Software Engineer - Back End - R129
Expedition TechnologyRole Overview
Expedition Technology is hiring a mid-level Software Engineer - Back End - R129. This is a full-time role in Herndon. Part of Expedition Technology's Backend hiring, posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
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 indexes and/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
Frequently Asked Questions
How do I apply for the Software Engineer - Back End - R129 position at Expedition Technology?
Use the Apply button above to submit your application directly to Expedition Technology. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Software Engineer - Back End - R129 position at Expedition Technology located?
This position is based in Herndon. Expedition Technology has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Software Engineer - Back End - R129 at Expedition Technology earn?
Expedition Technology has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Software Engineer - Back End - R129 role at Expedition Technology posted?
This role was posted on June 5, 2026 (8 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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