Real-Time Personalisation Backend Engineer

Tesco UK; Greater London; Hybrid; GBP 70,000 - 120,000; Full time

Job summary

Tesco UK is hiring for a backend engineer in the Personalisation team. You will help power real-time recommendations, offers, and experimentation across web, mobile, and in-store channels, using real-time data, ML, and large-scale distributed systems.

The role involves building low-latency services, integrating ML models and feature stores, and collaborating with data science, product, and analytics teams. Hybrid working model with office and remote days; comfortable with scalable, data-driven

Qualifications

• Proven strong Java backend experience in scalable services.
• Experience building microservices and APIs with REST or gRPC.
• Understanding of event-driven and streaming architectures.

Responsibilities

• Build low-latency, high-throughput personalization services.
• Collaborate with product, data science and analytics teams.
• Operate and improve CI/CD pipelines and deployments.
• Integrate ML models and feature stores into services.
• Work with Kafka, NoSQL and caching layers.

Skills

Java backend

Microservices

Event-driven architectures

Distributed systems

REST/gRPC APIs

Team collaboration

Data-driven personalization

Tools

Kafka

Flink

Beam

Cassandra

DynamoDB

Redis

Docker

Kubernetes

Job description

Tesco UK is hiring for a backend engineer in the Personalisation team. You will help power real-time recommendations, offers, and experimentation across web, mobile, and in-store channels, using real-time data, ML, and large-scale distributed systems.

The role involves building low-latency services, integrating ML models and feature stores, and collaborating with data science, product, and analytics teams. Hybrid working model with office and remote days; comfortable with scalable, data-driven