Flavio Miamoto
Software Development Engineer II at Amazon
Tokyo, Japan
Summary
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Rockstar🎓
Top SchoolFlavio Miamoto is a Software Development Engineer II based in Tokyo with nine years of hands-on experience building reliable, concurrent backend systems for high-stakes domains like tax compliance and financial settlements at Amazon. He has driven core infrastructure work for Amazon Furusato in Japan and previously shaped global edge configuration and high-performance delivery at Azion, bringing a strong focus on correctness, observability, and operational excellence. Comfortable across the stack, he contributes to notable open-source projects such as GitHub’s CLI and lazygit, where he improved API integrations, UI robustness, and internationalization. Known for digging into others’ code to learn and improve systems, he pairs rigorous engineering discipline with a curious, pragmatic approach to real-world problems—and occasionally writes about engineering, careers, and language learning.
9 years of coding experience
5 years of employment as a software developer
Federal University of Technology – Paraná
English, Portuguese, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
git10
testing10
command-line-interface10
terminal-emulator10
terminal-application10
wpgraphql10
go10
github-api10
wordpress-graphql10
command-line10
graphql10
terminal-ui10
rest-api10
cli10
configuration-management9
Programming languages (19)
Github contributions (5)
jesseduffield/lazygit
Mar 2020 - Dec 2021
simple terminal UI for git commands
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:11 reviews, 11 commits, 11 PRs in 1 year 9 months
Contributions summary:Flavio primarily contributed to the UI and configuration aspects of the `lazygit` project, a terminal UI for Git commands. They implemented a configuration option to disable force pushing, incorporating internationalization for related messages. Furthermore, the user addressed a critical bug by fixing a panic caused by unprintable key presses and added extra quoting for shell commands on Linux to handle spaces and special characters in filenames. This work also involved adding bindings to navigate lists and improve the user experience.
ratatuirustterminal-uisimple-terminalgit-commands
cli/cli
Jul 2020 - Aug 2020
GitHub’s official command line tool
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 commits, 5 PRs, 17 comments in 13 days
Contributions summary:Flavio primarily contributed to the command-line interface of the project by implementing and refining the issue listing functionality. This involved utilizing both the REST and GraphQL APIs for retrieving milestone data. The user also refactored code to leverage GraphQL more efficiently. Furthermore, they added unit tests and mock data for these API calls, enhancing the robustness of the issue listing feature.
golangcommand-line-toolgocommand-linecli
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