Xero is seeking a Senior Data Engineer to join their Practice Tools team, a crucial component of their accounting operational system. This role offers an opportunity to make significant impact by solving complex scalability and reliability challenges in database systems. The position requires extensive experience (15+ years) in software development with deep expertise in Microsoft SQL Server, cloud platforms (AWS/Azure), and database optimization. The role involves leading database solutions, optimizing performance, driving technical improvements, and mentoring team members. Xero offers an attractive benefits package including generous leave, health benefits, and flexible working arrangements. The company's mission is to help businesses succeed through automation and data-driven insights, making it an exciting opportunity for experienced data engineers looking to make a meaningful impact in the financial technology sector.