Junior Developer

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Junior Developer to join our team in Annapolis Junction, MD.

The Junior Developer is part of a dynamic development team, focusing on writing efficient and maintainable code, collaborating with other developers and engineers, and contributing to the development of web applications, backend services, and automation workflows. This role provides opportunities for career growth, mentoring, and hands‑on experience with modern software development tools and practices. You will primarily use Python for backend development while gaining exposure to front‑end technologies and a variety of tools such as databases, React, Docker, and Ansible.

• Writing clean, maintainable, and efficient code using Python for backend services, web application logic, and developing/maintaining RESTful APIs.
• Collaborating with senior developers to design, implement, and optimize software using Git version control practices, while participating in daily standups.
• Implementing unit tests using frameworks like pytest and conducting code reviews to ensure application quality, performance, and smooth troubleshooting.
• Writing and optimizing SQL queries and designing schemas for relational databases such as PostgreSQL, MySQL, or SQLite to support backend functionality.
• Containerizing applications using Docker and managing application images consistently across development, testing, and production environments.
• Utilizing Ansible for automating deployment, configuration management, and performing basic Linux system administration and server troubleshooting tasks.

• Bachelor’s degree in an IT related field and 1+ years of relevant experience in software development, including internships, academic projects, or professional environments.
• Proficiency in Python development for writing scripts, backend applications, and developing or consuming RESTful APIs.
• Experience with Git version control systems for source control management and collaborative team workflows.
• Knowledge of SQL and experience working with relational databases such as PostgreSQL, MySQL, or SQLite.
• Strong problem‑solving, communication, and time management skills to effectively prioritize tasks and collaborate within an agile team.

• Experience building components and managing state with React.js, and familiarity with Type Script.
• Experience containerizing applications with Docker and managing multi‑container setups using Docker Compose.
• Exposure to automated configuration management using Ansible and basic Linux system administration or deployment troubleshooting.
• Familiarity with CI/CD pipelines, Git Lab CI, and writing unit tests with frameworks like pytest or Jest.
• Basic understanding of cloud services (AWS, Azure, or GCP) and modern web frameworks like Vue.js, Angular, or Node.js.

• An active TS/SCI with Polygraph is required to start.

• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co‑workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $76,800.00-$. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation.

MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short‑term and long‑term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.