Senior Application Developer
SOS International LLC14 days ago
Fort Belvoir, VA, USASenior
Base Salary
$140k - $155k/yr
Responsibilities
- Design, develop, test, integrate, deploy, maintain, and document complex software applications.
- Lead application architecture, component design, system integration, modernization, and performance optimization.
- Analyze requirements, create technical specifications, customize GOTS applications, and recommend solutions to complex technical challenges.
- Review code, troubleshoot application-stack issues, and provide technical guidance to lower-level developers and engineers.
- Collaborate with product managers, QA, DevOps, project managers, client representatives, and other customer stakeholders.
- Support project planning, scheduling, execution, tracking, and estimation across multiple concurrent projects.
- Mentor junior developers, support knowledge sharing, and contribute to development standards, automation, and process improvements.
- Oversee technical issues involving the operation, maintenance, and modification of supported applications while following agency policies and regulations.
Requirements
- Bachelor’s or postgraduate degree in engineering, scientific, technical, or business management disciplines from an accredited college or university.
- At least 5 years of technical supervisory experience in an application or software development environment.
- 5–8+ years of professional experience in software or application development.
- Active in-scope Top Secret security clearance, or Secret clearance with the ability to obtain Top Secret.
- Experience with GOTS applications such as ARMIS, AAO, ACOTD, FACTS, MDR, or ADAMS.
- Experience with Microsoft SQL, the .NET framework, configuration management, and Change Control Boards.
- Proficiency in modern programming languages and frameworks such as C#, JavaScript, and .NET.
- Hands-on experience with AWS, Azure, or GCP cloud platforms and services.
- Experience with application integration, relational and NoSQL databases, CI/CD pipelines, version control systems, and automated testing.
- Baseline and computing environment certifications for IAT-II under DoD 8570.01-M, such as CCNA-Security, CySA+, GICSP, GSEC, Security+, CND, or SSCP.
- Ability to schedule, track, and perform work across multiple concurrent projects and communicate with diverse stakeholders.
- Strong analytical, problem-solving, communication, and independent-work abilities.
Benefits
- Compensation is $140K–$155K yearly.
- 100% onsite at the government site in Fort Belvoir, Virginia; no hybrid or remote availability.
- Normal office conditions with core operating hours Monday through Friday, 0600–1700.
- SOSi states that all interested individuals will receive consideration without discrimination.
Tech Stack
Categories
About SOS International LLC
SOS International LLC (SOSi) provides technology, intelligence, language, and logistics services to U.S. and allied government customers, including defense and intelligence agencies. The privately held firm, founded in 1989 and headquartered in Reston, Virginia, delivers data science, software, cybersecurity, ISR, and enterprise IT solutions under government contracts across operations in multiple countries. Its work spans systems engineering, secure information sharing, and mission support for combatant commands and law-enforcement partners.