Sergey Rogozov
Full Stack Developer
12+ years exp
10+ projects
JavaScript
TypeScript
Node JS
PHP
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Overview
Technical skills
Timeline
Roles
Overview
A cross-platform mobile engineer at a lower-middle (junior-to-middle) level who implements small native integrations for hybrid apps. The strongest proven skill is building native Cordova plugin bindings and integrating native SDKs, as shown by ResetFontSize.initialize (Android WebView/WebSettings/main-thread handling) and the RollbarCordova native bindings on both Android and iOS (initialize and sendJsonPayload). There is little evidence of advanced mobile engineering like lifecycle resilience, offline sync, background scheduling, automated tests, or release/CI automation in the public code.
Technical skills
Languages
4
JavaScript
TypeScript
Node JS
PHP
Mobile
11
Firebase
Push Notifications
Amplitude SDK
Cordova
Ionic
Crashlytics
OneSignal SDK
Google Play Services
Google Play Billing
Capacitor
Adaptive UI
Frontend
17
JQuery
Vue.js
PixiJS
Webpack
React.js
Pinia
Three.JS
Socket.IO
Bootstrap
Sass
i18next
GSAP
Flowbite
npm
ESLint
Prettier
Lighthouse
Game Dev
6
Phaser
Construct 3
Godot
GameMaker
Tiled
Spine
Design
5
Adobe After Effects
Adobe Premiere Pro
Adobe Photoshop
3ds Max
Figma
Other
25
MySQL
Axios
Slim
SQLite
Drupal
Git
GitLab CI
TexturePacker
Cocos Creator
Android SDK
iOS SDK
Vite
Tailwind CSS
Bitrix
Electron
shadcn/ui
daisyUI
Affinity Designer
Anime.js
Blender
Android
iOS
Mobile
Cross
pnpm
Timeline
Playable Ads developer
•
Middle
AdQuantum
•
Full-Time
Developed software for mobile playable ads and related marketing content. Implemented interactive playable experiences using PixiJS, Vue.js, and Three.js. Worked on code refactoring and custom build/packaging processes with strong focus on build performance optimization.
PixiJS
Vue.js
Three.JS
HTML5-developer
•
Middle
Rockstone
•
Full-Time
Worked on the mobile game Merge Pets. Refactored existing code, built new components and animations, and fixed bugs. Adapted layouts from Figma into the game engine, and handled Android app setup, updates, and builds including Spine integration.
Figma
Fullstack developer
•
Middle
Sensitive Media
•
Full-Time
Developed mobile games and tools for game designers. Created playable ads and related gameplay/production components. Also worked on backend microservices as part of the game development ecosystem.
Middle Mobile Developer
Confidence: Medium Cross-platform
A cross-platform mobile engineer at a lower-middle (junior-to-middle) level who implements small native integrations for hybrid apps. The strongest proven skill is building native Cordova plugin bindings and integrating native SDKs, as shown by ResetFontSize.initialize (Android WebView/WebSettings/main-thread handling) and the RollbarCordova native bindings on both Android and iOS (initialize and sendJsonPayload). There is little evidence of advanced mobile engineering like lifecycle resilience, offline sync, background scheduling, automated tests, or release/CI automation in the public code.
Platform Native Mastery
2/10
Knowing the mobile platform
Basic platform-native usage: correct use of Cordova plugin lifecycle and main-thread interaction but no advanced lifecycle or structured concurrency handling (no state restoration, process-death handling or cancellable structured concurrency).
Evidence
sirg2003/cordova-plugin-reset-fontsize/src/android/ResetFontSize.java:initialize - cordova.getActivity().runOnUiThread(...) and WebSettings usage
sirg2003/sirg-rollbar-cordova/src/android/com/rollbar/cordova/RollbarCordova.java:initialize - Rollbar.init(context)
sirg2003/sirg-rollbar-cordova/src/ios/RollbarCordova.m:pluginInitialize - [Rollbar initWithAccessToken:]
Mobile UI/UX & Responsiveness
1/10
Smooth mobile experience
Minimal UI/UX work - touches WebView text zoom which affects readability but no adaptive layouts, accessibility, RTL, dynamic type, or measured responsiveness work.
Performance & Battery
1/10
Speed and battery use
No measurable performance or battery work; only small logging and main-thread scheduling are present without profiling, baseline profiles, or doze/background-aware tasks.
Offline & Data Sync
Working offline and syncing
Not evidenced in public code
Device Integration
3/10
Using device features
Solid native SDK integration and Cordova bridge wiring - exposes native SDK calls to the JS layer, but lacks complete permission flows, denial handling, or advanced device-edge-case handling.
Release & App Lifecycle
Building and publishing apps
Not evidenced in public code
Verified artifacts
Expertise
Mobile Multiplatform• Middle
Technologies
Mobile
Android
Cross
iOS
Android SDK
iOS SDK
Cordova• mentioned only
Recommendations
- Develop and maintain small cross-platform native plugins and SDK integrations for hybrid apps (Cordova/Capacitor) - e.g., crash reporting, analytics, or device features.
- Improve robustness by adding error handling, input validation, and edge-case checks around native SDK calls and Cordova command handling.
- Add automated tests (unit and integration) for plugin bridge logic and set up basic CI to run them and validate platform builds.
- Extend expertise with lifecycle and background work patterns - implement process-death/state restoration, permission flows, and idempotent retry for native operations.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories: