Application Developer

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.

• 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; also 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 Dev Ops infrastructure/tools.

• 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.

• 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.

• An active TS/SCI with Polygraph.

• 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.