Maciej MJ Jędrzejewski

MJ started his professional career in 2012. Since then, he has worked as a software engineer, architect, and tech lead, leading teams in small and large organizations and participating in more than 30 projects and products.


He is the author of 2 books:

Mastering Strategic Domain-Driven Design
Ode To Software Architecture: A Pragmatic Guide For Software Architects

In his free time, he contributes to the open-source world. Last year, he founded the Evolutionary Architecture By Example repository (over 1k stars), which helps to understand how software architecture can evolve.


Additionally, he is a regular speaker at programming conferences and meetups.