Andrew 👨🏻‍💻 Sergeev Email & Phone Number

Saint Petersburg, Ru

Moscow, Russia

I am developing an application for renting powerbanks. I deal with product features and technical debt. I promote solutions and approaches that reduce the release of a feature without compromising its quality. I am improving the tools used by the team - linters, CI/CD, code generation.Stack: iOS, Swift, UIKit, Storyboards, SwiftUI, MVP + C, fastlane, Jenkins, Tuist, XCTest, RxSwift, Lokalise, AppleMaps, YandexMaps, Keychain, Apple Pay

Yerevan, Armenia

Outsourcing company with the development of its own products. Project areas: retail, internal SDKs, financial sector. Together with the team, I developed an application for ordering and delivering products from one foreign store. I worked on stability, persistence and the network layer. Completely rewrote the interaction with Realm and made the code thread safe. At Crashlytics, the number of database incidents has decreased from 325 per day to 2-3 per month. The range of stability work also increased crash-free to 98% against the original 83%.Stack: iOS, Swift, Obj-C, UIKit, SwiftUI, SnapKit, Storyboards, Realm, XCTest, Tuist, Natural Language, Speech, RxSwift, Starscream, MVP + C, MVVM + C, VIPER, Redux

Saint-Petersburg, Russia

Together with my team, I developed an MVP application for telemedicine. There were two versions: for patients and for doctors. I spent most of my time developing the design system and core components for the UI. The flexibility of the components I built in allowed me to complete the project 2 months ahead of schedule.Stack: Flutter, Dart, L10n, modelGenerator, Swift, MVVM

Saint-Petersburg, Russia

Outsourcing company. I developed many projects from different areas: inventory, logistics, retail. The latest project is an application for a large concert hall in Moscow. I worked on the stability of the application and the addition of Apple Pay, the crash-free results were 99%, and the conversion from selecting an event to a subsequent purchase increased by 27%.Stack: iOS, Swift, MVP + C, SnapKit, UIKit, Keychain, Apple Pay, Alamofire, SwiftSoup

Saint-Petersburg, Russia

Together with the team, I developed and supported an application for applicants for iOS. The application helped applicants navigate the campus, find information on application deadlines and the list of documents. The service reduced the load on the hotline by 35%.Stack: iOS, Swift, MVP, UserDefaults, GoogleMaps, Alamofire, UIKit, Storyboards, XCTest