Manish Kumar Panday
Flutter developer · Software Engineer at Innopay · Bangalore, India
I'm a Flutter engineer drawn to the hard parts. At Innopay, I build payment apps downloaded more than 6 million times. On my own, I've published 14 open-source packages, written a rendering engine that keeps 100,000 moving items smooth, and created DartIsCool, a free course that teaches algorithms from scratch.
6M+Play Store downloads of the payment apps I build
4.8★Innopay app rating, from 10,960 reviews
14open-source packages on pub.dev, every one 160/160
—package downloads in the last 30 days (live from pub.dev)
Experience
Recharges, bill payments and rent payments, shipped in Flutter to Android and iOS.
Open source
Each package fills a gap I hit in a real app. All are documented, tested and score 160/160 on pub.dev.
Newest · featured
morphos_ui
A rendering engine for Flutter: thousands of cards on one spring-animated surface. Grids morph into lists, cards glide into place, and it only draws what is on screen and only animates what is moving. Tested on iOS, Android, macOS, Windows, Linux and web.
- Levelwith a hand-written CustomPainter at 5,000 cards, with hit testing, accessibility and keyboard support built in
- ~8× fasterthan a hand-written painter when 100,000 cards morph at once
- ~33× fasterwhen one card changes in a 100,000-card list
flutter_rich_notificationsPush notifications with a full hero image and the full body text, on Android and iOS.v0.1.3interactive_keyboard_dismissThe keyboard follows your finger as a list is dragged into it.v0.1.1flutter_control_centeriOS 18 Control Center, Lock Screen and Action button controls.v0.1.0wear_os_tilesWear OS tiles and watch-face complications, described in Dart.v0.1.0input_languageDetects the active keyboard language and sets text direction.v0.1.0► demomobius_carouselA drag-driven carousel with tilted cards and a ripple reveal.v0.3.1► demoscroll_transitionSwiftUI-style scroll transitions and visual effects.v0.1.1► demomaterial_defaultsPublic access to the Material 3 default styles Flutter keeps private.v0.1.0► demomiddle_click_autoscrollBrowser-style middle-click autoscroll for desktop and web.v0.1.1► demouniversal_spell_checkSpell check for text fields on web, macOS, Windows and Linux.v0.1.1► demoweb_update_guardStops Flutter web users running a stale cached build after a deploy.v0.1.0► demonative_proxy_resolverResolves the OS proxy per URL, including PAC and WPAD auto-config.v0.1.0aether_threadRuns heavy work off the UI thread on warm worker isolates, in one call.v0.1.0
Currently building
A personal project, in progress and not yet public.
GameLM
A behavioural-intelligence SDK for Flutter games: AI opponents that learn from how people play, and analytics that help developers understand their players. It ships with an admin dashboard for following players across several games.
DartIsCool
A free course that teaches Dart from your first line of code to every classic algorithm: 85 animated lessons, including Flutter interview prep and a problem-solving level. Every code sample is tested.
Open DartIsCool →What I work with
FlutterDartCustom RenderObjects
Impeller & CanvasKitPlatform channels: Kotlin, Swift
Payments & KYC flowsJenkins CI/CDGitHub Actions
Google & Meta analyticsAndroid & iOSFlutter web
pub.dev publishing