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 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.

Qualifications

Clearance Requirement 

Must hold an active Top Secret clearance, supported by a Tier 5 background investigation. 

 

Education (Required) 

Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related technical field. 

 

Experience (Required) 

• 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. 

 

Technical Knowledge (Required) 

• 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). 

Technical Knowledge (Preferred) 

• 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. 

 

Certifications 

Required: 

• CompTIA Security+ 

Preferred: 

• AWS Developer or Architect certification 

• ITIL v4 Foundation 

• Integration or API architecture certifications 

 

Skills 

• 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. 

Our Equal Employment Opportunity Policy

• EEO and Affirmative Action Policy: Decisio