Olga Mazur

Software Tester at SIENN

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Olga Mazur Email & Contact Information

Olga Mazur Current Workplace: SIENN

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Jeroen Klooster

Strategic Advisor

Business consultant

Customer Success Manager

German Gallegos

Gerente Potenciadora de Negocios

Katarzyna Zielińska

Office Manager

Frontend Developer

Accounting and Controlling Specialist

Michał Kowalski

Junior Developer

Konrad Krzysztofiak

Programista Full Stack

Grzegorz Swistek

Managing Director / CEO