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Senior Software Developer Lead
- Location: Chantilly, Virginia 20151
- Work model: On-site
- Posted July 22, 2026
- Job ID: JPC - 206698
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Job Description
Senior Software Developer Lead - Mission Critical Systems
Location: Chantilly, VA or Seal Beach, CA | Contract | Apex Systems
About the Role
Join Apex Systems as a Senior Software Developer Lead, where you will guide a talented team working on advanced Mission Management and Mission Planning solutions. You'll spearhead full lifecycle software development using Java, collaborating with cross-functional teams to deliver impactful, high-security projects for critical stakeholders. This position offers the chance to shape system outcomes, mentor others, and influence the trajectory of our technology initiatives in a collaborative, mentorship-driven environment.
Responsibilities
- Lead and oversee software design, coding, testing (unit/integration/functional/system), and delivery to meet customer requirements and acceptance criteria
- Partner with stakeholders to translate system-level requirements into actionable software specifications and robust models
- Conduct and drive risk analyses, identify system issues, and proactively implement mitigation strategies throughout the software lifecycle
- Facilitate and lead code reviews ensuring alignment with standards and project requirements
- Monitor, review, and manage test completion, verification, and efficient resolution of software issues
- Track product and process status to ensure alignment with project plans and industry standards
- Mentor team members and foster knowledge-sharing to cultivate technical growth
Required Skills and Experience
- At least 5 years of experience in Computer Science fundamentals, object-oriented design, and software patterns
- Expert-level proficiency in Java, C++, or Python for full stack development
- Demonstrated leadership in software projects or teams through the entire development lifecycle
- Ability to obtain and maintain an Active Top-Secret U.S. Security Clearance with SCI eligibility and successfully complete a CI Polygraph post-hire
Preferred Skills
- Bachelor's degree in Engineering, Computer Science, Mathematics, or related technical field
- Experience with HTML, CSS, JavaScript, JS frameworks (REACT, Open Layers), Spring Framework, Hibernate, REST/Open API
- Familiarity with Agile or SAFe methodologies including User Stories, Sprints, and Release Planning
- Hands-on experience with TDD, DevSecOps, CI/CD, and tools such as Jenkins or GitLab CI
- Advanced knowledge of middleware technologies such as JMS, WebLogic; dependency management tools (Maven, Gradle, Git)
- Strong background in RDBMS (SQL Server, Oracle, MySQL) and NoSQL (MongoDB) databases
- Experience developing or supporting space-based or ground-based systems
Benefits
- High-impact projects with mission-driven purpose
- Collaborative, mentoring-focused work culture
- Professional growth and leadership opportunities
- Exposure to cutting-edge technologies and secure environments
How to Apply
Ready to make a difference? Submit your application to Apex Systems today and become a leader in mission-critical software innovation.
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Interested in this role?
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Job details
Job ID JPC - 206698
Location Chantilly, Virginia, United States
Work Model On-site
Job Type Contract
Posted July 22, 2026
Skills Word
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