https://a01sa01to.com/

M1 Japanese Student at dept. of Information and Computer Sciences, Saitama University 🇯🇵

Leader of Programming Circle "Maximum" (@saitamau-maximum) in FY2022, FY2023.

Graduated from Koga Secondary School (@kss-pc-club).
Born on 2003-01-01.

Applied Information Technology Engineer. Registered Information Security Specialist (No. 028737).

• 🌐 Web (UI/UX, a11y, speed optimization, etc)
• 💻 Algorithms & Data Structures (mainly CP)
• 🔒 Security
• and so on about information and computer sciences...

• Contents Writer Part-time at Paiza, Inc. (2023-04 - now)
• Backend Engineer Intern at Fiah Co., Ltd. (2023-04 - 2023-07)
• Data Scientists Intern at Recruit Co., Ltd. (2023-10 - 2023-12)
• Full-stack Engineer Intern at GMO Media, Inc. (2025-07 - 2025-08)
• Full-stack Engineer Intern at Money Forward, Inc. (2025-10)

• ICPC2021: seica is gone Prelim: 43th, Yokohama Regional: 11th
• ICPC2022: Maximum-goodlife9 Prelim: 16th, Yokohama Regional: 14th
• ICPC2023: Maximum-executive Prelim: 71st
• ICPC2024: executive is deprived Prelim: 31st, Yokohama Regional: 47th
• ICPC2025: Maximum Masters Prelim: 40th, Yokohama Regional: ???

https://isucon.net by LY Corporation

• ISUCON13 (2023): Maxif. 25th (5th of Student Teams)
• ISUCON14 (2024): Maxif. 29th (4th of Student Teams)

by CyberAgent, Inc.

• Web Speed Hackathon 2023: Regulation fail (Score standings: 10th, 8th of students)
• Web Speed Hackathon 2024: 3rd (2nd of students)
• Web Speed Hackathon 2025: Regulation fail (Score standings: 16th, 9th of students)