> Markdown version of [/jobs/ext/1504899-senior-api-integration-engineer](https://www.wearedevelopers.com/jobs/ext/1504899-senior-api-integration-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior API / Integration Engineer - **Company:** DecisionPoint Corporation - **Location:** Reston, VA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Performance Management, Cloud Engineering, Code Review, CompTIA Security+, Information Systems, Middleware, Interoperability, JSON, OAuth, Queueing Systems, Migration Manager, Zero Trust Network Access, Swagger, JSON Web Token, Security Assertion Markup Language (SAML), Secure Coding, Systems Integration, Management of Software Versions, Openapi, Enterprise Software Applications, Istio, Apigee, Backend, Kubernetes, Information Technology, Integration Frameworks, Graphql, Api Design, Api Gateway, Restful APIs, Data Pipelines, Api Management, Microservices - **Published:** July 30, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17752680?backUrl=%2Fcareer%2F17752680%2FSenior-Api-Integration-Engineer-Virginia-Reston ## About the Role 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. ## Description 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. ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications) - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)