Senior Java Back-End Developer

Alignity Solutions
Mc Lean, VA

Do you love a career where you Experience , Grow & Contribute at the same time, while earning at least 10% above the market? If so, we are excited to have bumped onto you.

Learn how we are redefining the meaning of work , and be a part of the team raved by Clients, Job-seekers and Employees.

If you are a Senior Back-End Developer Position looking for excitement, challenge and stability in your work, then you would be glad to come across this page.

We are an IT Solutions Integrator/Consulting Firm helping our clients hire the right professional for an exciting long term project. Here are a few details.

Check if you are up for maximizing your earning/growth potential, leveraging our Disruptive Talent Solution.

Role: Senior Back-End Developer

Location: Mclean, VA
EXP:8+ Years

Requirements

We are seeking a highly skilled Senior Back-End Developer with strong expertise in Java, Spring Boot, Hibernate, and PostgreSQL . The ideal candidate will bring prior Freddie Mac (Freddie) domain knowledge , deep hands-on development experience, and the ability to design and implement scalable back-end systems. This role requires close collaboration with cross-functional teams, adherence to best engineering practices, and the ability to deliver high-quality, reliable, and maintainable software solutions.

Key Responsibilities

  • Design, develop, and maintain scalable back-end services using Java, Spring Boot, and Hibernate.

  • Work with PostgreSQL databases , including schema design, query optimization, and performance tuning.

  • Write unit and integration tests using JUnit and Mockito to ensure code quality and reliability.

  • Collaborate with front-end and full-stack teams, integrating with Angular-based applications (nice to have).

  • Work with event-driven architectures; exposure to Kafka is a plus.

  • Apply past Freddie Mac domain knowledge to ensure compliance, efficiency, and alignment with business requirements.

  • Participate in code reviews, design discussions, and contribute to best practices for software development.

  • Troubleshoot, debug, and optimize back-end services for performance and scalability.

  • Work onsite (5 days/week), collaborating closely with stakeholders and development teams.

What You’ll Bring

  • 7+ years of experience in back-end development with Java and enterprise-grade systems.

  • Strong expertise in Java, Spring Boot, Hibernate, PostgreSQL .

  • Hands-on experience with JUnit and Mockito for testing.

  • Freddie Mac domain knowledge (must-have).

  • Familiarity with Angular (nice to have).

  • Exposure to Kafka or similar messaging/event-driven platforms (nice to have).

  • Strong understanding of back-end design principles, RESTful APIs, microservices architecture, and database-driven applications.

  • Proven ability to work onsite in a collaborative team environment.

  • Excellent problem-solving, communication, and analytical skills.

Benefits

Visit us at . Alignity Solutions is an Equal Opportunity Employer, M/F/V/D.

CEO Message: Click Here

Clients Testimonial: Click Here

Posted 2025-11-25

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