Keita Watanabe is a software engineer based in Tokyo with nine years of experience spanning research support, mobile and web development, and data analysis. He blends academic rigor from roles at Hiroshima University and a research internship at the University of Barcelona with hands-on engineering, contributing iOS fixes to the SwiftUI Mastodon client IceCubesApp and building personal web and app projects. Proficient across R, Python, MATLAB, TypeScript/React, Swift, and PHP, he moves comfortably between data analysis and full-stack or mobile implementations. Keita’s tooling fluency (vim, VSCode, Linux) and design-minded skills (Figma) help him ship polished, user-facing features. Unusually for an engineer with research ties, he also has translation experience (Spanish–Japanese), reflecting cross-cultural communication strengths that support international collaboration.
9 years of coding experience
Bachelor's degree, Bachelor's degree at University of Barcelona
Exchange Programm, Exchange Programm at University of Deusto
Exchange Programm, Exchange Programm at Universität zu Lübeck
Spanish, Japanese, German, Basque, Catalan, English
Contributions summary:Keita primarily contributed to the IceCubesApp, a SwiftUI Mastodon client, by addressing various bug fixes and making minor improvements. They fixed build errors related to package dependencies, added open-source licenses, and resolved issues related to the UI, specifically concerning the AboutView preview and the account display in the app. Additionally, they corrected the account order and fixed a string interpolation warning.
Contributions:32 PRs, 23 pushes, 19 branches in 1 month
androiddroidkaigikotliniostokyo
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