> Markdown version of [/jobs/ext/4310872-mid-level-full-stack-engineer-323k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4310872-mid-level-full-stack-engineer-323k-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). --- # Mid-Level Full Stack Engineer [$323k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Salary:** $323,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Business Analytics Applications, Automation of Tests, Cascading Style Sheets (CSS), Continuous Integration, Relational Databases, Programming Tools, Design of User Interfaces, Python (Programming Language), PostgreSQL, Software Engineering, SQLite, TypeScript, Visual Analytics, ReactJS, Gitlab, AngularJS, Data Pipelines, Docker - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9263269/mid-level-full-stack-engineer-323kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 12+ years * Total Compensation: $323k+ yearly ## Description * Develop custom software solutions, analytic pipelines, and interactive data visualizations. * Create intuitive user interfaces and automate mission-focused operational workflows. * Build, deploy, and maintain robust applications across modern technology stacks., * Gather user requirements and implement enhancements to existing software and analytic tools. * Design, build, and maintain responsive front-end user interfaces using JavaScript, TypeScript, HTML, CSS, React, or Angular. * Develop back-end services, automation scripts, and data pipelines using Python. * Work with relational database systems such as PostgreSQL and SQLite. * Utilize Docker for containerization and GitLab for CI/CD pipeline automation. * Leverage modern AI developer tools and agents to optimize development and research workflows. * Independently manage projects and collaborate with cross-functional teams throughout the complete software development lifecycle.