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., 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.