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Регистрация: 06.05.2024

Grigory Sosnovskiy

IT
middle
Специализация: iOS Software Engineer

Скиллы

Swift 9/10
Objective-C 7/10
Java
iOS 10/10
UIKit
SwiftUI
XCode
Git
Clean Swift (VIP)
Viper
MVVM+
TCA
MVC+
GCD
XCTest
HealthKit
Firebase
AVFoundation
WebKit
URLSession
TestFlight
REST
Accessibility Inspector
Core Data

Опыт работы

Founding iOS Engineer
с 02.2024 - По настоящий момент |HealthTech
iOS
Havard incubated HealthTech startup. ● Conceptualized, architected, and launched an iOS health app for an MIT IRB-approved study.
iOS Developer
02.2023 - 01.2024 |Impala Studios
MVVM, Combine, SwiftUI, UIKit, Adapty, Firebase, CocoaPods
Enhanced retention rates by implementing animated paywalls, resulting in an 18% increase. ● Ensure up-to-date frameworks and assist with version transitions. ● Boosted company revenue by launching 30+ AB tests, resulting in a 14% increase.
iOS Developer
10.2022 - 01.2023 |MTS Group
CleanSwift(VIP), UIKit, App Group, WebKit, URLSession, XCTests, CocoaPods
● Ensured successful projects delivery in a fast-paced environment by leading a team of 3 developers. ● Integrated the MTS system design SDK to ensure consistent interfaces and a seamless user experience aligned with the ecosystem. ● Established a robust testing and development sandbox environment, facilitating efficient testing and experimentation for the profile SDK and SSO SDK.
iOS Developer
09.2020 - 09.2022 |Innotech Group
CleanSwift(VIP), UIKit, WebKit, XCTests, GCD, CocoaPods, SPM, Objective-C
● Led a team of 6 iOS developers in delivering high-priority features, including debit card emission functionality, to meet urgent business needs. ● Enabled seamless integration and support for UnionPay and MIR payment systems, which led to over 3 million cards being issued. ● Delivered new loyalty program feature using Server-Driven UI which reduced development time by 50%. ● Conducted Root Cause Analysis and resolved critical production related bugs with fast turnaround time. ● Mentored and onboarded new developers to facilitate their integration into the team. ● Collaborated with a cross-functional team of Android and web developers to ensure successful delivery of key application features, utilizing pair programming and coordinating backend changes. ● Assisted in the migration from an obj-c based monolithic architecture to separate Swift Packages with Clean Swift archi- tecture that reduced build time by 46%. ● Migrated features to support microservices, optimizing performance and scalability. ● Implemented Firebase Analytics to multiple features to track user behavior. ● Refactored PIN code change feature by excluding top 20% most frequently used codes. ● Modified card issuance to dynamically display card icons corresponding to client status.

Образование

Computer Science, Software Engineering (Бакалавр)
2017 - 2021
HSE University

Языки

РусскийРоднойАнглийскийПродвинутый