Java Developer – Real-Time Data & Distributed Systems

RevTech; Greater London; On-site; GBP 120,000 - 144,000; Full time

Job summary

RevTech in London is seeking a Java Developer to join a global consultancy project in the banking space, focused on distributed systems and real-time data processing.

The role requires three days onsite in Central London, a one-year initial contract with high likelihood of extension, and eligibility to work in the UK without visa sponsorship. You will work with Java 21, Spring Boot, Kafka, Kubernetes and CI/CD pipelines to deliver scalable, low-latency services.

Qualifications

• Strong experience with Java 21, Spring Boot, Flowable, JPA/iBatis, microservices, and building scalable, reliable systems.
• Hands-on experience with Kafka, Apache Flink, Kubernetes, Docker, Terraform, and Azure, including high-volume, low-latency data processing.
• Knowledge of OAuth/Azure AD, CI/CD, automated testing, CQRS/Event Sourcing, and using GitHub Copilot/LLMs to support software development.

Skills

Java & Distributed Systems

Real-Time Data & Cloud

Security & Software Delivery

Tools

Kafka

Apache Flink

Kubernetes

Docker

Terraform

Azure

Job description

RevTech in London is seeking a Java Developer to join a global consultancy project in the banking space, focused on distributed systems and real-time data processing.

The role requires three days onsite in Central London, a one-year initial contract with high likelihood of extension, and eligibility to work in the UK without visa sponsorship. You will work with Java 21, Spring Boot, Kafka, Kubernetes and CI/CD pipelines to deliver scalable, low-latency services.