Full Stack Developer
- Location
- Chantilly, VA · On-site
- Job type
- Full-time
- Level
- Mid-level
- Listed
- 30 days ago
Skills & highlights for this role
- TS/SCI clearance
- Python
- Java
- JavaScript
- Flask
- Django
Also useful
- Oracle
- Git
- APIs
- ETL
About the role
*Position is contingent upon contract award*
SOSi is seeking a Full Stack Developer. In this role the Developer will provide full stack development support to the Sponsor’s web applications’ expanding cloud infrastructure. The Contractor shall leverage coding skills and expertise in cloud computing to design, develop, test, and deploy scalable and efficient web applications, supporting the Sponsor’s customers.
Essential Job Duties
- Developing new architecture to meet cloud requirements of Sponsor's web applications.
- Performing operation and maintenance, upgrades, and troubleshooting of Sponsor's web applications in Sponsor's cloud environment.
- Implementing custom cloud functionality using development languages such as Python, Java, and JavaScript.
- Customizing existing and creating new tools for displaying, retrieving, and analyzing data in the web environment.
- Developing new or adapting existing techniques to increase the speed and improve the visual display quality and interactive behavior of Sponsor's web delivery methods.
- Interfacing with counterparts in other government agencies to identify and ingest data.
- Programming customized code, scripts; modules, and libraries for analysis functions using appropriate scripting and development languages.
- Updating and improv1ng Sponsor's existing customized code, scripts, modules, etc. as needed.
- Testing and troubleshooting Sponsor-developed software solutions in a development/test environment.
- Maintaining the Extract Transform Load (EFL) process to dynamically pull data from various sources, normalize it, and store it.
- Adding new data sources based on Sponsor requirements, monitoring existing sources, and troubleshooting and fixing issues as they arise.
- Performing operations and maintenance, upgrades, and troubleshooting of Sponsor's web applications in Sponsor's outward-fating cloud environment.
- Assisting with deploying web tools to Sponsor's Cloud architecture.
- Providing metadata, commented code, user manuals, system requirements, system security plans, and other documents required for future users.
- Creating and delivering program and project artifacts and deliverables.
- Supporting Sponsor's and program's strategic and tactical planning activities.
Qualifications
Active TS/SCI w/ Poly.
Demonstrated professional experience with the following required tools, systems, services, and data types:
- Programming languages such as Python, Java, JavScript, and C++.
- Cloud computing services from major providers, including experience with cloud-based development and deployment.
- Database management systems, such as Oracle.
- Version control systems, such as Git.
- Web development frameworks and technologies, such as Flask and Django.
Preferred Qualifications
- Experience with the Sponsor’s enterprise services, security controls, and data management practices.
- Familiarity with outward-facing Cloud environment and outward-facing applications.
- Experience with APIs and data management tools and structures.
Additional Information: Working Conditions
Working conditions are normal for an office environment.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
About the Company
Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.
From SOSi's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
Rolev.ai is a job search and application tool for US job seekers. For this Full Stack Developer role at SOSi, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.
See how you fit
Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.
Tailor without inventing
Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.
Draft the full kit
Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.
1-Click Extension Autofill
The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.
Similar roles
All Software Developer jobs- Software DeveloperAccenture Federal Services · Washington, DC · $97.5k – $115k/yr
- Software Developer 803Freedom Technology Solutions Group · Annapolis Junction, MD · $150k – $200k/yr
- Software DeveloperPurvis Systems · Newport, RI
- NASA Human Spaceflight Artificial Intelligence (AI) Software Engineer and Data ScientistCACI · Houston, TX
- Senior Manager Software EngineeringNasdaq · Atlanta, GA
- Software Engineering Supervisor - Test SystemsMoog · Torrance, CA
Common questions
Where is the Full Stack Developer job at SOSi located?
This Full Stack Developer position at SOSi is located in Chantilly, VA (On-site). Always check SOSi's application page for specific state eligibility or relocation policies.
What qualifications are required for Full Stack Developer at SOSi?
For the Full Stack Developer role, SOSi highlights experience with Python, Java, JavaScript, Flask, Django. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Full Stack Developer position at SOSi?
This listing links directly to SOSi's SmartRecruiters application page. You can apply directly on SOSi's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the SmartRecruiters application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.