Application Developer

ManTech International Corporation
Job LocationUS
Job TagFull Time


Join the top Information Technology and Analytic professionals in the industry to make invaluable contributions to our national security on a daily basis. In this innovative, self-contained, Big Data environment, the ManTech team is responsible for everything from infrastructure, to application development, to data science, to advanced analytics and beyond. The team is diverse, the questions are thought-provoking, and the opportunities for growth and advancement are numerous.

The successful candidate 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
  • Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced
  • Conducting testing of program and software applications to be sure they will produce the desired results and that instructions are correct
  • Organizing and maintaining documentation of application development and subsequent revisions, so others are able to understand the program
  • Collaborating with teammates, other service providers, vendors, and users to develop new programming methods
  • Entry and Senior levels available!


  • Minimum Qualifications:
    • 7+ years of relevant experience
    • Strong Java programming/development experience
    • Experience with HTML, CSS, JavaScript, and at least one modern front-end framework such as Angular
    • Experience with Spring and ORM libraries such as Hibernate/JPA
    • Experience working and interacting with different types of data stores (e.g. Oracle, Elasticsearch)
    • Experience with RESTful services
    • High School Diploma or GED
    • Master’s degree can replace 1 years of experience; and/or any relevant certification can replace 6 months of experience
  • Preferred Qualifications:
    • Experience with Ext JS (v3 and v4), Groovy (v2), Grails (v2), and Bootstrap (v3+)
    • Understanding of SQL and Elasticsearch
    • Strong ability to manage competing priorities and communication to multiple stakeholders
    • Cloud experience, particularly AWS
    • Security Clearance Requirements:
    • TS/SCI w/ 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.
    • Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

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