Senior Java Software Engineer

Senior Java Software Engineer – Active Secret Clearance

Multiple Openings | 5 days Onsite in the Boston Area | Long-Term W-2 Contract with Benefits Available & Potential for Permanent Hire

W-2 ONLY — No C2C, third-party, or subcontractor candidates.

W-2 Contractor Benefits: Medical, dental, vision, HSA options, life insurance, short- and long-term disability, and 401(k) options available.

We are seeking multiple experienced Java Full Stack Software Engineers to join a growing team developing mission-critical cybersecurity applications . These positions offer the opportunity to work on complex enterprise software products in a collaborative engineering environment supporting highly secure systems.

This is a Java-focused full-stack development role . We are particularly interested in engineers with strong back-end Java experience who also have exposure to modern front-end technologies, databases, APIs, and enterprise application frameworks.

What You’ll Be Doing

• Design, develop, enhance, and troubleshoot enterprise Java applications
• Develop both back-end services and user-facing application functionality
• Work with relational databases and data-driven applications
• Build and integrate REST-based services and interfaces
• Participate throughout the software development lifecycle, including design, development, integration, testing, and deployment
• Collaborate with software engineers and other technical team members in an Agile environment
• Help solve complex technical problems involving secure, mission-critical applications
• Take ownership of assigned development work and contribute to technical decisions

Required Qualifications

• Active DoD Secret clearance at the time of hire
• Bachelor’s degree plus 5+ years of relevant experience, OR a Master’s degree plus 3+ years of relevant experience
• 3+ years of professional software development experience with Java / Enterprise Java

Highly Desired Experience

We do not expect candidates to have every skill listed below. Strong Java developers with experience in several of these areas are encouraged to apply.

• Spring framework
• Hibernate
• SQL and/or PostgreSQL
• REST APIs
• WildFly or similar Java application servers
• Material UI

Additional experience with secure application development, PKI/digital certificates, RESTCONF, or SNMP is a plus.

• Multiple openings
• Location: Greater Boston area
• Schedule: Must be willing to work 5 days/week onsite.
• Employment: Long-term W-2 Contract with Potential for Permanent Hire
• C2C/Corp-to-Corp is not available
• Active DoD Secret clearance is required at the time of hire

If you’re an experienced Java engineer with an active Secret clearance and are interested in joining a growing team with multiple immediate openings, I look forward to hearing from you.