Senior Fullstack Engineer

• Architect, build, and maintain the HiveMQ platform software for massively-scalable global IoT deployments
• 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

Do you have experience in gRPC?, * Deep knowledge of Modern Java (17+) or Kotlin and its ecosystem, with hands-on experience in backend development

• Great interpersonal skills and the ability to effectively coordinate and work in a team
• A strong sense of ownership, a pragmatic problem-solving methodology, and the drive to see projects through to successful completion
• A strong software engineering background (5+ years) and experience in architecting, developing and delivering modern and robust Cloud native applications
• Profound experience with the web framework React, reactive state management systems and with Chakra UI being a plus
• Experience with A/B-Testing and working with feature-toggles is a plus.
• A proven track record of creating and maintaining robust CI/CD pipelines (e.g., using GitHub Actions) and proficiency in GitOps principles and tools such as ArgoCD and Helm.
• Experience with diverse architectures, event-driven systems, and designing resilient inter-service communication using technologies like gRPC and reactive programming.

Grow with HiveMQ as we lead IoT messaging and connectivity

We are a fast-growing tech start-up looking to add to our team of innovative and motivated people. HiveMQ is a messaging platform for reliable, secure and scalable data movement to and from connected IoT devices. Our vision is a connected world where people and companies can unleash their full potential. Our flagship product, the HiveMQ MQTT broker, is used by over 130 customers to develop new connected products, improve efficiencies, and drive down costs.

HiveMQ originated in Landshut, Germany, and has grown into a global, remote-first company. The last time we counted, we spoke 32 languages within HiveMQ. Join us as we work to contribute to the fast moving development of the IoT ecosystem and help companies enable mission critical use cases like connected cars, logistics, Industry 4.0 and connected IoT products.