API / Integration Engineer

$110K — $130K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active Top Secret security clearance, Tier 5 background investigation required.
  • Bachelor’s degree in Computer Science, Systems Engineering, or related field.
  • Minimum of 6 years in API development or backend system integration.
  • Experience designing and supporting REST APIs and backend systems.
  • Familiarity with identity authentication systems and troubleshooting cross-system integrations.

Responsibilities

  • Develop, maintain, and enhance RESTful APIs and backend integration components.
  • Design middleware workflows and system integration layers.
  • Implement secure authentication flows such as OAuth2 and SAML.
  • Support data ingestion and transformation across enterprise systems.
  • Troubleshoot integration issues and communication errors.
  • Help implement API versioning strategies and manage lifecycle changes.
  • Collaborate with architects on schema modeling and contract definitions.

Benefits

  • Fully remote work environment.
  • Collaborative work with experts across architecture, cloud, and cybersecurity.
  • Participation in Agile practices and ceremonies.
  • Opportunity to work on large-scale federal and DoD-aligned projects.
Full Job Description
Overview

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. 

Duties & Responsibilities

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. 
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, 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. 

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