Oleksii Lemeshinskyi
Middle Flutter Developer at Krootl
Kyiv, Ukraine
Summary
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Rockstar🎓
Top School
Top expert inAndroid and Flutter Development Skills
Oleksii Lemeshinskyi is a Middle Flutter Developer with 11 years of software experience and over three years focused on Flutter and Dart, building production mobile apps for startups and established companies from Kyiv, Ukraine. He implements Clean Architecture and MVVM, introduced CI/CD for Flutter to halve deployment times, and brings Test-Driven Development discipline to projects across fintech, delivery, media, and VPN domains. Oleksii has a practical eye for UI/UX, contributing notable Android open-source fixes and enhancements (uCrop, Phoenix) that improved image cropping and refresh animations. Comfortable leading end-to-end mobile builds, he pairs hands-on engineering with cross-functional collaboration to deliver stable, maintainable apps on schedule. His GitHub motto—"Don't waste your time. Or time will waste you."—reflects a pragmatic, efficiency-minded approach to development and product impact.
11 years of coding experience
2 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Английский, Немецкий, Украинский, Русский
Github Skills (17)
animation10
image-processing10
image-cropper10
ui-design10
cropperjs10
java10
javas10
uid10
crop-image10
front-end-development10
android10
android-ui10
cropper10
bitmap9
gradle9
Programming languages (8)
Github contributions (5)
Yalantis/Phoenix
Jan 2015 - Jul 2015
Phoenix Pull-to-Refresh
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:22 commits, 3 PRs, 26 pushes in 6 months
Contributions summary:Oleksii primarily contributed to the `phoenix` repository, a pull-to-refresh library for Android. Their work involved updating the project's dependencies, refactoring code, and incorporating new UI elements such as `JetRefreshView`, and other UI enhancements. The user also focused on resolving merge conflicts, indicating active involvement in integrating changes from development branches and maintaining the project's build configurations. The code changes focused on UI elements to achieve different animation effects.
animationphoenix-frameworkpull-to-refreshrefreshelixir
Yalantis/uCrop
Jan 2016 - Sep 2016
Image Cropping Library for Android
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:106 commits, 28 PRs, 45 pushes in 7 months
Contributions summary:Oleksii primarily contributed to the image cropping library for Android, focusing on fixing bugs and improving the functionality of the `CropImageView`. Their work included resolving issues with the `Bitmap.createBitmap` method, correcting cropping logic for image positioning, and extracting overlay functionality. The user also added features such as oval dimmed area support and the ability to set custom aspect ratios, demonstrating a focus on UI and usability enhancements.
animationimagerotationcropandroid
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