I’m a software engineer currently living in Tokyo.
Professionally, I ended up working mostly on web applications: first as a full-stack JavaScript/Java/Oracle developer on energy market applications, then writing Kotlin to run identity systems at Rakuten. If you live in Japan, you’ve probably used one of my services.
After work, I dabble in a variety of things loosely related to making stuff: programming, CAD, 3D printing, electronics and PCB design, homelabbing, laser cutting, flight simming, and more. You can often catch me at the Tokyo Hackerspace open houses. Just don’t ask me to actually finish a project ;)
I strongly believe that “done is better than perfect”.
Professional Experience
So far I have professionally worked on two major systems.
Software Engineer - cpx.Energy
A SaaS for the European energy sector. Build as a large Java and JS monolith (1+ million LOC) with complex business logic, and an even more complex web of entities. It predates the introduction of Spring Boot by more than a decade, and thus has large amounts of homegrown solutions to problems such as database migrations and build systems.
Software Engineer and Tech Lead - Rakuten Membership Platform
The central user and access management system that powers all of Rakuten’s services. Relatively simple business logic, but spread over a vast web of microservices with complicated interactions and a large number of legacy systems / decisions to deal with. Making developments more of an organizational / human challenge than a technical one.