🚀 Build production-ready backend applications using modern software engineering practices.

☕ Develop Java expertise and transition into enterprise Java backend development.

🤖 Gain hands-on Generative AI experience with RAG, LLMs, vector databases, and AI frameworks.

📈 Grow your technical career through real-world projects and continuous learning.

🤝 Collaborate with Agile/Scrum teams and experienced software professionals.

💡 Work at the intersection of backend engineering and AI to build next-generation applications.

🌟 Equal Employment Opportunity

BeaconFire is an E-Verified company and provides equal employment opportunities to all qualified candidates.

Visa sponsorship is available for eligible candidates.