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Full time
Technology

Application Developer

MANTECHChantilly, VA🇺🇸United StatesPosted 10 Jul 2026

Why This Role Stands Out

This hybrid Application Developer role offers exciting opportunities to design, develop, and enhance software alongside a collaborative team, perfect for mid-senior professionals eager to expand their skills in Java and modern frameworks. You'll contribute to impactful projects within a reputable organization, enjoying the flexibility of a hybrid work environment. Apply today to join this dynamic technology team and advance your career!

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Application Developer | Chantilly, VA, United States | Hybrid We're hiring for a well-established organization seeking a talented Application Developer to contribute to their mission. This role involves a blend of maintaining and enhancing existing systems while also participating in new development initiatives. The Role • Design, develop, and modify software systems, applications, and tools. • Analyze user needs and software requirements to determine design feasibility within time and cost constraints. • Collaborate with teammates, vendors, and users to develop new program features. • Develop unit and integration tests, and participate in functional and regression testing. • Troubleshoot and resolve production issues by reviewing help desk messages and working with cross-functional teams. • Participate in code reviews, providing and incorporating feedback within established standards. • Deploy code to development, test, and production environments. What You'll Need • High School Diploma/GED with 7+ years of experience in IT. • Strong Java programming and development skills with hands-on experience. • Experience with HTML, CSS, JavaScript, and a modern front-end framework (preferably Angular). • Experience with or knowledge of the Spring Framework, RESTful services, SQL, and ORM libraries like Hibernate/JPA. • Experience with Git for source code management, including branching and merging. • An active TS/SCI with Polygraph clearance. What's On Offer • Opportunity to work on diverse development projects. • Collaborative team environment. • Potential for professional growth within a reputable organization. • Hybrid work model offering a balance between office and remote work. Apply via Haystack today!

Skills

SQL
Spring
Angular
CSS
Git
HTML
Hibernate
Java
JavaScript

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