QA Engineer

The role is for a Quality Assurance Engineer working on an intelligent residential energy optimization platform that integrates real-time data from physical hardware such as heat pumps, solar power setups, and smart meters to optimize home energy efficiency.

• Proven track record in E2E, system, and integration testing, with valued experience in IoT or embedded software environments.
• Solid understanding of RESTful API and modern data transmission verification.
• Comfortable working directly with physical equipment and bench setups.
• Strong troubleshooting mindset and ability to isolate multi-component system failures.
• Good command of written and spoken English (B2/C1) for daily technical collaboration.

• Design and execute end-to-end test suites covering complex system interactions across integrated hardware.
• Validate data flow, communication protocols, and REST API integrations between physical devices and backend microservices.
• Diagnose, analyze, and document integration defects spanning software, network, and hardware layers.
• Assemble, configure, and maintain benchtop test environments using actual physical hardware.
• Collaborate closely with cross-functional development teams to elevate overall system stability.

The data controller is co.brick Sp. z o.o. located in Gliwice. Candidates have rights regarding their personal data including access, correction, deletion, restriction, objection, portability, and lodging complaints. Data processing is for recruitment purposes, with mandatory provision of data required by labor law. Consent for additional data is voluntary and can be withdrawn anytime. Data will be processed until recruitment is completed or as long as consent is maintained for future processes. The recipient of data includes Just Join IT and trusted processors related to recruitment.