Full Stack Software Engineer - R134

Expedition Technology; Herndon (VA); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Company-paid medical, dental, and vision insurance

Up to 45 days of PTO

12% 401(k) match

Tuition Reimbursement – $5,250/year available

Free onsite fitness center

Job summary

Expedition Technology in Herndon, Virginia, is seeking a Full Stack Software Engineer for the Training Data Storefront (TDS) project, which supports defense and intelligence operations. The role involves designing, developing, and maintaining applications that power AI/ML capabilities crucial for national security.

Applicants should have at least 5 years of software engineering experience, proficiency in JavaScript frameworks, and familiarity with AWS. Benefits include medical insurance, generous PTO, and a supportive work culture.

Qualifications

• 5+ years of professional software engineering experience across front-end, back-end, or full stack development.
• Active TS/SCI clearance.
• Familiarity with Docker, Kubernetes, or other containerized environments.

Responsibilities

• Design and develop end-to-end features spanning front-end interfaces and back-end services.
• Build and maintain responsive, user-friendly web applications using modern JavaScript frameworks.
• Deploy and manage applications in AWS environments.

Skills

Software engineering experience

JavaScript frameworks

AWS cloud environments

Python

REST APIs

Docker

Kubernetes

Linux-based environments

Tools

React

Angular

Vue

Git

Job description

Full Stack Software Engineer – Training Data Storefront (TDS)

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 design, develop, and maintain scalable, secure, and user‑centric applications that directly support national security objectives.

What You’ll Do

• Design and develop end‑to‑end features spanning front‑end interfaces and back‑end services
• Build and maintain responsive, user‑friendly web applications using modern JavaScript frameworks
• Develop scalable back‑end systems and APIs using Python and cloud‑native architectures
• Integrate front‑end components with back‑end 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:
• Front‑end: React, Angular, Vue, or similar (TypeScript preferred)
• Back‑end: 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 / Nice‑to‑Have

• Experience with modern front‑end 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 (front‑end or back‑end)
• Exposure to AI/ML systems or data pipelines at scale
• Experience contributing to technical leadership, mentoring, or architecture decisions

What do we offer our team?

• Company‑paid medical, dental and vision insurance
• Up to 45 days of PTO
• 12% 401(k) match – Traditional and Roth options available
• Student loan repayment assistance
• Paid Family Leave
• Tuition Reimbursement – $5,250/year available
• Referral bonus program
• Free tickets to sporting events, theater, concerts and more
• Free, onsite fitness center, onsite cafeteria with reduced‑cost meals
• A collaborative, creative and supportive culture where you will be encouraged to push boundaries, take risks and enjoy the rewards

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.