Backend​/API Engineer

Req : 376138

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Backend / API Engineer to join our team in Bethesda (REMOTE), Maryland (US-MD), United States (US).

The Backend / API Engineer is responsible for the design, development, and maintenance of secure, scalable, and high-performance backend services and APIs that underpin the client’s platform. This role is central to enabling the integration of cloud-based, IoT-enabled, and role-based access control (RBAC) functionalities required for the modernization of client’s radiation exposure management. The engineer works closely with product owners, solution architects, and cross-functional development teams to implement robust backend modules supporting dosimeter data ingestion, inventory management, personnel exposure tracking, and organizational hierarchy workflows.

The position requires deep technical expertise in developing RESTful APIs, microservices, and data pipelines that interface with AWS Gov Cloud, Green grass IoT gateways, and secure networks. The Backend / API Engineer ensures all backend components adhere to cybersecurity, privacy, and compliance requirements, including IL4, FedRAMP, and RMF controls, and supports the implementation of Dev Sec Ops  practices for continuous integration, automated testing, and secure deployment.

The engineer is responsible for maintaining comprehensive technical documentation, supporting data migration from legacy systems, and ensuring that all backend services are auditable, resilient, and aligned with the mission‑critical needs of operational communities. This role is essential for delivering a unified, reliable, and secure backend infrastructure that enables client to support complex user workflows, real‑time data processing, and regulatory reporting across a geographically distributed enterprise.

• Design, develop, and maintain backend services and RESTful APIs for client modules, including dosimeter ingestion, inventory, and exposure tracking.
• Implement secure data pipelines and microservices that integrate with AWS Gov Cloud, Green grass IoT gateways, and enterprise systems
• Ensure all backend components comply with DoD IL4, FedRAMP, RMF, and cybersecurity requirements
• Collaborate with product owners, solution architects, and frontend engineers to define API contracts and support end-to-end system integration
• Support the migration of legacy data and services into the modernized platform, ensuring data integrity and auditability
• Implement and maintain automated testing, CI/CD pipelines, and Dev Sec Ops  practices for backend codebases
• Develop and maintain technical documentation for backend services, APIs, and integration points
• Troubleshoot, optimize, and enhance backend performance, scalability, and reliability to meet operational requirements
• Participate in code reviews, security assessments, and compliance audits as required by contract and SOW
• Provide technical support for user acceptance testing, deployment, and ongoing operations of backend services

• Bachelor’s degree in a quantitative field such as engineering or mathematics (e.g., Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems)
• Minimum 3 years of experience with software engineering
• Minimum 1 year of experience with applying programming concepts in a professional or academic setting
• Minimum 1 year of experience with applying modern software development methodologies (e.g., agile, DEVOPS/DEVSECOPS) in a professional or academic setting
• US Citizen with the ability to obtain a Secret Clearance

• Experience developing backend services and APIs for cloud-based, IoT-enabled, or regulated federal systems
• Agile Developer certification or Certified Scrum Developer certification
• Proficiency in Python, Java, or similar languages used for backend and API development
• Familiarity with AWS Gov Cloud, Green grass, and secure data integration in DoD environments
• Experience…