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 Affirmat