Java Backend Engineer for Real-Time Personalisation

Tesco; Greater London; Hybrid; GBP 85,000 - 125,000; Full time

Job summary

Tesco's Personalisation team is hiring a backend engineer to build real-time recommendations, offers, targeting, and experimentation across web, mobile and in-store channels. You'll tackle low-latency services, streaming data, and ML-powered decisions at scale, collaborating with product, data science, and analytics to turn customer insights into action.

The role emphasizes Java backend development, microservices, and event-driven systems, with exposure to Kafka, Flink/Beam, NoSQL stores, and

Qualifications

• Strong Java backend experience.
• Experience building microservices and REST/ gRPC APIs.
• Understanding of event-driven systems and streaming concepts.
• Knowledge of distributed systems and scalable architectures.

Responsibilities

• Build low-latency, high-throughput personalisation services.
• 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.
• Collaborate with product, data science, and analytics teams.
• Write automated tests and improve reliability.
• Monitor systems and support CI/CD pipelines.
• Contribute to experimentation (A/B testing).

Skills

Java backend

Microservices

Event-driven systems

Stream processing

Distributed systems

Data-driven personalization

Communication & teamwork

Tools

Kafka

Apache Camel

NoSQL databases

Redis

Docker

Kubernetes

ML feature stores

Flink

Beam

Job description

Tesco's Personalisation team is hiring a backend engineer to build real-time recommendations, offers, targeting, and experimentation across web, mobile and in-store channels. You'll tackle low-latency services, streaming data, and ML-powered decisions at scale, collaborating with product, data science, and analytics to turn customer insights into action.

The role emphasizes Java backend development, microservices, and event-driven systems, with exposure to Kafka, Flink/Beam, NoSQL stores, and