hackajob is collaborating with Tesco to connect them with exceptional tech professionals for this role. About the role The payments service team are the heart of Tesco Technology, serving 28 million+ shoppers in the UK and abroad. We deliver HTTP services that reliably manage payments at global scale, 24 hours a day every day. We also provide capabilities that detect and prevent fraud and build upon innovative technologies to reduce loss. 100M+ transactions and billions of events per day, a billion pounds every week. At the core of our operation are the APIs that handle a variety of payment methods including cash, card and gift card across stores, at our fuel stations and online. We also support wallet behaviours, repeat payments, refunds and identity checks. As a Senior Software Developer at Tesco, you are responsible for the entire development and support process for a software programme. Your applications make previously sophisticated tasks simple with the impact ranging from saving time, effort or money to re-defining normal. As you might expect, the role focuses on day-to-day code writing however, you''ll also get to lead on design and architecture as well as help mentor and develop those around you in the team! If you like to work on high-impact business-critical systems then this could be the team for you! The stack; Java, NET/C#, Cassandra, Docker, HAProxy, Azure DevOps, Postgres. TDD and a ''you build it, you support it'' DevOps approach are also key parts of our eng