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# Java / Kotlin Developer

- **Company:** Spectrum IT Recruitment
- **Location:** Southampton, UK (Remote available)
- **Salary:** £65,000.0 - £70,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Microsoft Azure, Cloud Computing, Continuous Integration, Linux, Elasticsearch, Java Virtual Machine (JVM), PostgreSQL, MongoDB, NoSQL, RabbitMQ, Redis, Standard Sql, SQL Databases, TypeScript, ReactJS, Spring-boot, Backend, Git, Kotlin, Event Driven Architecture, AngularJS, Kubernetes, Restful APIs, Docker, Programming Languages, Microservices
- **Published:** September 11, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5878315345

## About the Role

* Strong experience with Java or Kotlin on JVM 11+
 * Strong experience with Spring Boot
 * Experience in enterprise backend development
 * Experience with REST APIs and microservices
 * Experience with SQL and NoSQL databases
 * Experience with Docker and Kubernetes
 * Experience with Git and modern development practices
 * Comfortable operating at Principal level, making technical decisions, solving complex problems, and helping other engineers develop
 * Desirable: telecommunications billing
 * Desirable: Azure
 * Desirable: CI/CD
 * Desirable: Linux
 * Desirable: Redis
 * Desirable: Elasticsearch or additional programming languages

## Description

* Stay hands-on with backend development, with around 90% of the role focused on backend work
 * Work on a large platform with high-throughput APIs, Azure Cloud, and an event-driven architecture
 * Help shape technical direction, engineering standards, and architecture
 * Mentor other engineers
 * Evaluate new technologies
 * Work closely with customers and stakeholders to turn requirements into robust technical solutions

Technologies:

 * Azure
 * Backend
 * CI/CD
 * Cloud
 * Docker
 * ElasticSearch
 * Git
 * JVM
 * Java
 * Kotlin
 * Kubernetes
 * Linux
 * NoSQL
 * REST
 * Redis
 * SQL
 * Spring
 * Spring Boot
 * microservices
 * Angular
 * MongoDB
 * PostgreSQL
 * RabbitMQ
 * React
 * TypeScript

More:

We are a growing business working on a large, high-throughput platform in the telecommunications and online payments space. This is a remote-first Principal Java or Kotlin Developer role based around our Newbury office, with an expectation of around 2-3 visits per year, though more time onsite is welcome. You would join a 16-person R&D development team made up largely of senior engineers. We offer 24 days holiday plus your birthday off, private medical, life assurance, critical illness cover, an employee assistance programme, a contributory pension, and regular monthly and quarterly all-hands events including summer and Christmas gatherings.


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