Software Performance Engineer (f/m)

Home Connect is an advanced IoT platform that brings smart technology to households globally, allowing users to control their home appliances from anywhere. The platform supports a vast and ever-growing number of devices, which requires a robust and scalable infrastructure to handle the massive data exchange between millions of connected appliances and our cloud services.

As a member of the Home Connect team, you will be at the forefront of the IoT revolution, developing and managing a complex microservices architecture that ensures seamless and reliable communication.

• 5+ years of experience in software engineering, performance engineering, or related areas.
• Strong willingness to continuously learn new technologies, tools, and engineering practices.
• Experience in load testing and scaling.
• Experience with Java; additional experience with Scala, Go, Python, or TypeScript is a plus.
• Experience with scaling backends and web applications, messaging infrastructure, asynchronous IO, reactive programming, databases.
• Experience with Infrastructure as Code (IaC), e.g., Terraform, Ansible.
• Experience with observability tools such as Prometheus, ELK, and APMs.
• Experience with REST load testing tools/frameworks.
• Experience with tools: Confluence, Jira, Bitbucket/GitHub, Jenkins/GitHub Actions.
• Strong analytical skills: creating hypotheses, designing experiments to test them, defining and communicating metrics and chosen methods, presenting findings, and translating them into actionable improvements.
• Understanding of Site Reliability Engineering (SRE) concepts.
• Agile development practices, including SAFe, Scrum, Kanban, and Pair Programming.
• Excellent verbal and written communication skills in English; German language skills are a strong plus.

• Develop and conduct load and performance tests within an agile team as a core part of the Home Connect IoT Platform, in alignment with system architects and program management.
• Analyze performance bottlenecks and identify root causes across various system components.
• Evaluate existing and new components from a performance and reliability perspective.
• Create, enhance, and maintain automated load tests, reports, and dashboards.
• Develop and maintain the infrastructure of dedicated load and performance testing environments.
• Collaborate with dev teams in the continuous assessment and improvements of the Home Connect IoT platform's performance.