Backend Frameworks Python/Django Python/Flask Python/FastAPI JS/NodeJS Databases PostgreSQL Redis Message broker Rabbitmq Search ElasticSearch
Frontend Javascript development language Javascript ES6+ TypeScript JavaScript frameworks Vue.js Angular 2+
iOS Languages Swift Objective-C Arc. approach MVVM MVP Clean Swift Human Interface Guidelines Libraries RxCocoa UIKit Core Image Cocoa Pods PDFKit AppKit DB SQLite SQL Mobile features File Provider Spotlight Indexing Push-notifications Widgets Sign In With Apple Haptic Touch Handoff Light/Dark Mode Accessibility Wallet User Notifications
Android Languages Kotlin Objective-C Arc. approach MVVM MVP Libraries Kodein LifeCycles Retrofit LifeData DB SQLite SQL Mobile features Biometric Light/Dark Mode User Notifications Push-notifications File Provider Widgets
Integrations API Integrations FireBase Social Facebook VK Odnoklassniki Google Calls / SMS / Email Twilio Mailgun Maps Google Maps Apple Maps Yandex Maps