Software Engineer (Performance) (f/m)

BSH Sprzęt Gospodarstwa Domowego Sp. z o.o.

Location: Warszawa

Region: mazowieckie

Reference number: 76040027

Job Description

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.
  
  

Requirements

• 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.
  

We offer

• 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
  
  

Please be advised that the controller of your personal data is one of the following entities:

• BSH Sprzęt Gospodarstwa Domowego Sp. z o.o. with its registered office in Warsaw at Al. Jerozolimskie 183, 02-222 Warsaw – if you are a candidate for a position at the BSH Headquarters in Warsaw;
• BSH Sprzęt Gospodarstwa Domowego Sp. z o.o. with its registered office in Warsaw, Major Domestic Appliances (MDA) Production Branch in Łódź – if you are a candidate for a position at this branch in either the Łódź or Wrocław locations;
• BSH Sprzęt Gospodarstwa Domowego Sp. z o.o. with its registered office in Warsaw, Rzeszów Branch at ul. Hoffmanowej 19, 35-016 Rzeszów – if you are a candidate for a position at this branch.
  
  

Each of the aforementioned entities is hereinafter referred to as "BSH". Your personal data is processed in accordance with the principles set out below.

Please review the full information clause regarding the processing of personal data available at: www.bshdaneosobowe.pl (Please copy and paste the link directly into your web browser).