Hiroki Nagasawa
Software Engineer (iOS Developer) at Blue Comet Labs
Kobe, Japan
Summary
👤
Senior🎓
Top SchoolHiroki Nagasawa is an experienced iOS and macOS engineer with 11 years building consumer and healthcare apps, currently shipping features and improving CI/CD for Todoist and Twist at Doist. He combines deep Swift and Objective-C knowledge with backend experience (Ruby, PHP) and reactive patterns like RxSwift, gained across startups and mid-size teams. Based in Kobe, Japan, he also founded Blue Comet Labs in 2022, signaling an entrepreneurial bent alongside hands-on product development. His background in applied physics informs a pragmatic, security-minded approach to app architecture and API design.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Department of Applied Physics and Physico-Informatics, Bachelor's degree, Department of Applied Physics and Physico-Informatics at Keio University
Japanese, English
Stackoverflow
762reputation
137kreached
26answers
3questions
Github Skills (146)
programming-language10
authentication10
sqlite-database10
ruby10
automation10
linter10
command-line-tool10
linting10
firebase10
firebase-authentication10
rxswift10
static-analysis10
reactiveswift10
reactive10
nsuserdefaults10
Programming languages (11)
Github contributions (5)
bluecometlabs/bluecometlabs.com
Apr 2023 - May 2025
Contributions:72 reviews, 104 PRs, 168 pushes in 2 years
jekyll
bluecometlabs/8planets.app
Mar 2021 - May 2025
Website for 8Planets app
Contributions:1 release, 110 reviews, 179 PRs in 4 years 2 months
8planetsjekyll
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