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# Mid-level Java Full Stack Developer

- **Company:** Leidos, Inc.
- **Location:** United States (Remote available)
- **Experience:** Experienced
- **Salary:** $87,100.0 - $157,450.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Agile Methodology, Automation of Tests, Unit Testing, Bootstrap (Software), Code Review, Databases, Continuous Integration, Data Structures, Software Design Patterns, Gradle, Java Web Services, Spring Framework, Junit, Object-Oriented Software Development, Oracle (Applications), Software Engineering, PL-SQL, SQL Databases, Web Applications, Freeform SQL, Enterprise Software Applications, Test-Driven Development (TDD), Git, Webpack, AngularJS, Information Technology, Restful APIs
- **Published:** July 13, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9027633/mid-level-java-full-stack-developer

## About the Role

We are looking for a true Full Stack Developer who enjoys working across the entire application stack, from designing responsive user interfaces to developing robust Java services and writing complex SQL queries that power enterprise applications.

If you're someone who enjoys solving challenging technical problems, writing clean code, collaborating with other engineers, and owning features from front-end through database, we'd love to hear from you.

This position is 100% remote

Be a U.S. Citizen or a US Person (Permanent Resident) with the ability to obtain a Public Trust Clearance, * Bachelor's degree in Computer Science, Information Technology, or a related field with 4+ years of experience, * Experience with Oracle and PL/SQL is desirable.

 * Experience with object-oriented design principles, design patterns, and data structures.
 * Experience working in Agile development environments.
 * Experience with unit testing (JUnit, Vite), test-driven development, and CI/CD practices.
 * Knowledge of secure software development and common web application vulnerabilities.
 * Experience with Gradle and Git.
 * Excellent communication and collaboration skills.

## Description

* Design, develop, and maintain enterprise web applications using Java, Spring, Angular, Bootstrap, REST, and SQL.
 * Build responsive front-end applications while developing scalable back-end services.
 * Write, optimize, troubleshoot, and maintain complex SQL queries and database objects.
 * Collaborate with architects, DBAs, analysts, testers, and customers throughout the software development lifecycle.
 * Participate in code reviews, design discussions, and technical planning.
 * Troubleshoot production issues and implement long-term solutions.
 * Develop secure, maintainable, scalable code following modern software engineering best practices.
 * Contribute to automated testing, continuous integration, and ongoing application improvements.


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