Java Microservices Engineer — Spring Boot, WebFlux & Kafka

HCL Technologies Limited; Greater London; On-site; GBP 85,000 - 120,000; Full time

Job summary

HCLTech is a global technology company seeking a skilled Java microservices engineer in London. The role focuses on designing, developing, and maintaining high-performance microservices using Java 17 and Spring Boot, with reactive WebFlux and REST APIs.

You will collaborate across teams to deliver end-to-end solutions, implement event-driven messaging with IBM MQ and Kafka, and contribute to code quality, documentation, and continuous improvement.

Responsibilities

• Designing, developing, and maintaining high-performance, scalable microservices using Java 17 and Spring Boot framework
• Building reactive and non-blocking applications leveraging Spring WebFlux to handle high-concurrency workloads efficiently
• Developing and consuming RESTful APIs following industry best practices and ensuring proper documentation
• Implementing event-driven architecture using IBM MQ and Apache Kafka for seamless asynchronous communication between services
• Collaborating with cross-functional teams including frontend developers, architects, and product owners to deliver end-to-end solutions
• Writing clean, maintainable, and well-documented code adhering to coding standards and best practices. Participating in code reviews, providing constructive feedback, and ensuring code quality across the team
• Troubleshooting production issues, performing root cause analysis, and implementing effective fixes
• Contributing to continuous improvement initiatives by identifying opportunities for optimization and automation

Skills

Java 17

Spring Boot

Spring WebFlux

REST APIs

Microservices

IBM MQ

Kafka

Tools

IBM MQ

Kafka

Job description

HCLTech is a global technology company seeking a skilled Java microservices engineer in London. The role focuses on designing, developing, and maintaining high-performance microservices using Java 17 and Spring Boot, with reactive WebFlux and REST APIs.

You will collaborate across teams to deliver end-to-end solutions, implement event-driven messaging with IBM MQ and Kafka, and contribute to code quality, documentation, and continuous improvement.