Software engineer specializing in the quality and automation of large-scale mobile applications for both iOS and Android. For over two years, I was a key member of the team behind Rakuma, one of Japan's largest e-commerce marketplace apps. My primary focus was managing the complete QA process for the regular version release cycle on both iOS and Android devices. This hands-on experience has given me an intimate understanding of the mobile ecosystem, user-centric design, and the core functionalities of a successful marketplace, from user profiles and secure transactions to listing management. What makes me stand out is my quality-first development approach. My background in automation engineering ensures that I build applications that are not just functional but also robust, scalable, and thoroughly tested from day one. I am proficient with modern mobile testing frameworks like Appium and have a strong command of JavaScript and Python. To further my passion for building, I have also independently developed AI-powered applications, including an OpenAI-based chatbot. I am passionate about creating intuitive and seamless user experiences, and I am confident that my unique blend of mobile marketplace experience and a rigorous engineering mindset makes me an ideal partner for bringing your vision for a dedicated horse and dog equipment app to life.

Qiyung Gong (Kumo)

Software engineer specializing in the quality and automation of large-scale mobile applications for both iOS and Android. For over two years, I was a key member of the team behind Rakuma, one of Japan's largest e-commerce marketplace apps. My primary focus was managing the complete QA process for the regular version release cycle on both iOS and Android devices. This hands-on experience has given me an intimate understanding of the mobile ecosystem, user-centric design, and the core functionalities of a successful marketplace, from user profiles and secure transactions to listing management. What makes me stand out is my quality-first development approach. My background in automation engineering ensures that I build applications that are not just functional but also robust, scalable, and thoroughly tested from day one. I am proficient with modern mobile testing frameworks like Appium and have a strong command of JavaScript and Python. To further my passion for building, I have also independently developed AI-powered applications, including an OpenAI-based chatbot. I am passionate about creating intuitive and seamless user experiences, and I am confident that my unique blend of mobile marketplace experience and a rigorous engineering mindset makes me an ideal partner for bringing your vision for a dedicated horse and dog equipment app to life.

Available to hire

Software engineer specializing in the quality and automation of large-scale mobile applications for both iOS and Android.

For over two years, I was a key member of the team behind Rakuma, one of Japan’s largest e-commerce marketplace apps. My primary focus was managing the complete QA process for the regular version release cycle on both iOS and Android devices. This hands-on experience has given me an intimate understanding of the mobile ecosystem, user-centric design, and the core functionalities of a successful marketplace, from user profiles and secure transactions to listing management.

What makes me stand out is my quality-first development approach. My background in automation engineering ensures that I build applications that are not just functional but also robust, scalable, and thoroughly tested from day one. I am proficient with modern mobile testing frameworks like Appium and have a strong command of JavaScript and Python. To further my passion for building, I have also independently developed AI-powered applications, including an OpenAI-based chatbot.

I am passionate about creating intuitive and seamless user experiences, and I am confident that my unique blend of mobile marketplace experience and a rigorous engineering mindset makes me an ideal partner for bringing your vision for a dedicated horse and dog equipment app to life.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Japanese
Fluent

Work Experience

Software QA Engineer at Rakuten Group, Inc
July 1, 2025 - October 6, 2025
Managed the complete QA process for the regular version release cycle on both iOS and Android, including requirements analysis, test planning, test case creation, execution, defect logging and triage, risk assessment, and reporting. Led cross-team collaboration and stakeholder communication to ensure on-time delivery and high quality.
Software QA Engineer at Rakuten Group, Inc.
July 1, 2025 - October 6, 2025
Led offshore automation team for Rakuma e-commerce platform. Owned the end-to-end script life cycle including new feature scripting, ongoing maintenance, and scheduled execution to ensure continuous quality. Managed the complete QA process for the regular version release cycle on iOS and Android, ensuring quality for minor new features, UI upgrades, and bug fixes.
Software QA Engineer at Rakuten Group Inc
July 1, 2025 - October 6, 2025
Led end-to-end QA lifecycle for Rakuma Admin System, including requirement analysis, test planning, and test execution; defined and refined bug classifications; introduced a new testing strategy that improved execution productivity by 20%; managed multiple QA initiatives across iOS and Android versions, UI upgrades, and bug fixes; drove process improvements that enabled high-quality, on-time releases.

Education

Postgraduate Research at Tokyo University
April 1, 2021 - March 31, 2023
Bachelor of Engineering at Tokyo Institute of Technology
April 1, 2017 - March 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Retail, Computers & Electronics, Professional Services, Media & Entertainment