Software Engineer (Performance)​ (f/m)

Your responsibilities

As part of the Performance Engineering team, you will contribute to the implementation and continuous improvement of Home Connect IoT Platform services, with a primary focus on performance engineering, scalability, and resilience. You will evaluate new technologies, tools, and technical approaches before their adoption by platform or development teams, and drive load and performance testing of existing implementation to ensure the Platform performs reliably under real-world conditions.

• Analyze performance bottlenecks and identify root causes across system components in high-load environments, handling tens of thousands of requests per second and serving millions of users.

• Collaborate with dev teams in the continuous assessment and improvements of the Home Connect IoT platform's performance

• 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.

• Evaluate existing and new components from a performance and reliability perspective.

• Develop and maintain the infrastructure of dedicated load and performance testing environments.

• Create, enhance, and maintain automated load tests, reports, and dashboards.

Your profile

• 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.

• Tech Stacks experience:

  • 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

  • Infrastructure as Code (IaC), e.g., Terraform, Ansible.

  • Observability tools (such as Prometheus, ELK, and APMs).

  • REST load testing tools/frameworks

  • GitHub, 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.

Your benefits

• Opportunities for continuous self-development in the latest technology stacks

• Participate in the concept creation and software architecture for new use cases in Home Connect Platform

• Stable employment in a professional work environment

• Private healthcare and sport package

• Flexible working hours with the possibility of remote work on selected days