Years of experience: 18
ITSolution IntegratorBackend DeveloperDevOpsQA Engineer
Trust Score
Exceptionally trusted; proven professional excellence.
Michał's Career Path
Mar. 2025 -Present
Siemens EnergySenior Software Engineer
Poland● PLC Services (e.g. Modbus, OPC UA, S7) Development for a Data-Gateway in ECOMain system for the maritime industry
● co-designing solutions implemented with .NET Core (>= 8.0)
● Unit Tests, exploratory testing, documentation
Jul. 2024 -Dec. 2024
4chain studioSenior QA Developer
Poland● Conducted blockchain software testing focused on the Bitcoin BSV protocol, ensuring compliance and reliability of core functionalities.
● Designed and implemented a scalable mobile automation framework using Appium, Pytest, and BrowserStack for end-to-end testing of a crypto wallet application.
● Maintained and adapted Go-based backend services to support automated test execution and QA too...
Feb. 2024 -Jul. 2024
MUFGSenior QA Developer
Poland● Developed and implemented an automation testing framework for a banking application using Python, Pytest, and SQL (MariaDB).
● Validated critical banking logic through direct SQL queries and performed end-to-end data consistency checks across frontend, middleware, and backend layers.
● Designed reusable database fixtures and mocks to enable isolated, reliable test environments and improve t...