Senior .NET Engineer - Payments - (C#/.NET)

Salary: -

Location: London

Apply by: 02/02/2025


Senior .NET Engineer - Payments - (C#/.NET)

London

About the role

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. Please talk to the Hiring Manager about how they can support you.

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.

You will be responsible for

  • 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.

You will need

  • 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-SN1
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What’s in it for you

We’re all about the little helps. That’s why we give our wonderful colleagues bags of benefits. Including wellbeing services, an award-winning pension scheme and much, much more, our colleague reward package keeps on giving. And helps make every day a little better for you and your family. These include but are not limited to:

  • Annual bonus scheme of up to 20% of base salary
  • Holiday starting at 25 days plus a personal day (plus Bank holidays)
  • Buy holiday salary sacrifice scheme (for salaried roles)
  • Private medical insurance
  • Retirement savings plan - save between 4% and 7.5% and Tesco will match your contribution
  • Life Assurance - 5 x contractual pay
  • 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
  • The right to request flexible working from your first day with us
  • 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
  • A Colleague Clubcard for you & a family member (after 3 months of service), giving you access to lots of discounts in-store & online
  • Great colleague deals and discounts, saving you money on everyday purchases, eating out and utility bills for the home
  • Access to our colleague networks providing a space for colleagues to come together from a range of backgrounds. For more information about our colleague networks please click here
  • Opportunities to get on - take advantage of our ongoing learning opportunities and award-winning training, to help you achieve the job and career you want

Click Here to read more about the full range of benefits we have available for our colleagues

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.

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