Application Developer

Company: ManTech
Location: Chantilly
Posted on: April 4, 2025

Job Description:

ManTech seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA -The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development. -Responsibilities include but are not limited to:

• Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the future
• Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints
• Collaborating with teammates, other service providers, vendors, and users to develop new program features
• Developing unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correct
• Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. - As well as, - reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issues
• Participating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.
• Deploying code to development, test, and production environments using existing DevOps infrastructure/tools -Minimum Qualifications:
  • High School Diploma/GED with 7+ years of experience in the Information Technology field
  • Strong Java programming/development skills, with hands-on experience
  • Experience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably Angular
  • Experience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPA
  • Experience with Git branching and merging within a team to manage source code -Preferred Qualifications:
    • Strong ability to manage competing priorities and communication to multiple stakeholders
    • Experience with, or knowledge of, Elasticsearch
    • Experience with, or knowledge of, best practices for developing secure web applications -Clearance Requirements:
      • An active TS/SCI with Polygraph -Physical Requirements:
        • Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
        • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
        • Must be able to remain in a stationary position 50% of the time

Keywords: ManTech, Washington DC , Application Developer, IT / Software / Systems , Chantilly, DC