MANTECH seeks a motivated, career and customer-oriented **Junior Software Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but are not limited to:** As a Junior Software Engineer, you will play a key role in supporting the development and delivery of secure, impactful software solutions for our government clients. Your contributions will directly assist in enhancing operational efficiency and data integrity, fostering a collaborative environment focused on learning and growth. + Implement new features, enhancements, and bug fixes for web applications and services under the guidance of senior engineers, adhering to established design patterns and coding standards. + Participate in testing, debugging, and troubleshooting efforts to ensure the performance, security, and availability of our software products. + Actively engage in code reviews, learn about secure coding practices, and contribute to the team's adoption of CI/CD pipelines and automated testing strategies. + Work effectively within an Agile framework, contributing to team discussions, sprint planning, and daily stand-ups to deliver value iteratively. + Assist in creating and maintaining technical documentation and clearly communicate progress and challenges to team members and stakeholders. **Minimum Qualifications:** + Bachelor's degree in a technical field with 2+ years, or Master's degree with 0+ years, of professional software engineering experience. + Demonstrated understanding of web application and web service development principles, with practical experience in coding, debugging, and testing. + Proficiency in at least 1 of the following programming languages: Python, JavaScript / Typescript + Familiarity with fundamental concepts related to containers (Docker / Kubernetes), cloud services (AWS), version control (Git), databases (SQL / NoSQL), and automated testing. + Experience working as part of an Agile software development team. **Preferred Qualifications:** + Current CompTIA Security+ certification. + Professional experience with modern front-end frameworks like Angular. + Basic understanding or exposure to Continuous Integration (CI), Continuous Delivery/Deployment (CD), and automated testing concepts. + Hands-on experience with specific databases such as PostgreSQL or Elasticsearch. + Professional software development experience supporting DOD or Intelligence Community clients or other relevant classified software development work experience. + Demonstrated strong communication skills and ability to work effectively in a collaborative team environment. **Clearance Requirements:** + Must have a current/active TS/SCI with Polygraph **Physical Requirements:** + Must be able to remain in a stationary position 50% of the time + Occasionally move about inside the office to access file cabinets, office machinery + Frequently communicates with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations 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. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.