Software Development Engineer – Personalisation – London, United Kingdom of Great Britain and Northern Ireland

Overview

In this role you help tailor Tesco’s experiences by building real-time, personalised recommendations and offers across web, mobile, and in-store channels. You will work with real-time data, ML, and large-scale distributed systems to turn insights into fast decisions. Collaborating with product, data science, and analytics, you’ll tackle streaming data, low-latency services, and ML-powered systems at scale. This position offers impact on how millions of customers discover, shop, and save with Tesco, within a supportive, flexible environment.

Pay / Benefits

• Annual bonus up to 20%
• Holiday from 25 days + personal day + bank holidays
• Private medical insurance
• Maternity and adoption leave
• Paternity leave
• 24/7 virtual GP service and EAP for family wellbeing

Responsibilities

• Build low-latency, high-throughput services for personalisation
• Develop Java / Spring Boot microservices with REST/gRPC APIs
• Work with Kafka and event-driven architectures
• Build pipelines using Apache Flink and Apache Beam
• Integrate ML models and feature stores
• Work with NoSQL databases and Redis caching
• Use Apache Camel for integration where required
• Collaborate with product, data science, and analytics teams
• Write automated tests and improve reliability
• Monitor systems using New Relic, Splunk, and metrics platforms
• Support CI/CD pipelines and deployments
• Contribute to experimentation (A/B testing)

Key requirements

• Strong Java backend experience
• Experience building microservices and APIs
• Understanding of event-driven systems
• Familiarity with stream processing concepts
• Knowledge of distributed systems
• Strong communication and teamwork skills
• Interest in data-driven personalisation systems

• Strong communication
• Teamwork
• Problem-solving
• Java backend
• Microservices
• REST/gRPC APIs

…