Tesco UK Welwyn Garden City Hybrid Full-Time Permanent Working hours 36 Apply by 01-Nov-2026
About the role
Tesco’s Behavioural Data Platform (BDP) is a high-scale, real-time platform that captures and processes behavioural data from web, mobile, and in-store systems to power analytics and customer experiences. It enables teams to access and act on unified data streams in real time, driving faster, data-driven decision making across the organisation.
We’re looking for a Software Development Engineer II to join our collaborative, self-organising team. You’ll contribute to the design and development of high-performance event-driven services that enable personalised customer experiences to millions of users by capturing user behavioural data. This is an excellent opportunity to grow your backend engineering skills, gain hands-on experience with modern technologies, and contribute to real-world systems that operate at scale.
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 (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 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.
- This information is a shortened summary, refer to our policies for full details.
You will be responsible for
• Developing features for a backend event-driven platform using Java and Spring Boot
• Pairing with more senior engineers to design, implement, test, and ship code
• Learning to use observability tools like New Relic and Splunk to monitor live systems
• Participating in planning sessions and team discussions to understand requirements and contribute ideas
• Writing automated test suites to ensure code correctness and maintainability
• Collaborating with team members to review code and improve development practices
• Developing an understanding of distributed systems, data processing at scale, and performance optimisation
• Creating, maintaining, and deploying applications using CI/CD pipelines
• Gaining hands-on experience with Kafka, Kubernetes, and managing distributed services
You will need
• A working knowledge of Java and an interest in backend development
• Familiarity with object-oriented programming principles
• Some practical experience building event-driven services and/or REST APIs
• A willingness to learn and collaborate in a team environment
• Strong communication skills, including the ability to ask questions, seek feedback, and share what you're learning
Nice to have:
• Exposure to Spring Boot, NoSQL databases, or cloud services
• Curiosity about performance, scalability, and observability in large-scale systems
• Familiarity with Git, CI/CD pipelines, and containerisation
• Some experience working with platforms like Kafka
About us
You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues.
At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support.
We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, click here for more information. And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying.