Systems Integration Developer (XML / SQL / VB.NET) Outside IR35 | Day Rate | Fully Remote | Immediate Start Seeking a hands-on Systems Integration Developer to integrate externally produced data back into live systems, ensuring it behaves as native system output. Strong focus on XML, SQL, and VB.NET , with light ETL-style data handling. Key Skills XML (structured outputs, schemas, validation) XSLT transformations VB.NET system posting / integrat...