Masashi Katsumata

United States

@wf9a5m75

Personal

Personal Information

maskatsum@gmail.com
+1-5104026652
United States

My Resume

resume.pdf

Badges

Problem Solving
Java
Python
Days of Code
Days of JS
Days ofStatistics
Sql

Certifications

Work Experience

  • Principal Lecturer

    Greek Alphabet Software Academy•  September 2020 - Present•  Kobe, Japan

    At the Greek Alphabet Software Academy, the user serves as a Principal Lecturer, teaching junior software engineers essential topics such as software architecture, object-oriented programming, testing, documentation, and code review to build strong foundational skills.

  • Chief Executive Officer

    MKGeekLab, LLC•  August 2020 - Present•  California, USA

    At MKGeekLab, LLC, the user, as CEO, focuses on developing proof-of-concept systems for university research labs and public institutions, including web dashboards for patient data management and heartbeat monitoring systems integrated with wearable devices.

  • Senior Software Engineer

    Digital Agency, Government of Japan•  November 2022 - January 2025•  Tokyo, Japan

    At the Digital Agency, Government of Japan, the user served as a Senior Software Engineer and Tech Lead, developing a high-performance geocoder for Japanese addresses (achieving a 240x speed improvement), implementing a REST API with KeyCloak on AWS, and leading the NFC-based Android app team for digitized national identity card authentication.

  • Senior Software Engineer

    Global Micro Solutions / Social Rewards•  June 2012 - November 2019•  California, USA

    At Global Micro Solutions, the user worked as a Senior Software Engineer, effectively fulfilling the role of a Principal Software Engineer. Responsibilities included system architecture design, performance optimization, mentoring junior engineers, and coordinating with the CEO and investors to align technical solutions with business goals.

  • Software Engineer

    Goga, inc•  September 2009 - March 2012•  Tokyo, Japan

    Developed various web systems and Android applications based on client requirements. Language: Python2, Java, Objective- C, JavaScript, PHP

  • Software Engineer

    Systemaid, Inc•  April 2006 - September 2009•  Shizuoka, Japan

    Developed and maintained various web systems based on customer specifications. Language: PHP, Perl, ActionScript, Visual Basic

  • Software Engineer

    Bits, Inc•  April 2005 - March 2006•  Shizuoka, Japan

    Maintained UNIX servers at the National Institute of Genetics.

Education

  • Tokai University

    Information Technology, BS•  April 2001 - March 2005•  GPA: 3

    Graduated as the valedictorian in the department (May 2005). Major Thesis: Analysis of Webpage Networking and Evaluating the Power of Websites. Relevant Coursework: Programming, Database, Algorithms, Data Structures, Electronics. Obtained two major high-school teaching licenses in Japan ("Information" and "Technology").

Skills

NodeJs
Css
Algorithm
Data Structure
Javascript(Intermediate)
SQL