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toyo_fumi

Fong Wun C.

@toyo_fumi

Flutter iOS Engineer, MCP Servers, Chinese Localization

Japan
English, Japanese, Chinese
About me
Full-stack engineer (since 2018) based in Japan. I've shipped 4 Flutter apps to the App Store solo and run 235+ successful TestFlight CI builds across 11 repos. I fix App Review rejections, set up tag-to-TestFlight pipelines, and build MCP servers that let Claude and other AI agents use your API safely. Native Traditional Chinese speaker: I also localize apps into zh-TW. Clear scope, daily written updates, and a short handover doc at the end.... Read more

Skills

t
toyo_fumi
Fong Wun C.
Offline • 

See my services

Mobile Store Management
I will fix your app store rejection and get your ios app resubmitted
From$90 / projectMore details
CI/CD
I will set up github actions ci to ship your flutter ios app to testflight
From$150 / projectMore details

Portfolio

Work experience

Self_employed / Freelance

Founder and Lead Developer

Self employed / Freelance

Jan 2023 - Dec 2025 • 2 yrs 11 mos

Ran iCyan Studio, my independent software studio. Shipped 4 Flutter apps to the App Store solo, including a meditation app approved with 4 auto-renewable subscriptions after a multi-issue App Review rejection. Built GitHub Actions + fastlane release pipelines (235+ successful TestFlight builds across 11 repos), open-source MCP servers for AI agents, and a corporate website for an interior-design client.