Senior Application Developer

ManTech - Chantilly, VA

Full-time

Chantilly, VA

Professional, Scientific, and Technical Services

About the position

The position involves full-time development and enhancement support for existing applications as well as new development within a Big Data environment. The successful candidate will work with a diverse team of IT and analytics professionals to contribute to national security through innovative software solutions.

Responsibilities

• Designing, programming/developing, and modifying software systems, applications, and tools.
• Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints.
• Collaborating with teammates, service providers, vendors, and users to develop new program features.
• Developing unit and integration tests, and participating in functional and regression tests.
• Correcting errors by making appropriate changes and re-checking programs to ensure desired results.
• Participating in code reviews and providing feedback based on existing standards.
• Deploying code to development, test, and production environments using existing DevOps infrastructure/tools.
• Reviewing help desk messages and working with teams to troubleshoot and resolve production issues.
• Organizing and maintaining documentation of application development and revisions.

Requirements

• 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 communicate with multiple stakeholders.
• High School Diploma or GED.
• Security Clearance Requirements: TS/SCI w/Polygraph.

Nice-to-haves

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

Benefits

• Equal opportunity employer with affirmative action policies.
• Reasonable accommodations for applicants with disabilities.