Software Engineer (Full Stack / Backend Focus) with Security Clearance

Location: Dulles, VA Employment Type: Full-Time Clearance Required: Active TS/SCI with Full Scope Polygraph (FS Poly) Position Overview We are seeking an experienced Software Engineer with a strong focus on full stack and backend development to design, develop, and maintain secure, scalable applications supporting mission-critical systems. The ideal candidate is passionate about building high-performance software solutions, developing robust APIs and microservices, and collaborating across engineering teams to deliver reliable, modern applications in a fast-paced environment. This position is well suited for an experienced software engineer who enjoys solving complex technical challenges, contributing to system architecture, and building resilient cloud-based solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend services, APIs, and microservices.
• Build secure, high-performance RESTful APIs supporting enterprise applications.
• Develop and optimize server-side logic, data processing workflows, and application integrations.
• Collaborate with front-end developers to ensure seamless integration between backend services and user interfaces.
• Participate in software architecture and technical design discussions focused on scalability, maintainability, and performance.
• Write clean, well-documented, and thoroughly tested code following industry best practices.
• Troubleshoot and resolve software defects, performance issues, and production incidents.
• Implement secure coding practices, authentication, and authorization mechanisms.
• Utilize Git-based version control and CI/CD pipelines to support automated software delivery.
• Support cloud-native application development within AWS environments.
• Participate in scheduled on-call rotations to support operational systems.
• Work closely with cross-functional engineering teams throughout the software development lifecycle. Required Qualifications
• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline.
• 7+ years of professional software development experience with expertise in full stack application development.
• Strong proficiency in one or more backend programming languages such as:
• Node.js
• Python
• Java
• Experience developing applications using frameworks such as Spring Boot.
• Demonstrated experience designing and implementing RESTful APIs.
• Experience developing applications within Amazon Web Services (AWS) environments.
• Experience with Git version control and modern CI/CD pipelines.
• Strong understanding of secure software development principles, authentication, authorization, and application security.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong verbal and written communication skills.
• Ability to work independently and collaboratively within Agile development teams.

Preferred Qualifications

• Experience developing front-end applications using Angular or Vue.js.
• Experience with Azure DevOps.
• Knowledge of SecDevOps methodologies and secure software delivery practices.
• Experience with automated testing and test automation frameworks.
• Experience designing scalable distributed systems and cloud-native architectures. Technical Environment
• Node.js
• Python
• Java
• Spring Boot
• REST APIs
• AWS
• Git
• CI/CD Pipelines
• Angular (preferred)
• Vue.js (preferred)
• Azure DevOps
• Secure Software Development
• Microservices Architecture Clearance Requirement
• Active Top Secret/SCI security clearance with a Full Scope Polygraph (FS Poly) is required. Benefits This full-time position offers a comprehensive benefits package that includes:
• Paid Time Off: Five weeks of PTO annually, plus a paid birthday.
• Paid Holidays: 11 floating holidays.
• 401(k): Employer-paid 10% contribution, administered by RPA with Vanguard investment funds.
• Medical Insurance: Employer-paid Anthem options, including:
• Platinum PPO national plan
• Gold PPO national plan
• Gold HMO/HSA national plan
• Dental Insurance: Employer-paid Delta Dental PPO Plus Premier plan.
• Vision Insurance: Employer-paid VSP coverage through DeltaVision.
• Life and AD&D Insurance: Employer-paid coverage equal to two times annual salary, up to $400,000.
• Voluntary Life and AD&D Insurance: Employee-paid coverage ranging from $10,000 to $500,000, not to exceed five times annual salary.
• Short-Term Disability: Employer-paid coverage of 60% of salary, up to $2,500.
• Long-Term Disability: Employer-paid coverage of 60% of salary, up to $10,000 per month.
• Health Savings Account: Available depending on the selected health plan; employer contribution details are to be determined.
• Life Savings Account: Employer-paid contribution of $1,000 per year.
• Professional Development: Up to $5,000 per year in employer-reimbursed expenses for degrees, training, and professional certifications.
• Technology Reimbursement: Up to $1,000 per year.
• Candidate Referral Bonus: Up to $10,000.
• Profit Sharing: Discretionary employer-paid profit-sharing opportunities.
• Performance Bonus: Discretionary employer-paid performance bonuses.
• New Contract Bonus: Up to $10,000.
• Online Training: Employer-paid access to Udemy and Paylocity training resources.
• Pet Insurance: Optional employee-paid coverage through PetsBest.
• Employee Discounts: No-cost access to Working Advantage employee discounts and rewards programs Why Join Us?

This opportunity offers the chance to work on mission-critical technologies supporting national security initiatives. You'll collaborate with highly skilled engineers to develop scalable, secure software solutions while leveraging modern cloud technologies, DevSecOps practices, and Agile development methodologies in a challenging and rewarding environment.