user avatar

Full Stack Software Engineer (TS/SCI, Defense R&D)

Valiant Harbor International

Today
Top Secret
Mid Level Career (5+ yrs experience)
50%
IT - Software
Hanscom AFB, MA (On-Site/Office)

Job Type: Full-Time
Location: Hanscom Air Force Base, Lexington, MA
Travel: Up to 60%
Clearance: Active Top Secret (TS) with SCI eligibility
Compensation: Commensurate with Experience

SUMMARY
We are seeking a Full Stack Software Engineer to support the Air Force Research Laboratory (AFRL) at Hanscom AFB in Lexington, MA. This role supports a newly awarded R&D contract with AFRL and offers an opportunity to work directly on advanced defense initiatives in a secure, mission-critical environment.

The ideal candidate will be able to provide immediate engineering support to AFRL researchers and consultants while developing into a Subject Matter Expert (SME) for the program. This is a long-term position where commitment and stability are essential — candidates with a history of frequent job changes (every 12 months or less) will not be considered.

RESPONSIBILITIES
• Design, develop, and maintain software solutions using multiple programming languages.
• Write clean, efficient, well-documented code that adheres to best practices.
• Integrate enterprise applications and related databases.
• Maintain version control and code integrity with Git.
• Debug, test, and optimize applications across platforms and environments.
• Troubleshoot and resolve complex multi-system technical issues.
• Optimize architectures for performance, security, and efficiency.
• Document technical designs, logic, and integration points.
• Participate in code reviews and provide constructive feedback.
• Support shared libraries and common tools across teams.
• Collaborate with stakeholders to analyze requirements and define solutions.
• Manage the full development lifecycle from concept to deployment.
• Contribute to system roadmaps, design plans, and architecture documentation.
• Ensure compliance with cybersecurity and development standards.
• Provide recommendations on tools, architectures, and system solutions.
• Coordinate schedules, risk mitigation, and status updates.
• Participate in weekly technical and stakeholder meetings.
• Stay current on DevSecOps practices and emerging technologies.

REQUIRED QUALIFICATIONS
• Active Top-Secret clearance with SCI eligibility.
• Bachelor’s degree in Computer Science, Software Engineering, or related STEM field.
• 3+ years of experience in full-stack software engineering.
• Proficiency in Linux/Unix, with at least 2 years of Java and XML experience.
• Proven ability to design and build secure, scalable, high-performance systems.
• Strong problem-solving skills and ability to develop into a Subject Matter Expert (SME).
• Willing to travel frequently (up to 40–60%).
• Prior military background or familiarity with DoD environments (SIPR/JWICS exposure preferred).

DESIRED QUALIFICATIONS
• Experience with agile prototyping and scalable deployments.
• Familiarity with DevSecOps practices and modern system design patterns.
• Strong communication skills to collaborate with diverse technical and non-technical teams.
group id: 91120852
Find Valiant Harbor International on Social Media
Network Employers
user avatar
About Us
Valiant Harbor International is a CVE Service Disabled Veteran Owned Small Business that specializes in program, acquisition, and financial services for government science and technology, research and development, and technological programs. Here at Valiant Harbor International we emphasize extreme focus on helping federal government agencies identify and address organizational challenges in order to tailor and integrate specific solutions to solve their most difficult problems. Success is defined by our ability to meet our customer’s needs- we are a management consulting firm with a successful record of offering a wide range of professional, scientific, and technical services requiring a high degree of expertise and training. In a business environment that is rapidly evolving, success depends on innovative and value-driven solutions. Our professional management consulting services balance technical acumen with superior business performance to provide optimized solutions to e

Valiant Harbor International Jobs


Job Category
IT - Software
Clearance Level
Top Secret