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# Senior Java Engineer

- **Company:** iO Associates
- **Location:** Hatfield, UK
- **Experience:** Expert
- **Salary:** £130,000.0
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Microsoft Azure, Cloud Computing, Cloud Engineering, Continuous Integration, Couchbase Servers, DevOps, PostgreSQL, Software Engineering, Enterprise Software Applications, Spring-boot, Event Driven Architecture, Solid Principles, Kubernetes, Apache Kafka, Docker, Microservices
- **Published:** August 17, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-9DF219809D57CF0DD3/

## About the Role

* Extensive commercial experience developing enterprise applications with Java and Spring Boot
 * Proven track record designing and delivering high-throughput, distributed microservices at scale
 * Strong experience building event-driven architectures using Kafka
 * Expertise with PostgreSQL and Couchbase in production environments
 * Strong cloud experience with Azure, alongside Docker, Kubernetes and CI/CD pipelines
 * Experience designing, optimising and supporting mission-critical, cloud-native systems
 * Strong understanding of software design principles, scalable architecture and system performance
 * Experience working in Agile, DevOps environments with ownership of software throughout the full development life cycle
 * Previous experience mentoring engineers and driving engineering best practices

-Hybrid - 2 days per week onsite

## Description

Our client urgently seeks an experienced Senior Software Engineer with extensive Java expertise to take a lead role in the design,development and support of scalable, cloud-native Back End applications., Working within an Agile, DevOps environment, you'll help build high-performance microservices, APIs and event-driven solutions powering a next-generation platform used at significant scale. This is an exciting greenfield programme, working alongside engineers, operations and product teams to deliver software that supports critical business operations.


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