Maurício Aniche 

@effectivesoftwaretesting
Maurício is the Tech Academy Lead at Adyen and Assistant Professor in SE at Delft University of Technology. Maurício's mission is to help developers in better maintain, evolve, and test software systems.
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Effective Software Testing
By Maurício Aniche
bits and pieces on software testing, design, maintenance, and evolution. A continuation of the https://www.effective-software-testing.com book.