Mateusz Jastrzębski@mat_jastrzebskiFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencemat_jastrzebski has not updated employment details yet.EducationN/ALinksmat_jastrzebski has not updated links details yet. Skillsmat_jastrzebski has not updated skills details yet.