Application Developer
North America
October 18, 2026 at 5:10 PM
✨ AI summary
Location
- Chantilly, VA
Programming Languages
- Java
- HTML
- CSS
- JavaScript
Frameworks
- Angular
- Spring Framework
- Hibernate/JPA
Databases
- SQL
Experience Level
- 7+ years experience
About The Company
MANTECH is a leading provider of innovative technology solutions, dedicated to delivering mission-critical services to government agencies and commercial clients. With a strong focus on cybersecurity, software development, and systems engineering, MANTECH has built a reputation for excellence, integrity, and a commitment to advancing technological capabilities. The company fosters a collaborative and inclusive work environment, encouraging continuous learning and professional growth. MANTECH's mission is to solve complex challenges through innovative solutions, ensuring their clients stay ahead in a rapidly evolving digital landscape.
About The Role
We are seeking a motivated and experienced Application Developer to join our dynamic team in Chantilly, VA. This full-time role involves developing, maintaining, and enhancing existing applications, as well as contributing to new development projects. The ideal candidate will have a strong background in Java development, front-end technologies, and experience working within a collaborative team environment. This position offers an excellent opportunity to work on impactful projects that support national security and technological advancement. The Application Developer will be responsible for designing, coding, testing, and deploying software solutions, ensuring they meet the highest standards of quality and security. The role requires a proactive approach to troubleshooting and resolving issues, participating in code reviews, and working closely with stakeholders to deliver solutions that align with organizational goals.
Qualifications
The minimum qualifications for this role include a High School Diploma or GED with over 7 years of experience in the Information Technology field. The candidate must possess strong Java programming and development skills, with hands-on experience in building robust applications. Additionally, proficiency in HTML, CSS, JavaScript, and at least one modern front-end framework such as Angular is required. Experience with the Spring Framework, RESTful services, SQL, and ORM libraries like Hibernate/JPA is essential. Familiarity with Git for source code management within a team environment is also necessary. Preferred qualifications include the ability to manage multiple priorities effectively, excellent communication skills to liaise with various stakeholders, and knowledge of Elasticsearch and best practices for developing secure web applications. Candidates should demonstrate a strong problem-solving mindset and a commitment to delivering high-quality, secure software solutions.
Responsibilities
MANTECH offers a comprehensive benefits package designed to support the well-being and professional growth of its employees. This includes competitive salary packages, health, dental, and vision insurance, and a robust retirement savings plan. Employees have access to paid time off, paid holidays, and flexible work arrangements where applicable. The company encourages continuous learning through training programs, certifications, and career development initiatives. MANTECH promotes a healthy work-life balance and provides a collaborative environment that fosters innovation, recognition, and personal achievement. Additionally, employees working on national security projects have the opportunity to contribute to impactful missions that make a difference in national safety and technological progress.
Equal Opportunity
MANTECH is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, disability, or any other protected status. We believe that a diverse workforce enhances our ability to innovate and deliver exceptional solutions to our clients. All qualified applicants will receive consideration for employment without regard to any protected characteristic.
MANTECH is a leading provider of innovative technology solutions, dedicated to delivering mission-critical services to government agencies and commercial clients. With a strong focus on cybersecurity, software development, and systems engineering, MANTECH has built a reputation for excellence, integrity, and a commitment to advancing technological capabilities. The company fosters a collaborative and inclusive work environment, encouraging continuous learning and professional growth. MANTECH's mission is to solve complex challenges through innovative solutions, ensuring their clients stay ahead in a rapidly evolving digital landscape.
About The Role
We are seeking a motivated and experienced Application Developer to join our dynamic team in Chantilly, VA. This full-time role involves developing, maintaining, and enhancing existing applications, as well as contributing to new development projects. The ideal candidate will have a strong background in Java development, front-end technologies, and experience working within a collaborative team environment. This position offers an excellent opportunity to work on impactful projects that support national security and technological advancement. The Application Developer will be responsible for designing, coding, testing, and deploying software solutions, ensuring they meet the highest standards of quality and security. The role requires a proactive approach to troubleshooting and resolving issues, participating in code reviews, and working closely with stakeholders to deliver solutions that align with organizational goals.
Qualifications
The minimum qualifications for this role include a High School Diploma or GED with over 7 years of experience in the Information Technology field. The candidate must possess strong Java programming and development skills, with hands-on experience in building robust applications. Additionally, proficiency in HTML, CSS, JavaScript, and at least one modern front-end framework such as Angular is required. Experience with the Spring Framework, RESTful services, SQL, and ORM libraries like Hibernate/JPA is essential. Familiarity with Git for source code management within a team environment is also necessary. Preferred qualifications include the ability to manage multiple priorities effectively, excellent communication skills to liaise with various stakeholders, and knowledge of Elasticsearch and best practices for developing secure web applications. Candidates should demonstrate a strong problem-solving mindset and a commitment to delivering high-quality, secure software solutions.
Responsibilities
- Design, develop, and modify software systems, applications, and tools to meet organizational needs, both for current operations and future projects.
- Analyze user requirements and software specifications to assess feasibility within project timelines and budget constraints.
- Collaborate with team members, service providers, vendors, and end-users to develop new features and improve existing functionalities.
- Create and execute unit and integration tests, participate in functional and regression testing to verify program effectiveness and accuracy.
- Identify and resolve software errors by implementing appropriate changes, re-testing to confirm resolution, and reviewing help desk messages for ongoing issues.
- Participate in code reviews, providing constructive feedback and incorporating best practices to ensure code quality and maintainability.
- Deploy code across development, testing, and production environments utilizing existing DevOps tools and infrastructure.
- Maintain documentation related to application development, updates, and troubleshooting procedures.
- Stay updated with emerging technologies and industry trends to continuously improve development practices and application security.
MANTECH offers a comprehensive benefits package designed to support the well-being and professional growth of its employees. This includes competitive salary packages, health, dental, and vision insurance, and a robust retirement savings plan. Employees have access to paid time off, paid holidays, and flexible work arrangements where applicable. The company encourages continuous learning through training programs, certifications, and career development initiatives. MANTECH promotes a healthy work-life balance and provides a collaborative environment that fosters innovation, recognition, and personal achievement. Additionally, employees working on national security projects have the opportunity to contribute to impactful missions that make a difference in national safety and technological progress.
Equal Opportunity
MANTECH is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, disability, or any other protected status. We believe that a diverse workforce enhances our ability to innovate and deliver exceptional solutions to our clients. All qualified applicants will receive consideration for employment without regard to any protected characteristic.