Senior Java Software Engineer - Quote API (London or WGC)

About the role

Join the team behind Price Service—a mission‑critical HTTP API powering pricing and promotions across all of Tesco’s channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week, with global reach on the horizon.

We’re building a robust, internet‑facing API that runs both in stores and in the cloud, designed to support future innovation at scale. This means solving complex distributed systems challenges, ensuring high availability, and optimizing performance. Concepts like the CAP theorem aren’t just theory here—they’re part of our daily engineering conversations.

Our stack includes Java, Vert.x, RxJava, Groovy, Couchbase, and Kafka, built using Terraform, running in Kubernetes on Azure, utilizing GitHub Actions pipelines. We follow Agile principles, adapting Kanban and other methodologies to fit the team’s needs.

Responsibilities

• Design and implement end‑to‑end systems using deep JVM and Java ecosystem expertise.
• Translate product requirements into well‑structured, maintainable code.
• Write test‑driven features and follow the TDD and BDD cycle.
• Apply SOLID principles and cohesive design to build scalable software.
• Design, build, deploy and maintain the required infrastructure.
• Collaborate with product stakeholders to shape and refine features.
• Support production systems, resolve incidents, and conduct root cause analysis.
• Mentor and support fellow engineers, fostering a culture of continuous learning.
• Share knowledge across the wider engineering community.
• Prototype and evaluate new tools.

Qualifications

• Strong experience with Java 8+.
• Hands‑on experience with cloud platforms (Azure, AWS, etc.).
• Proficiency with both SQL and NoSQL databases.
• Proven ability to scale systems effectively.
• Familiarity with Agile methodologies (Scrum, Kanban, Waterfall).
• Exposure to reactive programming paradigms.
• Bonus: Experience with eCommerce or search systems.

Benefits

• 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, 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 for you and your family, free access to a range of experts to support your mental wellbeing.

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’. We are proud to have an inclusive culture where everyone truly feels able to be themselves. We’re committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re accredited Disability Confident Leader and are committed to providing a fully inclusive and accessible recruitment process. We offer a range of diverse full‑time & part‑time working patterns across many business areas; the offices will continue to be where we connect, collaborate and innovate, with blended office and remote working.

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