All contributors
All contributors
![Mike Wojtyna](https://www.sphere.it/wp-content/uploads/2022/08/mike-min-1-150x150.jpg)
Mike Wojtyna
Quality-Oriented Java Developer, Consultant & Trainer
Mike is a Java software developer with a passion for creating great products. Domain-driven design & Test-driven development are some of his favorite tools. His code is clean and easy to modify, thanks to the modular, loosely coupled design achieved by continuous TDD iterations backed by a deep understanding of business requirements. Mike is also a professional consultant and trainer. Recently he has created an interactive training program to help you become a professional software developer.
Talks by Mike Wojtyna
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![Karolina Krawczyk](https://www.sphere.it/wp-content/uploads/2024/02/unnamed-1-3-150x150.jpg)
Karolina Krawczyk
Marketing Director Eastern Europe at Pandora
I am a CMO & business generalist, people & organisational culture leader, strategist & agent of transformations. Within a 15-year career path I have gained…
![Tomasz Stachlewski](https://www.sphere.it/wp-content/uploads/2021/03/tomasz_stachlewski-min-150x150.jpg)
Tomasz Stachlewski
Principal Solutions Architect at Amazon Web Services
Tomasz Stachlewski is a Principal Solutions Architect at Amazon Web Services, where he helps companies of all sizes (from startups to enterprises) in their Cloud…
![Rafał Bigaj](https://www.sphere.it/wp-content/uploads/2021/03/Rafal_Bigaj-150x150.jpg)
Rafał Bigaj
System Architect at IBM
System Architect with long successful record of building and leading teams. Skilled staff trainer and motivator. Additional experience in project management and the use of…
![Menaka Basker](https://www.sphere.it/wp-content/uploads/2021/09/menaka_alt2-1-150x150.jpg)
Menaka Basker
Senior Programmer at Kumaran System
Working as Senior Programmer, Menaka is a tech enthusiastic blogger and an international speaker who speaks about Cloud and .Net core. Menaka spends her valuable…