Senior Java Developer at Ecrebo Ltd

Jack & Jill/External ATS; Greater London; On-site; GBP 65,000 - 85,000; Full time

Job summary

A leading retail technology company is seeking a Senior Java Developer to design and build high-performance Java microservices. The role involves working with modern technologies including Java 21 and Google Cloud Platform to enhance customer engagements for global retailers. Candidates should have over 5 years of experience in Java development, with a solid understanding of scalable APIs and event-driven architectures. This role offers a dynamic engineering culture focused on technical excellence and mentoring.

Qualifications

• Over 5 years of commercial Java experience with expertise in Java 17/21 and Spring Boot 3.
• Deep practical experience with Google Cloud Platform services including GKE and Cloud SQL.
• Strong understanding of distributed systems, concurrency, and performance tuning.

Responsibilities

• Design and maintain high-throughput Java microservices using Spring Boot within a GCP ecosystem.
• Architect event-driven systems using Pub/Sub and Redis to optimize low latency services.
• Collaborate across product teams to build secure, scalable APIs.

Skills

Java 21

Spring Boot 3

Google Cloud Platform

API design

Event-driven architecture

Tools

PostgreSQL

Kubernetes

Redis

Job description

Senior Java Developer

Company: Ecrebo Ltd - Leading retail POS marketing and analytics platform

Job Description: Join Ecrebo to build high-performance services powering real-time customer engagements for global retailers. You will design and scale Java 21 microservices on Google Cloud Platform, processing millions of daily transactions. This role offers the chance to influence architecture while delivering high-throughput digital receipts and messaging solutions that redefine the retail experience.

Location: Reading, UK

Why this role is remarkable

• Work with a modern tech stack featuring Java 21, Spring Boot 3, and Kubernetes in a sophisticated GCP-native environment.
• Impact the core systems used by major global retailers to deliver personalized messaging and analytics at massive scale.
• Join a collaborative engineering culture that prioritizes technical excellence, mentoring, and pragmatic, delivery-focused problem solving.

What you will do

• Design and maintain high-throughput Java microservices using Spring Boot, PostgreSQL, and OpenAPI within a containerized GCP ecosystem.
• Architect event-driven systems using Pub/Sub and Redis to optimize services for low latency and high daily transaction volumes.
• Collaborate across product and data teams to build secure, scalable APIs and contribute to infrastructure reliability through automated CI/CD pipelines.

The ideal candidate

• Possesses over 5 years of commercial Java experience, including expertise with Java 17/21 and Spring Boot 3 microservices.
• Has deep practical experience with Google Cloud Platform services including GKE, Cloud SQL, and Pub/Sub event-driven messaging patterns.
• Demonstrates strong API design skills and a solid understanding of distributed systems, concurrency, and performance tuning for high-volume data processing.