About
I work as a company-employed engineer in Osaka, while also operating as a sole proprietor (Business name: AQUILA SYSTEM).
Projects as a Sole Proprietor
| Year | Content |
|---|---|
| 2021-2022 | Engaged in the development of an in-house system (Ruby On Rails) for a venture company in the recruitment industry |
| 2023-2024 | Involved in the development of a new product using generative AI for the same company (Next.js, FastAPI, OpenAI API, LangChain, ELK Stack) |
Portfolio
Career Timeline
2013
Graduated from College of Information Science and Engineering, Ritsumeikan University. Joined an independent system integrator specializing in embedded systems
2017
Joined an inbound travel startup. Participated in establishing the development department, focusing on in-house system development
2018
Joined Yahoo Japan Corporation. Engaged in the development of restaurant reservation systems
2020
Worked on the renovation of the reservation system for the GoToEat project. Responsible for system restructuring to handle large-scale increase in reservations and developing batch processes for government-required reservation result reports
2021
Transferred to the email delivery system development and operations department. Led planning for large-scale system replacement, coordinated internal security requirements, and developed opt-in API for email delivery
2023
Took parental leave. Company name changed to LY Corporation
2024
Transferred to the department responsible for operation and development of internal message queuing system (Pulsar)
Career Stats
11
Years as an Engineer
4B+
Monthly Targeted Emails
100B+
Max DB Table Rows Managed
80x
Reservation Transaction Increase
2 weeks
Time to Complete GoToEat Batch System