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Kraj: Japan

Lokalizacja: Tokyo, JP

Na Useme od 13 stycznia 2026

O mnie

Senior Full Stack Software Engineer with 20+ years of experience designing and delivering enterprise-grade web applications across banking, e-commerce, data analytics, and gaming industries. Extensive expertise building high performance JavaScript frontends, scalable REST/GraphQL APIs, and optimized relational database systems for mission critical financial platforms processing millions of transactions. Proven track record leading engineering teams, modernizing legacy systems to cloud-native microservices architectures, and implementing robust security controls for regulatory compliance in the banking sector. Collaborative technical leader who partners closely with product managers, designers, and stakeholders to deliver reliable, secure, and user-centric solutions while mentoring junior engineers and driving engineering excellence.

CV / Résumé

Lip 2020 - Sie 2025

Software Engineer

Toho Bank

Architected microservices-based core banking APIs using Spring Boot and Node.js, implementing secure transaction processing, account management, and real-time balance inquiry with sub-200ms response times.

Kwi 2011 - Mar 2016

Senior Software Engineer

Naturum (株式会社ナチュラム)

Developed and scaled the e-commerce platform's product catalog system handling 50,000+ SKUs across outdoor gear, fishing tackle, and camping equipment categories with real-time inventory synchronization.

Kwi 2007 - Mar 2011

Software Engineer

Datasection Inc

Developed big data analytics dashboards using jQuery, Flash/Flex, and server-side rendering, enabling enterprise clients to visualize market research insights, consumer behavior patterns, and competitive intelligence from millions of data.

Paź 2005 - Mar 2007

Junior Software Engineer

NEXON Co., Ltd

• Tech Stack: JavaScript, PHP, MySQL, SQL Server, jQuery, HTML/CSS, Git, Linux • Developed web-based game management portals and player dashboards for multiple MMO titles, supporting 100,000+ concurrent users with real-time game statistics

Kwi 2005 - Wrz 2005

Software Engineering Intern

NEXON Co., Ltd

• Tech Stack: JavaScript, PHP, MySQL, HTML/CSS, jQuery, Linux • Developed internal tools for game QA teams to track bug reports, test cases, and regression testing workflows, improving testing efficiency by 30%.

Portfolio

NEXON Co., Ltd

Developed internal tools for game QA teams to track bug reports, test cases, and regression testing workflows, prototype web pages for game event announcements and promotional campaigns

Portfolio item

NEXON Co., Ltd

NEXON Co., Ltd

Developed internal tools for game QA teams to track bug reports, test cases, and regression testing workflows, prototype web pages for game event announcements and promotional campaigns

Naturum (株式会社ナチュラム)

Developed and scaled the e-commerce platform's product catalog system handling 50,000+ SKUs across outdoor gear, fishing tackle, and camping equipment categories with real-time inventory synchronization.

Portfolio item

Naturum (株式会社ナチュラム)

Naturum (株式会社ナチュラム)

Developed and scaled the e-commerce platform's product catalog system handling 50,000+ SKUs across outdoor gear, fishing tackle, and camping equipment categories with real-time inventory synchronization.

Datasection Inc

Developed big data analytics dashboards using jQuery, Flash/Flex, and server-side rendering, enabling enterprise clients to visualize market research insights, consumer behavior patterns, and competitive intelligence from millions of data

Portfolio item

Datasection Inc

Datasection Inc

Developed big data analytics dashboards using jQuery, Flash/Flex, and server-side rendering, enabling enterprise clients to visualize market research insights, consumer behavior patterns, and competitive intelligence from millions of data

Toho Bank (東邦銀行)

Architected microservices-based core banking APIs using Spring Boot and Node.js, implementing secure transaction processing, account management, and real-time balance inquiry with sub-200ms response times.

Portfolio item

Toho Bank (東邦銀行)

Toho Bank (東邦銀行)

Architected microservices-based core banking APIs using Spring Boot and Node.js, implementing secure transaction processing, account management, and real-time balance inquiry with sub-200ms response times.