Senior Java Engineer – Real-Time Data & Distributed Systems

Ports North; Greater London; On-site; GBP 88,000 - 115,000; Full time

Job summary

Korn Ferry is seeking a highly experienced Senior Java Engineer for a major financial services organisation in London, working on scalable, real-time data processing and distributed systems. The role is hybrid with 3 days onsite per week.

Responsibilities include building event-driven architectures, streaming solutions with Flink and Kafka, and deploying in Kubernetes/Azure environments, with focus on security and high availability.

Qualifications

• Extensive commercial Java development experience, ideally including Java 17/21.
• Strong hands-on Spring Boot and microservices experience.
• Strong experience designing and developing distributed systems.
• Hands-on Apache Flink experience.
• Strong Apache Kafka and event-driven architecture experience.
• Experience building real-time/stream-processing platforms.
• Understanding of high-throughput, low-latency and fault-tolerant system design.
• Kubernetes and Docker experience.
• Experience working with Microsoft Azure.
• CI/CD and automated testing experience.

Responsibilities

• Design, develop and optimise highly scalable distributed and event-driven systems.
• Build real-time streaming and data-processing solutions using Apache Flink and Kafka.
• Develop enterprise applications using Java, Spring Boot and microservices architectures.
• Design fault-tolerant solutions capable of operating in high-throughput, mission-critical environments.
• Apply architectural patterns including CQRS and Event Sourcing.
• Develop and optimise REST APIs and backend services.
• Deploy and operate applications using Kubernetes, Docker and Terraform.
• Work within Azure/cloud-native environments.
• Improve system performance, resilience, scalability and availability.
• Implement appropriate security controls including OAuth and identity/access management.

Skills

Java

Spring Boot

Microservices

Distributed systems

Apache Flink

Kafka

Real-time streaming

Kubernetes

Docker

Azure

CI/CD

Testing

Tools

Kubernetes

Docker

Terraform

Azure

Job description

Korn Ferry is seeking a highly experienced Senior Java Engineer for a major financial services organisation in London, working on scalable, real-time data processing and distributed systems. The role is hybrid with 3 days onsite per week.

Responsibilities include building event-driven architectures, streaming solutions with Flink and Kafka, and deploying in Kubernetes/Azure environments, with focus on security and high availability.