Peer Reviews

A summary of what colleagues consistently said across years of internal peer reviews and contribution data since 2013. Original review screenshots are not published, to protect personal information.

"Business Passion & Unwavering Responsibility"

Users Rule & Data-Driven

"Obsessed with users; evidence always comes from data"

Reviewers consistently noted a focus on the service's essential value rather than technology for its own sake.

Problem Solver

"Finds the 1% problem, then works out the 99% solution"

A recurring theme: catching the details others miss and raising the completeness of the system.

Collaboration Partner

"A collaboration partner people want to work with"

Recognized as an expert who delivers high-quality results and a reviewer who helps colleagues grow.

Hands-on Contribution

2,400+ contributions a year (2021)

Kept contributing hands-on as a team lead, devoting about 40% of all activity (2022) to code review.

Recognition
  • LINE 'Best Engineer Award' (2017) — for outstanding technical contribution and business impact.
  • JCE Rookie Award (2009) and Excellent Employee Award (2010) in consecutive years.