> Markdown version of [/jobs/ext/3003438-senior-full-stack-engineer-303k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3003438-senior-full-stack-engineer-303k-yr-ts-sci-fs-poly). 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 Engineer [$303k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $303,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Performance Management, HTML5, Cascading Style Sheets (CSS), Software Debugging, Node.Js, Scaled Agile Framework, Web Applications, Website Wireframe, Modern Ui, ReactJS, Gitlab, Browser Testing, Restful APIs, Software Version Control, Docker, Microservices - **Published:** September 19, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9178351/senior-full-stack-engineer-303kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 14+ years * Total Compensation: $303k+ yearly (tentative) ## Description * Develop, maintain, and optimize responsive user interfaces and graph visualization interfaces using Node.js, React, JavaScript, HTML5, and CSS3. * Build and consume RESTful APIs while deploying containerized microservices utilizing Docker and Kubernetes. * Collaborate within a Scaled Agile Framework leveraging GitLab for version control to deliver mission-focused web applications., * Translate wireframes, mockups, and prototypes into functional, responsive, and scalable user interfaces. * Collaborate with stakeholders and team leadership to capture requirements and recommend product enhancements. * Maintain UI consistency with established design principles using modern UI libraries, frameworks, and reusable components. * Perform cross-browser testing across approved platforms to ensure a seamless user experience. * Debug and troubleshoot complex UI issues while continuously optimizing application performance. * Participate in peer code reviews to provide and receive constructive feedback and maintain high code quality. ## Related Videos - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [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) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)