Tomohiro Mitsumune
Software Engineer at SMS Co.,Ltd
Saitama Prefecture, Japan
Summary
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SeniorTomohiro Mitsumune is a seasoned software engineer with 17 years of experience building and operating web services and platforms across Japanese internet companies. He has led development and engineering teams at 4travel and contributed to major initiatives at DeNA, including MangaBox APIs, social platform improvements, and new healthcare and NBPF platform launches. Currently at SMS Co.,Ltd, he combines hands-on backend development with product-minded operational experience gained from early work on photohito.com and long-term platform maintenance. Known for his "tsukkomi" role on GitHub, he brings a pragmatic, team-oriented communication style that balances critique and practical solutions. Based in Saitama, he pairs a master’s-level IT background with a proven track record of shipping scalable services and mentoring engineers through growth-stage projects.
17 years of coding experience
11 years of employment as a software developer
Japanese, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (45)
google-workspace10
apps-script10
google-apps-script10
google-docs10
electron10
microsoft10
typescript10
vscode-extension10
editor10
redux10
vscode10
drive9
javascript9
visual-studio-code9
ruby9
Programming languages (7)
Github contributions (5)
tmitz/askeet-symfony1_2
Nov 2008 - Apr 2011
Contributions:14 commits in 2 years 5 months
tmitz/FlickrSearchSwift
May 2015 - Sep 2016
Contributions:2 PRs, 6 pushes, 3 branches in 1 year 4 months
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