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# Senior Software Engineer

- **Company:** HiveMQ
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £58,000.0 - £120,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Big Data, Code Coverage, Continuous Integration, Software Debugging, Java Virtual Machine (JVM), NoSQL, Octopus Deploy, Software Engineering, Software Systems, Backend, Git, Event Driven Architecture, Kubernetes, Apache Kafka
- **Published:** July 19, 2026
- **Apply:** https://www.totaljobs.com/job/senior-software-engineer/hivemq-job107714766

## About the Role

* Great interpersonal skills and the ability to effectively coordinate and work in a team.
 * A high sense of ownership and take pride in the work you accomplish.
 * Experience developing and shipping business relevant software.
 * Experience writing reliable and scalable software.
 * A strong software engineering background (5+ years) and profound experience in architecting, developing and delivering modern and robust backend applications running in a JVM.
 * Experience using Git, different testing approaches, and CI/CD tools.
 * Ability to debug complex problems to find and implement solutions for the future.
 * Experience designing high-throughput data-intensive applications.
 * You have experience with different architectures, event-driven systems, and designing resilient inter-service communication. Technologies like NoSQL, Kafka, Kubernetes, ArgoCD are no strangers to you.

## Description

* Architect, build, and maintain the HiveMQ platform software for massively-scalable global IoT deployments.
 * Create self-healing software systems with state-of-the-art tools.
 * Develop and implement concurrent, maintainable, and performant algorithms.
 * Build, maintain and refactor existing codebases, extend APIs, improve test coverage and address security vulnerabilities.
 * Work with profilers, benchmarking, and state analysis tools.
 * Leverage AI tools such as Claude Code, GH Copilot.
 * Identify and eliminate performance bottlenecks.
 * Solve edge cases and find the common truths behind them.


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