Takako Ohshima
Summary
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SeniorTakako Ohshima is a seasoned software and data engineer with 14 years of experience building backend systems in Java, Python, and PHP and eight years focused on data engineering and ML pipelines. She helped build Mercari’s US operations from an early 50-person team to IPO readiness, founding the data engineering and data reliability practice that standardized Airflow pipelines, Spark clusters, and GCP Data Fusion workflows. A competitive hacker and award-winner—nationwide US IoT Hackathon champion and AT&T Women in Tech honoree—she combines startup grit with enterprise delivery, consulting for high-revenue Japanese firms and Silicon Valley startups. Now based in Fairfield, CA, she continues hands-on engineering across data and Web3 projects while also running a small winery near Napa, blending technical precision with an unexpected winemaking entrepreneur streak.
14 years of coding experience
Github Skills (18)
grid-world9
clock9
css7
grid7
javascript6
operation4
discord-bot3
sdk3
oanda3
discord2
nodejs2
cocos2d-x2
adobe2
guard2
bash1
Programming languages (5)
Github contributions (5)
hatone/wgclock
Mar 2013 - Oct 2018
This is world grid clock!!
Contributions:76 commits, 24 PRs, 35 pushes in 5 years 8 months
grid-worldclockcssjavascriptgrid
hatone/windows_apps_practice
Dec 2013 - Jan 2014
Contributions:21 commits in 9 days
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