Back End Developer

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role.MANTECH seeks a motivated, career and customer-oriented Back-End Developer to join our team in Springfield, VA.The Back-End Developer will lead the design, implementation, and maintenance of server-side logic, APIs, and system integration for technical applications. You will help ensure back-end components meet technical requirements and security standards while supporting overall mission objectives.Responsibilities Include But Are Not Limited ToDesigning, developing, and maintaining server-side applications and APIs.Building and managing databases while ensuring data integrity and security.Integrating with authentication systems and security frameworks to meet all requirements.Writing clean, efficient, and well-documented code for systems and interfaces.Implementing security controls and maintaining a robust library of technical documentation.Collaborating with developers and stakeholders to ensure seamless system integration.Providing technical leadership and mentoring to junior developers to drive the technical agenda. Minimum QualificationsBachelor's degree in Computer Science or related field with 8+ years of experience in back-end development.Expertise in back-end programming languages such as Python, Java, C#, Ruby, or Node.js.Strong understanding of SQL and NoSQL database technologies and optimization techniques.Experience with API design and development, including REST or GraphQL.Proficiency with cloud platforms and containerization technologies like Docker and Kubernetes.Knowledge of server-side frameworks and security best practices for classified environments.Knowledge of database design and optimization techniquesExperience with authentication and authorization systems Preferred QualificationsExperience working with classified systems and meeting complex security requirements.Expertise in designing microservices architectures and using message brokers like Kafka.Proficiency with Infrastructure as Code (IaC) tools such as Terraform or Ansible.Experience with serverless computing and high-performance data processing. Clearance RequirementsAn active TS/SCI with the ability to obtain and maintain a polygraph. Physical RequirementsThe person in this position must be able to remain in a stationary position 50% of the time.You will need to occasionally move about inside the office to access file cabinets and office machinery.You must be able to exchange accurate information when frequently communicating with co-workers and management.