Java Full Stack Developer (Active IRS MBI clearance)

Senior Java Full Stack Developer

Location: Fairfax, VA

Duration: Long Term

Position Overview

We are seeking a highly experienced Senior Java Full Stack Developer with 8+ years of professional experience to support the design, development, integration, and maintenance of secure, scalable enterprise applications. The ideal candidate will bring strong expertise in Java full-stack development, Spring Boot, microservices, SOA, and PostgreSQL, combined with a strong understanding of Agile/Scrum methodologies.

This position requires an active IRS MBI clearance and a clearance memorandum issued directly by the IRS.

Key Responsibilities

• Design, develop, test, deploy, and maintain enterprise-grade full-stack applications using Java and modern development frameworks.
• Develop scalable and resilient microservices and SOA-based applications using Java and Spring Boot.
• Design, implement, and consume RESTful APIs and web services.
• Develop and optimize database solutions using PostgreSQL, including complex SQL queries, database design, indexing, and performance tuning.
• Participate in end-to-end application development across both backend and frontend components.
• Translate business and technical requirements into scalable, maintainable software solutions.
• Participate in architecture and technical design discussions.
• Troubleshoot complex application, integration, and production issues and perform root-cause analysis.
• Conduct code reviews and ensure adherence to coding standards, security practices, and software engineering best practices.
• Collaborate with architects, business analysts, QA engineers, DevOps teams, and other developers.
• Actively participate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, backlog refinement, sprint reviews, and retrospectives.
• Provide technical leadership and mentoring to junior and mid-level developers.
• Contribute to continuous improvement of development processes, tools, and application architecture.

Required Technical Skills

• 8+ years of professional software development experience.
• Strong hands-on experience in Java full-stack development.
• Advanced proficiency in Java/J2EE and object-oriented programming.
• Strong expertise with Spring Boot and the Spring ecosystem.
• Extensive experience designing and developing microservices.
• Strong understanding and practical experience with Service-Oriented Architecture (SOA).
• Strong experience with PostgreSQL, SQL, database design, and performance optimization.
• Experience developing and integrating RESTful APIs/web services.
• Experience with front-end development technologies and full-stack application development.
• Understanding of distributed systems, enterprise integration, scalability, and application security.
• Strong troubleshooting, debugging, and problem-solving skills.
• Demonstrated Agile/Scrum fluency and experience working in cross-functional Scrum teams.

Required Clearance & Education

• Active IRS MBI clearance required.
• Clearance memorandum issued directly by the IRS required.
• Bachelor''''s degree in Computer Science, Information Technology, Engineering, or a related technical discipline.

Preferred Qualifications

• Experience with AWS, Azure, or other cloud platforms.
• Experience with Docker and Kubernetes.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with Kafka, RabbitMQ, or other messaging technologies.
• Experience with automated testing frameworks and test-driven development.
• Proficiency with Git and modern build/deployment tools.
• Experience working on federal government or other highly secure enterprise applications.