New

Software Engineer - Back End - R129

Expedition Technology
vision insurance, parental leave, paid holidays, tuition reimbursement, 401(k), profit sharing
United States, Virginia, Herndon
13865 Sunrise Valley Drive (Show on map)
Sep 16, 2026
Expedition Technology (EXP), is seeking motivated software engineers to join our Solis team, whose mission is to develop, deploy, and maintain the Training Data Storefront (TDS). TDS is a central repository of AI/ML annotations and models serving the entire Department of Defense (DoD) and Intelligence Community (IC). TDS plays a fundamental role in addressing today's critical defense and intelligence problems. We are seeking Software Engineers who thrive on backend development. We're looking for engineers who ensure that security, performance, maintainability, scalability, usability, and reliability are considered when architecting solutions. We hire people who excel at what they do and empower them to innovate with flexibility and autonomy. As a member of our team, you will: Work with an extremely talented, motivated, supportive and welcoming team in an Agile ecosystem to design new features for TDS, develop new capabilities using the latest open-source frameworks, and work directly with end-users to ensure TDS is solving their mission needs. Develop features, bugfixes, and automated workflows for the system using Python 3, Docker, Kubernetes, and AWS services. Embrace opportunities for technical leadership and mentor other team members Drive technical discussions and be proactive in identifying and resolving issues. Contribute to SDLC and coding best practices. Develop and design RESTful APIs and streaming services. Identify and resolve performance bottlenecks. Does this sound like a challenge you'd like to embrace? Here are qualifications we're seeking: United States Citizenship An active TS/SCI security clearance A minimum of 5 years of backend development experience, ideally in AWS Cloud environments Fundamental understanding of cloud computing concepts (serverless, scalability, microservices, high availability, and durability) Experience with integrating Kubernetes, Docker or other containerized ecosystems Relational database design, implementation, configuration, and query experience Experience designing, implementing, and maintaining database indexesand/or optimizing database queries Familiarity with object-oriented design and languages. Most of our developers write Python and/or JavaScript. Comfortable working with Linux (Ubuntu) based operating systems (command line operations, scripting) Configuration Management (CM) experience using Git and familiarity with branching strategies Enjoy learning new technologies and creating compelling software. Work with minimum supervision as part of a collaborative, agile team. BA/BS or higher in Computer Science, Computer Engineering or closely related field Extra credit if you have: Interest in AI/ML algorithm deployment at scale. 5+ years' work experience with AWS services such as Lambda, DynamoDB, RDS, CloudFormation, EC2, ALB, IAM, and SQS (need not have experience with all) Clearance required: Top Secret/SCI Who is 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. Headquarted in Northern Virginia's high-tech corrdor, EXP is a rapidly growing, privately held company that pushes the boundaries of what is possible every day. To learn more about EXP and discover why we are an award-winning workplace, visit our web site and follow us on LinkedIn. Interested in joining our team? Let's explore together. Join Our Team and Enjoy Exceptional Benefits! Expedition Technology (EXP) offers a flexible, self-directed benefits package that is designed to fit your individual needs. Here's a glimpse of the outstanding benefits you can enjoy when you join our team: Company-paid medical, dental, and vision insurance Generous Time Off: Enjoy 11 paid holidays, up to 34 days of PTO Robust 401(k) Plan: Benefit from 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: Take advantage of our unique option to reallocate a portion of your 401(k) match funds to repay student loans, helping you achieve financial freedom faster. Paid Parental Leave: Six weeks of paid leave for the primary caregiver and 2 weeks of paid leave for the secondary caregiver for you to bond with your new family member. Tuition Reimbursement: Pursue further education with up to $5,250/year available to support your continuous learning and growth. Referral Bonus Program: Earn rewards for bringing talented individuals into our team. Exclusive Entertainment Perks: Enjoy free tickets to sporting events, theater, concerts, and more, adding fun and excitement to your life. Onsite Amenities: Stay fit and healthy with our free, onsite fitness center, active workstations featuring treadmill and bike desks, and enjoy our onsite cafeteria with reduced-cost options. Inspiring Work Culture: Thrive in a collaborative, creative, and supportive culture where you are encouraged to push boundaries, take risks, and enjoy the rewards. Join us and be part of a team that values your well-being and professional growth. Apply today and take the first step towards a fulfilling career with us! 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.