ManTech is seeking a motivated, career and customer-oriented Senior Application Developer to join our team in Chantilly, VA.

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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