Overview
Senior .NET Engineer - Payments at Tesco Technology. You will work on the payments service team, delivering HTTP services that manage payments at global scale, 24/7, and supporting capabilities to detect and prevent fraud. The APIs handle payment methods across stores, fuel stations and online, including wallet behaviours, repeat payments, refunds and identity checks. The stack includes .NET/C#, Cassandra, Docker, HAProxy, Azure DevOps, with a strong emphasis on TDD and a DevOps culture where you build and run what you develop. Automation, testing and deployment improvements are key priorities.
The role combines day-to-day coding with leadership on design and architecture, and mentoring of teammates.
If you like to work on high-impact, business-critical systems, this could be the team for you.
Responsibilities
* Using your in-depth knowledge of .Net and the tool ecosystem to develop and implement scalable frontend systems.
* Producing test-driven features and demonstrating familiarity with the TDD cycle.
* Applying software design principles to build well-structured, maintainable systems.
* Working effectively with product stakeholders to translate needs into product improvements.
* Breaking down work to deliver value incrementally and manage risk on larger projects.
* Facilitating group discussions on system design and working with Product Managers to drive value.
* Supporting production systems, resolving incidents, and learning from them.
* 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 openness to new technologies.
* Experience with SQL/NoSQL databases.
* Experience with cloud platforms (e.g. AWS, Azure).
* Experience working in agile environments and TDD.
* Excellent interpersonal skills.
* Experience with ecommerce payment systems would be nice to have but is not essential.
What’s in it for you
* 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 year’s service) at full pay, plus statutory maternity/adoption pay and 4 weeks fully paid paternity leave.
* Free 24/7 virtual GP service and Employee Assistance Programme for you and your family.
About Us
Tesco focuses on becoming every customer’s favourite way to shop. Our core purpose is to serve customers, communities and the planet a little better every day. We value diversity and strive to create an inclusive workplace. We’re committed to accessible recruitment and support for applicants with disabilities. We offer a blend of office and remote working where possible.
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