Worldpay, a global leader in payment processing, is seeking a Software Engineer to join their Worldpay Total team in London. The role focuses on building and maintaining Kotlin/Java-based middleware hosted on AWS that provides payment capabilities to nearly 100k terminals across the UK. The position involves working with distributed systems serving enterprise and SMB merchants in retail and hospitality sectors. The team operates in an agile environment, emphasizing automation and continuous improvement. They use modern technologies including Kotlin, Java/SpringBoot, and AWS services. The company offers a dynamic work environment in their London-Walbrook hub, competitive benefits, and opportunities for professional growth. The ideal candidate should have strong experience in Kotlin/Java development, understanding of distributed systems, and familiarity with modern DevOps practices. This role offers the chance to impact millions of daily transactions while working with cutting-edge payment technologies.