Senior Application Developer

Secure our Nation, Ignite your Future

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.

Duties, Tasks & Responsibilities

• 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

• 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

• Reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issues

• Organizing and maintaining documentation of application development and subsequent revisions, so others are able to understand the program

Basic Qualifications:

• 10+ years 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

• Experience with, or knowledge of, SQL and 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

• 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

Security Clearance Requirements:

• TS/SCI w/ Polygraph

Desired Experience, Skills & Technologies

• Experience with, or knowledge of, Elasticsearch

• Experience with, or knowledge of, best practices for developing secure web applications

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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For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

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