Full Stack Software Engineer - R134

About the Role

Expedition Technology (EXP) is seeking a Full Stack Software Engineer to join our Solis team in building the Training Data Storefront (TDS)—a mission-critical platform that enables the Department of Defense (DoD) and Intelligence Community (IC) to manage, share, and operationalize AI/ML data and models. TDS serves as a centralized repository powering advanced analytics and machine learning capabilities across defense and intelligence missions. As part of our team, you will play a key role in designing, developing, and maintaining scalable, secure, and user-centric applications that directly support national security objectives.

Responsibilities

• Design and develop end-to-end features spanning front-end interfaces and backend services
• Build and maintain responsive, user-friendly web applications using modern JavaScript frameworks
• Develop scalable backend systems and APIs using Python and cloud-native architectures
• Integrate frontend components with backend services via RESTful APIs and streaming/data services
• Deploy and manage applications in AWS environments using Docker and Kubernetes
• Collaborate in an Agile development environment, contributing to sprint planning, design discussions, and continuous improvement
• Work directly with end users to understand mission needs and translate them into technical solutions
• Ensure performance, scalability, security, and reliability across the stack
• Actively collaborate with teammates in design discussions and pair programming
• Write clean, maintainable code with strong test coverage (unit, integration, and end-to-end)
• Participate in code reviews, establish best practices, and contribute to engineering standards

Required Qualifications

• U.S. Citizenship
• Active TS/SCI clearance
• 5+ years of professional software engineering experience across front-end, back-end, or full stack development
• Experience building applications in AWS cloud environments
• Proficiency in:
  • Frontend: React, Angular, Vue, or similar (TypeScript preferred)
  • Backend: Python (preferred) or other object-oriented languages
• Experience with REST APIs, microservices, and distributed systems
• Familiarity with Docker, Kubernetes, or other containerized environments
• Experience with relational databases and query optimization
• Strong understanding of software development best practices and SDLC
• Experience with Git and branching strategies
• Comfortable working in Linux-based environments

Preferred Qualifications

• Experience with modern frontend tools (e.g., TailwindCSS, React Query, Vite, MUI)
• Familiarity with GraphQL and real-time data applications
• Experience with AWS services (e.g., Lambda, RDS, DynamoDB, S3, IAM, EC2, SQS)
• Knowledge of performance optimization techniques (frontend or backend)
• Exposure to AI/ML systems or data pipelines at scale
• Experience contributing to technical leadership, mentoring, or architecture decisions

About Expedition Technology

Expedition Technology (EXP) designs, develops, and delivers innovative solutions with national impact for the defense and intelligence communities. We use machine learning, artificial intelligence, and other advanced algorithms, platforms, and technologies to solve our customers' most complex, demanding, and urgent C4ISR challenges. Our culture promotes individual growth and opportunity, prioritizes a collaborative team spirit, and invites the intellectually curious to solve challenging problems creatively. Headquartered in Northern Virginia's high-tech corridor, EXP is a rapidly growing, privately held company that pushes the boundaries of what is possible every day.

Benefits

• Company-paid medical, dental, and vision insurance
• Generous Time Off: 11 paid holidays, up to 34 days of PTO
• Robust 401(k) Plan: Up to a 12% company contribution, including a 3% safe harbor, 6% match, and up to 3% additional as a form of profit sharing
• Student Loan Repayment: Option to reallocate a portion of 401(k) match funds to repay student loans
• Paid Parental Leave: 6 weeks for primary caregiver, 2 weeks for secondary caregiver
• Tuition Reimbursement: Up to $5,250/year for continuous learning
• Referral Bonus Program
• Exclusive Entertainment Perks: Free tickets to sporting events, theater, concerts, etc.
• Onsite Amenities: Free fitness center, active workstations, and reduced-cost cafeteria
• Inspiring Work Culture: Collaborative, creative, and supportive environment

EXP is proud to be an Equal Opportunity Employer that believes a diverse range of talent creates an environment that fosters creativity and innovation. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, genetic information, or protected veteran status.