> Markdown version of [/jobs/ext/552465-senior-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/552465-senior-full-stack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer - **Company:** Open Systems Inc. - **Location:** Alexandria, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Confluence, JIRA, Unit Testing, Bash Shell, C++ (Programming Language), Cloud Computing, Compilers, Collaborative Software, Computer Programming, Continuous Integration, Software Debugging, Gradle, Hypertext Transfer Protocols (HTTP), Web Servers, Spring Framework, Python (Programming Language), PostgreSQL, Node.Js, Service-Oriented Architecture, Software Engineering, Systems Integration, TypeScript, Web Services, Transport Layer Security, ReactJS, Gitlab, Amazon Relational Database Service, Non-relational Database, Software Version Control, Docker - **Published:** June 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8976055/senior-full-stack-developer ## About the Role * Requires a Bachelor's Degree and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience; OR 6 years of experience in lieu of degree * Must possess an active Top Secret Security Clearance with ability to obtain SCI post-hire * Proficient in software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services). * Experience with GNU based compilers * Experience programming in C++, Java, Typescript, and Bash * Experience developing in the following frameworks: Spring/Gradle/OpenJDK, React/Node * Demonstrated hands-on experience with relational and non-relational database systems such as Amazon RDS, Postgres * Strong experience coding in Python * Experience using GitLab for version control, CI/CD pipelines, and resource management * Experience using Docker to package and run applications * Experience with Web-related protocols and technologies, such as web servers, HTTP, SSL * Familiar with AWS/Cloud technologies * Strong communication skills both verbal and written. * Team Collaboration tools (Jira, Confluence) Preferred Qualifications: * Previous experience supporting the NGA customer. * Proficient in AWS/Cloud technologies Ability to work in a high-paced environment, multi-task (prioritize and manage), and work both independently and as a team. ## Description Primary responsibilities will involve coding, developing, integrating, and debugging software artifacts; writing validation tests against existing baselines to ensure integrity of the code during Agile development efforts; assisting with unit testing; programming; and developing in Python, Java Spring, or other frameworks. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)