> Markdown version of [/jobs/ext/2771498-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/2771498-full-stack-developer). 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). --- # Full Stack Developer - **Company:** Legacy - **Location:** Aberdeen Proving Ground, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Microsoft Azure, Client Server Models, Cascading Style Sheets (CSS), Cloud Computing, Databases, Software Debugging, DevOps, PostgreSQL, MongoDB, MySQL, NoSQL, SQL Databases, Vaadin, Web Applications, Web Application Frameworks, WebSocket, WebRTC, Google Cloud, ReactJS, Spring-boot, Backend, Git, Vue.js, SC Clearance, Containerization, AngularJS, Information Technology, Front End Software Development, Software Version Control, Docker - **Published:** September 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8808713/full-stack-developer ## About the Role Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience). 5+ years experience as a Full Stack Developer or similar role. Strong proficiency in Java and experience with Java-based web frameworks (e.g., Spring Boot, Vaadin, or Jakarta EE). Expertise in front-end technologies, including HTML, CSS, and JavaScript. Experience with modern front-end frameworks such as React, Angular, or Vue.js. Solid understanding of client-server architecture and web protocols (HTTP, REST). Experience with databases, both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB). Familiarity with version control systems, such as Git. Excellent problem-solving and communication skills. Preferred Qualifications Experience with cloud platforms (e.g., AWS, Azure, Google Cloud). Knowledge of containerization technologies like Docker and Kubernetes. Experience with CI/CD pipelines and DevOps practices. Experience with WebSocket for real-time communication. Minimum Secret Clearance, with the ability to obtain a SCI ## Description Architect, design, and develop a new client-server web application based on an existing Java application. Develop and maintain both the front-end and back-end components of the web application. Collaborate with the development teams, product managers, stakeholders, and designers, to define and implement new features. Write clean, efficient, and well-documented code. Ensure the application is scalable, secure, and performs optimally. Troubleshoot and debug issues across the entire application stack. Stay up-to-date with the latest industry trends and technologies to ensure the application remains modern and competitive. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [What is a web developer?](https://www.wearedevelopers.com/magazine/18-what-is-a-web-developer) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)