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# Junior Full-Stack Engineer [$271k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Starter
- **Salary:** $271,000.0
- **Contract:** Permanent contract
- **Skills:** Query Performance, Java (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Unit Testing, Persistent Data Structure, Linux, MongoDB, Node.Js, Responsive Web Design, Software Deployment, Software Engineering, Web Applications, Cloud Platform System, Test-Driven Development (TDD), ReactJS, Reliability of Systems, Backend, Git
- **Published:** September 25, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9192546/junior-full-stack-engineer-271kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 3+ years
 * Total Compensation: $271k+ yearly (tentative)

## Description

* Develop and maintain mission-critical web applications across the entire software development lifecycle.
 * Implement full-stack solutions using Java, React, Node.js, and MongoDB within Linux and cloud environments.
 * Employ test-driven development, comprehensive unit testing, and Git version control to ensure software reliability.
 * Collaborate with cross-functional teams and analysts to refine requirements and deliver technical enhancements., * Participate in all phases of product development, including architecture design, coding, testing, and deployment.
 * Develop resilient backend services and APIs using Java and Node.js with Express.
 * Build interactive and responsive user interfaces leveraging React.js.
 * Maintain and optimize data persistence and query performance using MongoDB.
 * Execute unit testing and automated testing strategies using test-driven development principles.
 * Work directly with users and team members to diagnose operational issues and engineer robust solutions.
 * Support application deployment, configuration, and maintenance within cloud environments.


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