Application Developer

About The Company MANTECH is a leading technology solutions provider dedicated to delivering innovative and reliable services to government agencies and commercial clients. With a strong focus on cybersecurity, software development, systems engineering, and enterprise IT solutions, MANTECH prides itself on its commitment to excellence, integrity, and customer satisfaction. The company fosters a collaborative and inclusive work environment that encourages continuous learning and professional growth. MANTECH's mission is to empower its clients with cutting-edge technology and tailored solutions that meet their unique operational needs, ensuring mission success in a rapidly evolving digital landscape. About The Role We are seeking a highly motivated and experienced Application Developer to join MANTECH’s dynamic team in Chantilly, VA. This full-time position is ideal for professionals who are passionate about software development and eager to contribute to impactful projects. The Application Developer will be responsible for supporting and enhancing existing applications, as well as developing new software solutions to meet evolving client requirements. The role involves working closely with cross-functional teams, including project managers, system analysts, and other developers, to deliver high-quality software products in a timely manner. The ideal candidate will possess strong technical skills, a proactive attitude, and a commitment to continuous improvement in development practices. Qualifications The ideal candidate should possess the following qualifications: A high school diploma or GED with at least 7 years of experience in the Information Technology field.Proven expertise in Java programming with hands-on development experience.Proficiency in web technologies including HTML, CSS, JavaScript, and experience with at least one modern front-end framework, preferably Angular.Knowledge of or experience with the Spring Framework, RESTful services, SQL databases, and ORM libraries such as Hibernate/JPA.Experience with Git version control, including branching and merging within a team environment. Preferred qualifications include strong multitasking abilities, effective communication skills with multiple stakeholders, and familiarity with Elasticsearch and secure web application development best practices. Candidates with an active TS/SCI clearance with Polygraph are highly desirable. Responsibilities The Application Developer will be responsible for a variety of technical and collaborative tasks, including: Designing, programming, developing, and modifying software systems, applications, and tools, both existing and future projects.Analyzing user needs and software requirements to assess the feasibility of design within project constraints regarding time and cost.Collaborating with team members, service providers, vendors, and end-users to develop new features and improve existing functionalities.Developing comprehensive unit and integration tests, participating in functional and regression testing to ensure software quality and correctness.Identifying and correcting errors, making necessary adjustments, and re-verifying the results to meet desired outcomes.Reviewing help desk messages and working with other teams to troubleshoot and resolve production issues efficiently.Participating in code reviews, providing constructive feedback, and incorporating best practices to maintain high coding standards.Deploying code to various environments—development, testing, and production—using existing DevOps tools and infrastructure. Benefits MANTECH offers a comprehensive benefits package designed to support the well-being and professional growth of its employees. Benefits include competitive salaries, health insurance (medical, dental, vision), retirement plans, paid time off, and professional development opportunities. The company also promotes a healthy work-life balance, flexible work arrangements, and a collaborative environment that values innovation and teamwork. Employees are encouraged to pursue continuous learning and certification programs to enhance their skills and career progression within the organization. Equal Opportunity MANTECH is an equal opportunity employer committed to fostering an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, veteran status, or any other protected characteristic. We believe that diversity enhances our ability to serve our clients and innovate solutions. All qualified applicants will receive consideration for employment without regard to any protected status, and we are dedicated to creating a workplace that reflects the diverse communities we serve.