Yoshiaki Sano

Software Engineer from Okinawa, Japan with language exchange experience in English during high school. Graduated from Ryukyu University with a Bachelor’s degree in Information Engineering. Born in 2000, 24 years old. Biologically male, pronouns are He/Him.

Education

2015-2018

English Language Exchange Student; Mount Douglas Secondary School, Victoria, B.C., Canada

2020-2024

BSc, Computer Science, Intelligence Information Course; Engineering Department, Intelligence Information Course, Ryukyu University, Okinawa, Japan

Research: Database Implementation in Parallel Trust Laboratory

Experience

2021-2023

Intern Software Engineer at Chura Data:

Worked on building web applications and performing data analysis.

2022-2023

Software Development at a Certain Graduate University:

Involved in the entire software development lifecycle, from requirements definition and detailed design to implementation and testing, for a video editing software in a lab at a graduate university. The name of the lab is kept confidential due to contractual obligations.

Technical Experience

Self-made Database Management System in Rust

Developed a database management system from scratch using Rust. The system includes:

• SQL compatibility: The system can interpret and execute SQL commands.
• Transaction implementation: The system supports database transactions to ensure data integrity.
• B-tree implementation: Used B-trees for efficient data storage and retrieval.

Repository : https://github.com/ie-Yoshisaur/OxideDB

Web and Desktop Application Development :

* Front-end: React, Vue, and vanilla TS/JS.
* Back-end: Rust, Golang, Python, and Node.js.
* Database: PostgreSQL.
* Other: Git, Docker, Tauri, Web Assembly.

Performance Tuning Contest : Participated in ISUCON, a Japanese team contest aimed at tuning and accelerating the same web application. My responsibilities included:

 * MySQL slow query analysis
 * Index optimization
 * N+1 query resolution

Achieved a ranking of 101 out of 700 teams.

Education Network for Practical Information Technologies (enPIT) Project

• Participated in an educational project supported by the Ministry of Education, Culture, Sports, Science and Technology in Japan.
• Participated in a team project that involved agile development to create a system that recommends clothing based on a person’s skeletal type.
• As a product owner, I strategically created a product backlog to enhance the value of the application, considering the development capabilities of the team and the functional requirements.
• The project received the “Idea Award”.

Other Skills

• Human Languages:
  • Japanese (native speaker)
  • English (CEFR B2)

yoshiaki.sano.personal@gmail.com