Tesco UK Welwyn Garden City Hybrid Full-Time Permanent Apply by 01-Oct-2025
About the role
The payment services team is at 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. They are built around an event sourcing architecture using various of Java, Akka, Cassandra, Postgres and Kafka. We embrace DevSecOps wherever possible. Automation is a key area of focus for us. Our scale and workloads demand that we continuously improve our approaches to testing and deployment. Kanban is the way we manage our work. We support what we code.
What is in it for you
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Here to find out more!
- Annual bonus scheme of up to 20% of base salary
- Holiday starting at 25 days plus a personal day (plus Bank holidays)
- Private medical insurance
- 26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave
- Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing
You will be responsible for
- 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 create 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 incidents, and performing root cause analysis.
- Sharing knowledge with the wider engineering community.
- Mentoring and developing others around you.
- Producing proof of concepts to evaluate new tools.
You will need
Experience relevant for this job:
- 5+ years of experience as a Java backend developer with the eagerness to take on new technologies
- Experience with cloud platform(s) (e.g. AWS, Azure, etc.)
- Experience with both SQL/NoSQL databases
- Experience with Ecommerce and search systems would be a nice to have, but not necessary.
- Experience with reactive programming is considered a plus.
Skills relevant for the job
- Strong written and verbal communication skills.
- Problem-solving, analysis and computational skills.
- A customer focus.
- An innovative approach to problem-solving.
About us
Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.
We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here.
We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco.