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.
Job Description*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
- Active TS/SCI w/ Poly.
- 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.
- 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.
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.
Skills Required
- Active TS/SCI clearance with polygraph
- Professional experience with Python, Java, JavaScript, and C++
- Experience with cloud computing services and cloud-based development and deployment
- Experience with database management systems such as Oracle
- Experience with version control systems such as Git
- Experience with web development frameworks and technologies such as Flask and Django
- Experience with the Sponsor’s enterprise services, security controls, and data management practices
- Familiarity with outward-facing cloud environments and applications
- Experience with APIs and data management tools and structures
SOSi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SOSi and has not been reviewed or approved by SOSi.
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Healthcare Strength — Health coverage is considered a relative strength, with international plan options and substantial employer contribution that support OCONUS and travel-heavy work. Company materials also highlight a comprehensive medical offering alongside wellness support.
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Retirement Support — A 401(k) program is available, with indications of employer matching though specifics are not publicly detailed. This suggests foundational retirement support for eligible employees.
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Career-Linked Recognition & Rewards — Compensation is often characterized as competitive for cleared, hard‑to‑hire, and certain overseas or mission‑critical roles. Pay levels appear closely tied to contract demands, clearance, and location.
SOSi Insights
What We Do
SOSi is a technology and services integrator focused on the aerospace, defense, and government services industry, described as one of the largest private, founder-owned companies in its sector.
