Senior API / Integration Engineer

DecisionPoint | Cortek • ,

2d • Remote

About The Position

DecisionPoint seeks a Senior API / Integration Engineer to design, build, secure, and optimize enterprise-grade APIs and system integrations supporting applications across a large federal and DoD-aligned mission environment. This senior role enables interoperability across systems, aligns integration patterns with enterprise architecture, and ensures API performance, reliability, and security. The Senior API / Integration Engineer partners with developers, cloud engineers, cybersecurity specialists, and mission stakeholders to deliver scalable, secure, well-documented APIs and integration services that support MC&FP’s broader application ecosystem and enterprise data flows. This position is fully remote.

Requirements

• 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+ certification.

Nice To Haves

• 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.

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.

Benefits

• Equal Employment Opportunity and Affirmative Action employer
• Will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior