Software Engineer – .NET

BeaconFire Inc.
Philadelphia, Pennsylvania, United StatesFull-timePosted Sep 16, 2026

About the role

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, 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 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, 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.

Generative AI Integration

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.

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, or similar languages.

Good understanding of common data structures and programming concepts.

Basic knowledge of relational databases and SQL.

Understanding of the software development lifecycle.

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.

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
  • 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
  • Create and maintain technical documentation for applications, APIs, and deployment procedures

Qualifications

  • 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, or similar languages
  • Good understanding of common data structures and programming concepts
  • Basic knowledge of relational databases and SQL
  • Understanding of the software development lifecycle
  • Strong analytical, communication, and teamwork skills

Skills mentioned

JavaBackend DevelopmentREST APIsSQLNoSQLUnit TestingDebuggingPerformance OptimizationGenerative AIRetrieval-Augmented Generation

About BeaconFire Inc.

BeaconFire is a leading technology consulting and professional services organization. It is one of the fastest growing technology consulting companies in Americas. The company is providing unparalleled services in Business Analysis, Architecture Design, Application Development, Systems Design and Development, Database Administration, Project Management and Quality Assurance services across Industry Domains. The company has a large pool of highly qualified and experienced talents working for global clients. It has established a strong employee engagement framework with dedicated Delivery Managers, HR Managers and Account Managers, supported by Site Leads across all engagements. BeaconFire has established long term relationship with several Fortune 500 companies and has a strong and agile service delivery framework backed up by robust management reporting and specialized vendor ecology enabling consistent on-demand mobilization of right-skilled resources. The company has aggressive and proven models for ensuring year on year savings in the IT budgets of the customers and has global engagement experiences across US, Europe, China and India. For many years, BeaconFire has been providing flexible and scalable solutions to companies across multiple industry verticals. Our tools and technical expertise have repetitively proven to reduce the time and costs associated with custom solution development. We have served the following key industry verticals: • Insurance • E-Commerce • Telecommunication • Healthcare • Banking Why BeaconFire? - High empowerment for people to actualize their potential, - Global multi-cultural workforce, creating an agile and adaptable organization, - Global delivery capabilities, - Solutions that address customers’ pain areas, - World-class technical strengths and process maturity, - Complete relationship flexibility and top management focus behind every strategic relationship, - Ability to invest in building strategic outsourcing partnerships.

IT Services and IT Consulting501-1,000 employeesEast Windsor, New Jersey