Backend / API Engineer

NTT DATA Services•Bethesda, OH

3d•$68,076 - $141,826•Remote

About The Position

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 GovCloud, Greengrass 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 DevSecOps 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.

Requirements

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

Nice To Haves

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 GovCloud, Greengrass, and secure data integration in DoD environments
Experience implementing RBAC, organizational hierarchy, and secure authentication/authorization mechanisms
Knowledge of DoD cybersecurity, privacy, and RMF requirements for IL4/IL5 systems
Experience with automated testing, CI/CD pipelines, and DevSecOps practices
Strong documentation and communication skills, including the ability to produce technical specifications and API documentation
Experience supporting data migration, legacy system integration, and operational troubleshooting in large-scale enterprise environments

Responsibilities

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 GovCloud, Greengrass 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 DevSecOps 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