Kengo's Resume
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Resume

PROFILE

NameKengo Takimoto
OccupationSoftware Engineer in Tokyo, Japan
CompanyHitotsuto Co.
BlogKengo’s Blog
ResumeKengo’s Resume

SUMMARY

Currently working as a Full Stack Engineer at Hitotsuto Co., specializing in web application development using modern JavaScript frameworks, PHP and cloud technologies.
With 7+ years of experience in software development, I focus on creating scalable, maintainable solutions while maintaining high code quality and performance standards.

WORK EXPERIENCE

CEO and Senior Software Engineer • Hitotsuto Co. • 2023-Present

  • Established corporation transitioning from sole proprietorship in 2023
  • Continuing engagement with ongoing projects since 2021

BrSE and Senior Software Engineer • Wellmira Inc. • 2021-2024

  • Served as Bridge Engineer for offshore development with Vietnam teams
  • Developed web backend and frontend for healthcare applications using JS, PHP, and Laravel
  • Developed scratch ETL processing system using Python for large-scale data optimization
    • Reduced data processing time from 4 hours to 20 minutes
  • Optimized AWS Athena queries for better performance
  • Led a team of 4 domestic developers, established development environment, and conducted code reviews

PROJECTS

Healthcare Application Backend Development and Vietnam Bridge Engineering • 2021-2024

  • Facilitated offshore development communication between Japanese and Vietnamese teams
  • Developed web backend and frontend using JS, PHP, and Laravel for healthcare applications
  • Created ETL processing system from scratch using Python for large-scale data optimization
    • Successfully reduced processing time from 4 hours to 20 minutes
  • Implemented AWS Athena query optimization
  • Led a 4-member development team in Japan, established development environment, and managed code reviews

E-commerce Page Auto-generation Application Development • 2020-2021

  • Developed backend and frontend systems using JS, PHP, and Laravel

English Conversation Service Launch • 2019-2020

  • Developed backend systems using PHP and Laravel

LANGUAGES

Programming Languages

  • PHP
  • JavaScript/TypeScript
  • Python
  • Lua

Frameworks, Other skills

  • Laravel
  • React
  • Next.js
  • Astro
  • Vue.js
  • MySQL
  • PostgresSQL
  • Docker
  • AWS

Human Languages

  • Japanese: Native
  • English: Intermediate
    • Daily communication with international team members
    • Technical documentation and presentation experience

EDUCATION

Master’s Degree in Biomedical Engineering

Graduate School of Biomedical Engineering, Tohoku University • 2009-2011

Additional Certifications

  • The Official Business Skill Test in Bookkeeping, 3rd Grade (2016)
  • High School Teacher’s Specialized License in Science (2011)
  • Junior High School Teacher’s Specialized License in Science (2011)
  • Elementary School Teacher’s Type 1 License (2009)