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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Middleware / API Integration Engineer - **Company:** Navitas, Inc. - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), User Authentication, Computer Programming, Extract Transform Load (ETL), Data Transformation, Data Security, Electronic Data Interchange (EDI), Middleware, Identity and Access Management, Interoperability, JSON, Python (Programming Language), Windows PowerShell, Queueing Systems, Data Streaming, Systems Integration, Web Services, Extensible Markup Language (XML), Openapi, Scripting, Enterprise Software Applications, Boomi, SOAPAPI, Enterprise Integration, Integration Frameworks, Operational Systems, Cloud Integration, Api Design, Restful APIs, Stream Processing, TIBCO (Software), Enterprise Service Bus, Mulesoft - **Published:** June 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=04da2fabd6fda1d7 ## About the Role Do you have experience in XML?, * 5-7 years of experience supporting middleware platforms, APIs, system integrations, or enterprise application connectivity. * Strong knowledge of REST and SOAP APIs, XML, JSON, message queues, integration patterns, and system-to-system communication. * Experience with enterprise integration platforms such as MuleSoft, Dell Boomi, Azure Integration Services, TIBCO, or similar technologies. * Ability to troubleshoot data flow issues, interface errors, API authentication failures, and routing problems. * Understanding of ETL processes, data transformation, schema mapping, and enterprise integration architecture. * Strong scripting or programming skills using PowerShell, Python, JavaScript, or similar technologies. * Excellent documentation, analytical, and communication skills. * Experience supporting transportation, operational technology, or large enterprise environments is preferred. * Relevant certifications in cloud integration, API development, middleware platforms, or related technologies are preferred. ## Description We are hiring a Middleware / API Integration Engineer for a long-term contract opportunity supporting a large-scale airport technology environment. This role is responsible for managing middleware platforms, APIs, system integrations, and data exchange services that connect critical enterprise and operational systems. The ideal candidate will ensure reliable system interoperability, secure data flow, message transformation, and application connectivity across complex technology environments., * Administer middleware platforms, integration engines, and enterprise service bus (ESB) solutions supporting system connectivity and data exchange. * Develop, configure, and maintain APIs, web services, data connectors, and integration workflows. * Monitor data flows, message queues, and system integrations to ensure operational continuity and data accuracy. * Troubleshoot integration failures, communication errors, schema mismatches, and real-time data processing issues. * Collaborate with system owners, vendors, and technical teams to support application integrations and enterprise connectivity requirements. * Implement security controls, authentication methods, and access management for APIs and system-to-system communications. * Support ETL processes, data mappings, transformation rules, and integration workflows across multiple platforms. * Maintain integration documentation, API specifications, connection diagrams, and workflow definitions. * Assist with modernization initiatives, including migration to new integration platforms and cloud-based services. * Provide Tier 2/3 support for integration-related incidents and service disruptions. * Perform other related duties as assigned. ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [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) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Enterprise Integration Is Dead! Long Live AI-Driven Integration with Apache Camel](https://www.wearedevelopers.com/videos/1606-enterprise-integration-is-dead-long-live-ai-driven-integration-with-apache-camel) - [JSON and Beyond](https://www.wearedevelopers.com/videos/968-json-and-beyond) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)