Backend Services Engineer

About NDi

Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of the business, which have been paramount to our company's success and the establishment of an enjoyable workplace atmosphere. At NDi, we believe that our people are the cornerstone of our success, and we value collaboration, career growth, and winning ideas.

Military Veterans are encouraged to apply.

The Backend Services Engineer will be responsible for designing, developing, and maintaining backend systems with a focus on delivering high‑quality services. The candidate will work closely with cross‑functional teams to build scalable, efficient, and secure solutions that support various backend functions and services, ensuring seamless integration with other systems and platforms.

• U.S. Citizenship required.
• Must be able to obtain and maintain a Public Trust clearance.
• This position is remote but may require occasional onsite meetings in McLean, VA.
• You can be based out of the following states: AZ, DC, FL, GA, OH, ME, MD, SC, TX, UT, VA, NC, OK, WV.

• Bachelor's Degree in Computer Science, Information Technology, or a related field.
• At least 8 years of relevant experience in backend development with a focus on service‑oriented architecture.
• Proficiency with legacy backend technologies including MUMPS (VistA) and JSP‑based application layers.
• Experience with Java frameworks such as Spring, Apache Struts, and Hibernate in legacy service environments.
• Hands‑on experience with IBM ODM and Oracle Web Logic application servers.
• Familiarity with HL7 data structures and healthcare system integration patterns.
• Exceptional communication skills and the ability to work collaboratively in a team environment.
• Strong attention to detail and analytical skills.
• Ability to work independently and manage multiple priorities.

• Experience with cloud‑based services and API gateways.
• Knowledge of microservices architecture and containerization tools like Docker and Kubernetes.
• Familiarity with Dev Ops practices and CI/CD pipelines.

• Design, develop, and maintain robust backend services to support web and mobile applications.
• Ensure services are scalable, secure, and maintainable.
• Integrate backend services with various internal and external data sources and systems.

• Develop RESTful APIs to support backend services.
• Ensure APIs are well‑documented, secure, and optimized for performance.
• Integrate APIs with third‑party services and data sources.

• Design, implement, and maintain database structures to support backend services.
• Optimize database queries and manage data storage solutions.

• Develop server‑side logic, ensuring high performance and responsiveness.
• Implement security and data protection measures.
• Manage user authentication and authorization between multiple systems, servers, and environments.

• Collaborate with frontend developers to ensure seamless integration of services.
• Coordinate with other teams to understand and fulfill backend requirements.

• Conduct unit and integration testing for backend services.
• Troubleshoot and debug issues to ensure the highest level of quality.

• Create and maintain comprehensive documentation for backend services and APIs.
• Follow best practices in backend development, including code versioning and repository management.

• Stay updated with the latest industry trends and technologies related to backend services.
• Optimize system performance and enhance functionality based on user feedback and usage patterns.

• Work closely with program management and other stakeholders to ensure backend service requirements are understood and implemented.
• Participate in code reviews, team meetings, and project planning sessions.