Note: The job is a remote job and is open to candidates in USA. DecisionPoint Corporation is seeking a Senior API / Integration Engineer to support enterprise-grade APIs and system integrations in a federal and DoD-aligned mission environment. The role focuses on designing, securing, optimizing, documenting, and maintaining scalable API and integration services while collaborating with development, cloud engineering, cybersecurity, and mission teams.

Responsibilities

• Architect, build, and optimize enterprise APIs and backend integration services
• Implement secure REST and GraphQL endpoints, schemas, and data contracts
• Design integration workflows, service interactions, and middleware/API gateway connections
• Ensure APIs comply with DoD cybersecurity policies, Zero Trust principles, and secure coding practices
• Build and maintain integration pipelines between internal and external systems
• Conduct API performance tuning, scalability improvements, and error-handling enhancements
• Troubleshoot complex integration failures, data issues, and cross-system communication gaps
• Support API versioning, lifecycle management, and migration planning
• Produce API documentation including OpenAPI/Swagger specs, interface definitions, and usage guides
• Collaborate with cloud engineering teams to optimize API hosting, routing, and authentication
• Conduct peer code reviews, enforce development standards, and mentor junior developers
• Participate in Agile ceremonies and support sprint-based delivery

Skills

• Must hold an active Top Secret clearance, supported by a Tier 5 background investigation
• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical field
• Minimum 10 years of experience in API development, backend engineering, or systems integration
• Experience designing secure, scalable REST APIs and integration workflows
• Experience supporting enterprise systems in federal or DoD environments
• Experience troubleshooting complex backend and integration issues
• Experience delivering code and system changes in Agile development environments
• Strong proficiency with RESTful API design, JSON standards, and schema modeling
• Experience with API gateways, routing layers, and middleware (e.g., Kong, Apigee, AWS API Gateway)
• Strong understanding of authentication/authorization (OAuth2, SAML, JWT)
• Knowledge of secure coding practices and DoD cybersecurity requirements
• Experience with integration patterns (synchronous/asynchronous, event-driven, message queues)
• CompTIA Security+
• Strong analytical and problem-solving abilities for complex integration challenges
• Excellent communication and documentation skills
• Ability to architect secure, scalable API solutions aligned with enterprise goals
• High attention to detail and strong discipline around versioning and governance
• Ability to collaborate across engineering, cloud, and cybersecurity teams
• Experience with GraphQL API development
• Experience with AWS cloud-native integration services (Lambda, API Gateway, EventBridge)
• Familiarity with microservices, container orchestration, and service mesh architectures
• AWS Developer or Architect certification
• ITIL v4 Foundation
• Integration or API architecture certifications

Benefits

• This position is fully remote.

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