Senior API / Integration Engineer

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.

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.

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.

• EEO and Affirmative Action Policy: DecisionPoint Corporation is an Equal Employment Opportunity and Affirmative Action employer. It is the policy of DecisionPoint Corporation to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affirmative Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local laws.
• Pay Transparency Policy: In accordance with Presidential Executive Order 13665, DecisionPoint Corporation will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
• Authorization to Share Resume and Personal Information: By expressing your interest and submitting your resume for this position, you authorize DecisionPoint Corporation to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should DecisionPoint Corporation. or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.