Integration Engineer SQL Server / Web & API Development ?? Location: UK Remote ?? Contract Length: Initial 6 months + extensions ?? SDS: Inside IR35 ?? Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for someone who thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms Develop and optimise SQL queries, stored procedures, and transformation logic Build and consume RESTful and SOAP APIs Work with XML, XSL, and JSON formats for data exchange Collaborate with product, business, and engineering teams to gather integration requirements Own and troubleshoot integration issues to ensure reliability and performance Maintain technical documentation and contribute to the continuous improvement of integration workflows What Youll Bring: Proven experience as an Integration Engineer, Software Developer, or Backend Engineer Strong SQL Server skills (procedures, views, table design, indexing, optimisation) Solid background in .NET Framework / .NET Core for API and backend development Understanding of JavaScript and modern web service architectures Familiar with both REST and SOAP API design and consumption Confident working with XML/XSL/JSON for data formatting and transformation Experience with cloud services (Azure or AWS) and API gateways Exposure to DevOps, CI/CD pipelines, or infrastructure automation ADZN1_UKTJ