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# Mid-Level Full-Stack Developer [$348k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Herndon, VA, United States
- **Experience:** Experienced
- **Salary:** $348,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Apache Tomcat, C++ (Programming Language), Cascading Style Sheets (CSS), Design of User Interfaces, Python (Programming Language), Systems Development Life Cycle, Data Streaming, Web Applications, Web Services, Spring-boot, Backend
- **Published:** September 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9198095/mid-level-full-stack-developer-348kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 13+ years
 * Total Compensation: $348k+ yearly (tentative)

## Description

* Provide comprehensive full-stack software development support for mission-critical classification tools.
 * Design, build, and maintain both robust desktop and web-based applications.
 * Utilize a wide range of modern languages and frameworks to deliver high-performance software solutions., * Develop, test, and deploy desktop and web applications across the full development lifecycle.
 * Implement backend services and APIs using Java, Spring Boot, Apache Tomcat, Python, and .NET.
 * Build intuitive user interfaces leveraging HTML, CSS, and modern JavaScript.
 * Write efficient low-level and systems code in C and C++ to optimize tool performance.
 * Integrate, manage, and consume web services to ensure seamless data flow across systems.