Senior API / Integration Engineer

Overview 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. Duties & Responsibilities The Senior API / Integration Engineer will: 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 do