iOS application development

Applications developed for: iPhone, iPad, Apple Watch, Apple TV.

Programming languages: Objective-C, Swift

Package management: CocoaPods, Carthage, Swift Package Manager

UI: UIKit, xibs, storyboards, SwiftUI, Stevia, SnapKit

Architecture: MVVM (most used), in addition VIPER, Clean Swift

Reactive programming: RxSwift, RxCocoa, ReactiveSwift

Other libraries and technologies: AFNetworking/Alamofire, CoreData, MagicalRecord, Firebase, OneSignal, BLE, SocketIO, GPUImage...

Frontend & Backend programming

Frontend

Programming languages: JavaScript, TypeScript, PHP, HTML, CSS, SCSS

Frameworks: Angular, AngularJS, Vue, React

Architecture: MVP, component with separated logic to the service layer

For presentation and SEO purposes, we use the classic HTML rendering approach via PHP or pure HTML with added JavaScript Vue or jQuery/pure JavaScript.

Backend

Programming languages: PHP, JavaScript, SQL

Frameworks: Laravel, CakePHP, Symphony, Wordpress, Sails.js

Architecture: MVP, while trying to separate the logic into the service layer

SDK: Facebook, Instagram, Firebase Cloud Messaging, OneSignal, Mailchimp, GoPay, Tatrapay

Other tools: Postman, Apiary.io, Git, Docker, AWS - EC2 & RDS & Route & Elastic Beanstalk

Relational databases MySQL, MariaDB, PostgreeSQL, SQLite.

Android application development

Programming languages: Java, Kotlin

Technologies: RxJava, RxKotlin, Kotlin Coroutines

Network communication: Retrofit2 (Rest API), KSoap2 (SOAP API), ApolloGraphQL (GraphQL API), Socket.io (Web Socket)

Database: Room, Realm, SQLite

Architecture: MVVM: Android Architecture Components Framework & Inloop View Model Framework (used in the past until google had its own library). We use MVVM in conjunction with another design pattern, for simple smaller projects repository pattern, where ViewModel is connected to the repository layer, which branches to DB layer and API layer. For all larger projects, we used a clean architecture design pattern (UseCase-oriented architecture), with this type we experimented with multiple approaches.

Dependency Injection: Dagger2, Koin

Push notifications: Firebase, OneSignal

Analytics & Crash reporting: Firebase, Flurry

Unit testing: Junit

Experience with the SDK: Google Vision, Google Pay, Google Maps, Facebook SDK, VKontakte SDK, Instagram SDK

Other experience: Bluetooth, Audio recording, video recording

UX & UI designing

We can convert any wireframe model to minimalistic Mock Up with modern responsive design.

Design for: Mobile & Tablet applications, Web applications, Websites and others.

Tools: Adobe Photoshop & Illustrator & XD & InDesign