API / Integration Engineer

DecisionPoint seeks API / Integration Engineers to design, implement, and maintain enterprise-grade APIs, middleware components, and system-to-system integrations within a secure, large-scale federal and DoD-aligned mission environment. These roles support interoperability across applications by developing API endpoints, integration layers, authentication workflows, and scalable data exchange patterns.

The API / Integration Engineers work closely with senior architects, cloud engineers, developers, and cybersecurity teams to ensure all integrations are secure, performant, and aligned with enterprise architectural standards.

These positions are fully remote., The API / Integration Engineer will: Develop, maintain, and enhance RESTful APIs and backend integration components.

• Design middleware workflows, interface connectors, and system integration layers.

• Implement secure authentication flows including OAuth2, SAML, and token-based frameworks.

• Support data ingestion, transformation, and exchange across enterprise systems.

• Troubleshoot integration issues, logging errors, and cross-application communication failures.

• Help implement API versioning strategies, schema changes, and lifecycle management.

• Ensure API and integration secure coding practices align with DoD cybersecurity requirements.

• Collaborate with architects on data mapping, schema modeling, and contract definitions.

• Participate in code reviews, documentation reviews, and integration design sessions.

• Support automated testing of APIs and integration endpoints.

• Maintain API documentation, interface specifications, and technical integration assets.

• Participate in Agile ceremonies and help refine integration-related user stories.

Clearance Requirement

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

Education (Required)

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

Experience (Required)

• Minimum 6 years of experience in API development, system integration engineering, or backend development.

• Experience designing and supporting REST APIs and backend integration services.

• Experience working with identity and authentication systems.

• Experience troubleshooting cross-system integrations and backend data flows.

• Experience working in secure enterprise or federal environments.

Technical Knowledge (Required)

• Proficiency in developing and consuming REST APIs.

• Understanding of authentication and authorization protocols (OAuth2, JWT, SAML).

• Familiarity with middleware, integration platforms, and service-to-service communication.

• Knowledge of secure coding practices and DoD cybersecurity expectations.

• Experience with version control (Git), API documentation tools, and CI/CD workflows.

Technical Knowledge (Preferred)

• Experience with GraphQL or event-driven integration patterns.

• Experience with AWS GovCloud API services or cloud integration pipelines.

• Familiarity with microservices, container-based deployment, and service mesh architectures.

Certifications

Required:

• CompTIA Security+

Preferred:

• ITIL v4 Foundation

• AWS Developer or Architect certification

• Integration engineering or API-specific certifications

Skills

• Strong problem-solving ability for complex integration and data flow issues.

• Excellent communication and technical documentation skills.

• Ability to interpret business needs and translate them into technical integration solutions.

• High attention to detail and commitment to secure, maintainable integration design.

• Strong interpersonal skills for cross-team coordination and collaboration.