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Network Designs, Inc. · 19 hours ago

Backend Engineer (API Integration Focus) #1685544

United States

Full-time

Hybrid

Senior Level, Lead/Staff

8+ years exp

Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. The Backend Engineer (API Integration Focus) will design, develop, and maintain backend systems specifically aimed at integrating new APIs, collaborating closely with cross-functional teams to build scalable and secure integration solutions.

Information ServicesInformation Technology

Diversity & Inclusion

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, develop, and maintain RESTful APIs using Java 17+ and Spring Boot

Ensure APIs are scalable, secure, and maintainable in a containerized Kubernetes/Docker environment

Integrate APIs with internal and external systems using Kafka-based event flows and Redis-backed lookups where applicable

Develop and maintain data services supporting integrations backed by Oracle DB and Redis

Design and implement data models aligned to integration requirements

Implement database structures and queries optimized for Oracle DB

Support data access and performance tuning aligned to integration patterns

Build server-side logic with Spring Boot to support API integration

Apply authentication, authorization, and data protection consistent with integration patterns

Collaborate with frontend and API consumers to ensure seamless interoperability with backend services

Coordinate with other teams to fulfill backend integration requirements

Conduct unit and integration testing of API components

Troubleshoot and debug integration issues to maintain system reliability

Maintain documentation for API integrations and data flows

Follow GitHub-based versioning and repository management standards

Work closely with program leadership and delivery teams to support integration objectives

Qualification

Java 17+Spring BootAPI IntegrationKubernetesOracle DBRedisAnalytical SkillsCommunication SkillsAttention to DetailTeam Collaboration

Required

U.S Citizenship required

Must be able to obtain and maintain a Public Trust clearance

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 API and Integration services

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