Senior Software Engineer - HiveMQ Cloud

About HiveMQ

HiveMQ is a leading provider of MQTT-based messaging solutions. HiveMQ Cloud is our fully managed cloud MQTT platform, empowering teams to build scalable, reliable messaging for modern applications.

Senior Software Engineer - HiveMQ Cloud

We are seeking a passionate Senior Software Engineer to join the HiveMQ Cloud team and help build and scale our cloud-based MQTT platform.

What you'll do

• Design, implement, and maintain Java-based microservices that run in the cloud
• Collaborate with Product, Platform, and Security teams to deliver reliable features
• Drive reliability, performance, and security improvements
• Mentor junior engineers and contribute to architectural decisions
• Participate in code reviews, CI/CD pipelines, and testing efforts

Requirements

• 5+ years of professional software development in Java
• Experience building cloud-native services using Kubernetes and Docker
• Strong knowledge of microservices architecture, REST/gRPC, messaging and event-driven systems
• Proficiency with cloud platforms (AWS preferred) and CI/CD tooling (Git, Maven/Gradle)
• BS/MS in Computer Science or equivalent; excellent communication and teamwork
• Experience with MQTT/HiveMQ or similar broker is a plus

Nice to have

• Experience with Java 11+/17, reactive programming, distributed tracing (OpenTelemetry)
• Familiarity with monitoring/observability and security practices

What we offer

Remote-friendly role based in Germany with flexible work arrangements, opportunities to shape a cloud-native MQTT platform, and competitive compensation and benefits.