Haruki Hasegawa

Tokyo, Japan

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Summary

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Haruki Hasegawa is a robotics-focused software engineer and Master's student at Nagaoka University of Technology with 13 years of technical experience spanning mechanical engineering and software development. He blends hands-on manufacturing insight from an internship at a Japanese firm in Vietnam with current work as a software engineer at a robotics startup, contributing to cutting-edge automation projects. On GitHub he has contributed meaningful Android improvements and refactors to notable projects like the DroidKaigi conference app and the android-advancedrecyclerview library, demonstrating a taste for maintainable UI architectures and reusable components. Comfortable in global, cross-disciplinary teams, he aims to serve as an overseas-based engineer for Japanese manufacturing, bringing Japan’s monozukuri strengths to international contexts. A practical problem-solver, he pairs control-engineering research with production-grade software practices to bridge hardware and mobile software effectively.

13 years of coding experience

Master's degree, Mechanical information / Control engineering, Master's degree, Mechanical information / Control engineering at Nagaoka University of Technology

Associate's degree, Mechanical Engineering, Associate's degree, Mechanical Engineering at 長岡工業高等専門学校

Stackoverflow

Stats

385reputation

18kreached

3answers

0questions

Github Skills (15)

kotlin10

javas10

android-application10

recyclerview10

android-app10

android-apps10

android-recyclerview10

android10

java10

password-generator6

macos6

android-fragments6

ruby6

security6

kotlin-multiplatform5

Programming languages (17)

JavaC++CVueGoHTMLKotlinTypeScript

Github contributions (5)

h6ah4i/android-advancedrecyclerview

Jan 2015 - Feb 2021

RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)

Role in this project:

Mobile Developer (Android)

Contributions:1 release, 712 commits, 92 PRs in 6 years 1 month

Contributions summary:Haruki primarily focused on extending the existing RecyclerView extension library, contributing to several aspects of its functionality. This involved refactoring existing adapter classes, such as `BaseManagerAdapter`, `DraggableItemWrapperAdapter`, and `SwipeableItemWrapperAdapter`, to improve code structure and maintainability. Additionally, the user implemented features like handling swipe actions with background changes, auto-scrolling while dragging, and adapting the library to accommodate the use of a ViewPager.

inboxrecyclerviewheadermusic-playmusic-app

DroidKaigi/conference-app-2022

Sep 2022 - Sep 2022

The Official Conference App for DroidKaigi 2022

Role in this project:

Mobile Developer (Android)

Contributions:7 commits, 2 PRs, 4 comments in 1 day

Contributions summary:Haruki primarily contributed to the Android application by adding modifier parameters to Composable functions across multiple feature modules. These changes were implemented in key areas of the app, including announcements, session details, settings, the map view, and contributor pages. This indicates a focus on improving code reusability and potentially supporting more flexible UI customization within the application's composable architecture. The consistent application of this fix across multiple components suggests a refactoring effort.

kotlin-multiplatformandroiddroidkaigiandroid-appkotlin

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