WS
William Sjahrial
Engineer - Entrepreneur - Educator
25 years in Tech. I've built mobile apps in Tokyo, ran a software agency in Jakarta, and co-founded a tech startup in Singapore. I'm currently a Professional Skills & Tech Mentor at Apple Developer Academy. I'm still coding, still experimenting, and working on becoming a better educator and learning facilitator.
Current work
Apple Developer Academy
Mentor · Indonesia
Past highlights
Port
Tech Startup · Singapore
Mirai Technologies
Software Agency · Indonesia
iStart Language Apps
Indie Apps · Japan
Remembering the Kanji
Collaboration · Japan
Bowlingual
App Developer · Japan
Miffy Moment
LEGO Robotics · Indonesia
Teaching, Training, and Speaking
Jakarta iOS + AI Meetup
Organizer · 2013–Present
Universitas Multimedia Nusantara
Lecturer · 2016–2017
BCA Bank
Corp Trainer · 2017
Around the world
Building apps took me places I never planned. Here are some highlights.
1997 – 2001
🇺🇸 Atlanta, USA
Computer Science at Georgia Tech. Building mobile apps for the first time.
2001 – 2009
🇯🇵 Tokyo, Japan
Early Career. Building mobile apps for a living. The city that shaped everything.
2014 – 2020
🇮🇩 Jakarta, Indonesia
Back home. Built an amazing team and learned how to run a business.
2020
🇸🇬 Singapore
Antler. Tech startup incubator. Diving head first into entrepreneurship.
2020 – 2022
🇹🇼 Taipei, Taiwan
Port. VC-backed startup working on remote telepresence during a global pandemic.
2022 – 2023
🇰🇷 Seoul, South Korea
Six months for the handover. South Korea is fast, intense, and unforgettable.
2025 – Present
🇮🇩 Tangerang, Indonesia
Home again. Mentoring at Apple Developer Academy. The adventure continues.
Let me know how I can help.
will@willsjah.com