Anton is available for hire
Hire AntonAnton Rogachevskyi
Verified Expert in Engineering
APIs Developer
Location
Valencia, Spain
Toptal Member Since
August 2, 2022
Anton is an iOS developer with about 16 years of development experience, including seven years of intensive iOS experience. His favorite domains are fintech, edutech, and social networking. Anton is good at problem-solving and can easily set up your project from scratch.
Portfolio
AB Volvo
Swift, Objective-C, APIs, UIKit, GitHub, Git, Mobile Apps, iOS SDK, Mobile GPS...
Banco Santander
Swift, SwiftUI, APIs, UIKit, GitHub, Git, Mobile Apps, Firebase, iOS SDK...
Welltory
iOS, Objective-C, JavaScript, C++, SwiftUI, APIs, SQL, UIKit, Git, Mobile Apps...
Experience
Availability
Part-time
Preferred Environment
Xcode, iOS, Swift, Camera API, Mobile Applications, Mobile App Development, REST, Auth, API Integration, TestFlight, App Store, Mobile, Apps, iTunes Connect, Figma
The most amazing...
...project I've been involved with was working on an application security review for Volvo.
Work Experience
Senior iOS Developer
2021 - 2022
AB Volvo
- Made a security review of 20+ Volvo applications. Fixed critical security issues.
- Met project deadlines and 97% of goals, which is the best result among all the review teams in the company.
- Led several integration processes with 3rd party services. Built an application map layer based on those integrations.
Technologies: Swift, Objective-C, APIs, UIKit, GitHub, Git, Mobile Apps, iOS SDK, Mobile GPS, CocoaPods, JSON, Mobile Development, Core Data, Xcode, iOS, iOS Frameworks, REST APIs, RxSwift, Async/Await, Mobile Applications, Mobile App Development, REST, Auth, API Integration, TestFlight, App Store, Mobile, Apps, iTunes Connect, Model View Viewmodel (MVVM), Figma, iOS Native Libraries
Senior iOS Developer
2020 - 2021
Banco Santander
- Built an instant payment module for a bank enterprise application with over one million active users.
- Built a module-based application architecture that enabled working on the same codebase with 15 developers at a time.
- Increased the application unit tests coverage from 60 to 85%.
Technologies: Swift, SwiftUI, APIs, UIKit, GitHub, Git, Mobile Apps, Firebase, iOS SDK, CocoaPods, JSON, WatchOS, Apple Pay, Mobile Development, Core Data, Xcode, iOS, iOS Frameworks, REST APIs, RxSwift, iPad, Mobile Applications, Mobile App Development, REST, Auth, API Integration, RealmSwift, TestFlight, App Store, Mobile, Apps, iTunes Connect, Model View Viewmodel (MVVM), Figma, iOS Native Libraries
Senior iOS Developer
2018 - 2020
Welltory
- Built a core data-transport module of a health care application with over one million active users. Did the cross-platform module with three different technologies, C++, Swift, and JavaScript.
- Led the third-party company integration process, using Calm and Bitrix. Implemented integrations based on deep links and SDKs.
- Led the application release process. Built a release step-by-step documentation and some automations.
Technologies: iOS, Objective-C, JavaScript, C++, SwiftUI, APIs, SQL, UIKit, Git, Mobile Apps, iOS SDK, Mobile GPS, CocoaPods, JSON, Bluetooth, WatchOS, Mobile Development, Core Animation, Xcode, Swift, iOS Frameworks, REST APIs, Mobile Applications, Mobile App Development, REST, Auth, API Integration, AudioKit, TestFlight, App Store, Mobile, Apps, iTunes Connect, Model View Viewmodel (MVVM), iOS Native Libraries, CouchDB
Senior iOS Developer
2017 - 2018
Chummy
- Built core features as a solo developer. Developed the social networking iOS applications, such as map, chat, and user connections.
- Rewrote Objective-C modules into Swift. Covered 80% of the application with unit tests.
- Split the iOS application into module architecture. Resulted in the build time being reduced by 70%.
Technologies: Swift, Objective-C, APIs, SQL, UIKit, Git, Mobile Apps, Firebase, iOS SDK, Mobile GPS, CocoaPods, JSON, Mobile Development, Xcode, iOS, iOS Frameworks, REST APIs, Mobile Applications, Mobile App Development, REST, API Integration, RealmSwift, App Store, Mobile, Apps, Model View Viewmodel (MVVM), Figma, iOS Video, iOS Native Libraries
Senior iOS Developer
2015 - 2017
BestWallet
- Built a white-label mobile banking iOS application. Integrated into 12 banks and financial structures.
- Led as a technical leader of the integration processes with end banks.
- Wrote and maintained system and application documentation for both the user and developer end.
Technologies: iOS, Objective-C, Swift, APIs, UIKit, GitHub, Git, Mobile Apps, iOS SDK, CocoaPods, JSON, Mobile Development, Core Data, Xcode, Mobile Applications, Mobile App Development, REST, Auth, API Integration, Mobile, Apps
Senior Mobile Developer
2013 - 2015
Dacadoo
- Developed a Blackberry application of the company's sport-tracker service.
- Worked as the lead team member of an iOS team. Made low-power Bluetooth integrations with devices and monitors.
- Led and completed an integration process with third-party services based on RESTful APIs.
Technologies: iOS, Objective-C, Java, BlackBerry, APIs, SQL, UIKit, GitHub, Git, Mobile Apps, Firebase, iOS SDK, Mobile GPS, CocoaPods, JSON, Bluetooth, Mobile Development, Xcode, PHP, Mobile Applications, Mobile App Development, REST, API Integration, Mobile, Apps, Model View Viewmodel (MVVM)
Senior J2ME and Blackberry Developer
2009 - 2013
MusicQubed
- Developed a music streaming application for J2ME mobile devices.
- Developed a music streaming application for Blackberry mobile devices. Built a custom sound equalizer system.
- Worked with media streams, in-app audio, news processing, and music chart building.
Technologies: J2ME, Java, APIs, Git, Mobile Apps, JSON, Mobile Development, Xcode, Mobile Applications, Mobile App Development, Mobile, Apps
Software Developer
2006 - 2009
JSC CB Hypobank
- Developed mobile-banking applications for Windows mobile and Java embedded devices.
- Built the client-side application of a bank remote service point (self-service ATM) based on ASP.NET tech.
- Collaborated with a team that built Ukraine's first bank business process automation system.
Technologies: C++, J2ME, ASP.NET, Borland C, SQL, Mobile Apps, XML, Mobile Development, PHP, Apps
Experience
Fitness Application for the "Nowafit" Project
Developed Android and iOS fitness applications that help users to be fit and healthy. The application creates a unique HIIT training daily and leads the user, showing how to do specific exercises in real time.
Skills
Languages
Swift, Objective-C, PHP, SQL, XML, JavaScript, C++, Java, Python
Frameworks
UIKit, iOS SDK, Core Data, iOS Frameworks, SwiftUI, Yii 2, Vapor, RealmSwift, ASP.NET, Android SDK
Libraries/APIs
CocoaPods, REST APIs, Auth, iOS Native Libraries, Shopify API, Core Animation, Camera API, RxSwift, AudioKit
Tools
Xcode, GitHub, Git, iTunes Connect, Figma, Borland C, TestFlight
Paradigms
Mobile Development, REST, Model View Viewmodel (MVVM)
Platforms
iOS, J2ME, Mobile, BlackBerry, Firebase, WatchOS
Storage
JSON, MySQL, CouchDB, Couchbase
Other
APIs, Mobile Apps, Mobile GPS, Apple Pay, iPad, Mobile Applications, Mobile App Development, API Integration, App Store, Apps, Bluetooth, Async/Await, iOS Video