Tatsuya Kitabatake@e2tod2Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencee2tod2 has not updated employment details yet.Educatione2tod2 has not updated education details yet.LinksPortfoliohttp://sissoko.hatenablog.com/ Skillse2tod2 has not updated skills details yet.