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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Integrations Engineer - **Company:** EVANS TRANSPORT SERVICE LLC - **Location:** Delafield, WI, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Amazon Web Services, Computing Platforms, User Authentication, Business Systems, Custom Software, Data Integrity, Extract Transform Load (ETL), Data Mapping, Data Transformation, JSON, OAuth, Commercial Software, Queueing Systems, Openid Connect, Software Deployment, Software Engineering, Systems Integration, Extensible Markup Language (XML), Enterprise Application Integration, Enterprise Software Applications, Boomi, Event Driven Architecture, Enterprise Integration, Api Design, Restful APIs, Api Management, Mulesoft - **Published:** July 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=3ed3aa56080f1ac6 ## About the Role Prior experience as a Software Engineer, Integration Engineer, or Solutions Engineer with hands-on implementation responsibilities. Experience building enterprise API integrations. Strong understanding of REST APIs and API lifecycle concepts. Experience with event-driven architectures and message-based integrations. Strong knowledge of JSON, XML, data mapping, and ETL processes. Experience integrating custom applications with commercial software platforms. Understanding of authentication and authorization protocols, including OAuth and OpenID Connect. Working knowledge of Amazon cloud services. Ability to communicate effectively with both technical and non-technical stakeholders. Comfortable leading technical discovery conversations and asking thoughtful questions before proposing solutions. Preferred Experience with Boomi, MuleSoft, or other enterprise integration/iPaaS platforms. Familiarity with Enterprise Integration Patterns and API-first design principles. Experience with EDI integrations. Exposure to enterprise architecture practices. Familiarity with .NET application development. ## Description We are seeking an experienced Senior Integrations Engineer to build and support enterprise integrations that connect customers, partners, and internal business systems. This role will spend most of its time developing integrations within the Evans integration platform while helping execute our long-term strategy to migrate integrations away from legacy applications. This is not a traditional software engineering role; however, prior software engineering experience is essential. The ideal candidate understands how enterprise applications are built and integrated, allowing them to implement reliable, scalable, and maintainable solutions while contributing informed recommendations during technical solution discussions. This is a highly collaborative, customer-facing position that works daily with Engineering, Operations, Sales, Customer Success, and customers throughout the integration lifecycle., * Design, build, test, deploy, and maintain enterprise integrations using Evans integration platform. * Develop workflow-based integrations leveraging REST APIs, event-driven architectures, message queues, and data transformation. * Own integrations from technical discovery through production deployment and ongoing operational support. * Build resilient integrations that prioritize: * Data integrity * Idempotency * Error handling and recovery * Telemetry and observability * Retry and resiliency patterns * Configure integrations between custom applications and commercial off-the-shelf (COTS) software platforms. * Participate in customer technical discovery sessions to understand business processes and integration requirements. * Recommend implementation approaches and identify technical risks while partnering with Evans technology leadership on solution direction. * Troubleshoot production issues, participate in incident reviews, and continuously improve integration reliability. * Create and maintain technical documentation for implemented integrations. ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [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) - [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) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)