We know life looks a little different for each of us. That’s why at Tesco, we always welcome chats about flexible working. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life-changing moments like becoming a carer, nearing retirement, adapting to parenthood, or something else. So, talk to us throughout your application about how we can support. 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; .NET/C#, Java, Cassandra, Docker, HAProxy, Azure DevOps, Postgres. TDD and a 'you build it, you support it' DevOps approach are also key parts of our engineering culture. Automation is a key area of focus for us. Our scale and workloads demand that we continuously improve our approaches to testing and deployment. Using your in-depth knowledge of .Net and the tool ecosystem to develop and implement scalable frontend systems. Translating requirements into tasks & code. Producing test-driven features and demonstrating your familiarity with the TDD cycle. Applying your understanding of cohesion and the SOLID principles to build well structured, maintainable software. Working effectively with product stakeholders to communicate and translate needs into product improvements. Leading group discussions on system design and working with Product Managers to drive value. Supporting production systems, resolving, and learning from incidents. Sharing knowledge with the wider engineering community. Mentoring and developing others around you. Producing proof of concepts to evaluate new tools. Experience using .Net/C# with an eagerness to take on new technologies. Experience with both SQL/NoSQL databases. Experience with cloud platform(s) (e.g. AWS, Azure, etc.) Experience of working in agile environments and TDD. Excellent interpersonal skills Experience with Ecommerce payment systems would be a nice to have but is not crucial. LI-DA1 LI-Hybrid