市川徹 @whitecrow0109Software engineerPolandFollow BadgesJavaPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencewhitecrow0109 has not updated employment details yet.Educationwhitecrow0109 has not updated education details yet.