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

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.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000.

ManTech is an affirmative action / equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply.

ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity / affirmative action policies.

ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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