Ivan Savin Email & Phone Number

St Petersburg, St Petersburg City, Russia

◦ Worked on a native web-browser app using WebKit, UIKit, Swift and Clean Architecture;◦ Was responsible for developing and maintaining functionality for integrating web interfaces within a native environment, enabling customers to use web applications of banks and other services with native features such as registration, Face ID/Touch ID authentication, access to contacts, and chat support;◦ Developed iOS widgets using SwiftUI to provide customers with easy access to bookmarks and built-in services;◦ Integrated APIs using a network layer based on URLSession, used CoreData framework for saving config files with settings for the app;◦ Wrote unit tests using XCTest, fixed bugs, and redesigned the application.

St Petersburg, St Petersburg City, Russia

◦ Worked on the largest fintech project in Russia, serving a user base of 9.5 million;◦ Developed functionality using Swift, UIKit, and Clean Architecture to enhance the user experience for paying taxes, fines, bills, payments, and services;◦ Assisted in the development of internal frameworks for team needs, including network layer with URLSession, Core Data layer, and a design system with UIKit and AutoLayout;◦ Conducted code reviews, wrote unit tests, and debugged in collaboration with the QA team.

St Petersburg, St Petersburg City, Russia

◦ Worked on the largest fintech project in Russia, serving a user base of 9.5 million;◦ Developed functionality using Swift, UIKit, and Clean Architecture to enhance the user experience for paying taxes, fines, bills, payments, and services;◦ Assisted in the development of internal frameworks for team needs, including network layer with URLSession, Core Data layer, and a design system with UIKit and AutoLayout;◦ Conducted code reviews, wrote unit tests, and debugged in collaboration with the QA team.

St Petersburg, St Petersburg City, Russia

◦ Worked on a fishing app with social networking features for the U.S. market, achieving a solid 4.3 rating on the App Store;◦ Was responsible for migrating the codebase from Objective-C to Swift and replacing Storyboards with programmatic AutoLayout;◦ Developed new features using the VIPER architecture, UIKit for UI layout, Moya for the network layer, and Core Location for map functionality;◦ Integrated in-app purchase functionality using RevenueCat;◦ Wrote unit tests with XCTest, performed bug fixes, and participated in code reviews to maintain code quality.

St Petersburg, St Petersburg City, Russia

◦ Worked on an application for smart device control. Developed new functionality using Objective-C, Storyboards, and Realm for data storage;◦ Responsible for adding modularity to the project, reducing compile time, and simplifying the process of adding support for new devices;◦ Integrated Bluetooth for device connection and control, collaborating closely with the hardware engineering team;◦ Performed bug fixes and ensured code quality through regular reviews.

Omsk, Russia

◦ Worked on various projects as a Junior iOS Developer;◦ Maintained and developed new functionality for an event planning application using Objective-C and BLE beacons. Refactored the codebase for clarity and maintainability, enabling easier addition of new features;◦ Built a storage organizer app from scratch using Swift, Core Data, and URLSession;◦ Maintained video/audio applications for various clients, utilizing Swift, Objective-C, Core Animation and AVFoundation;◦ Conducted code reviews, performed bug fixes, and participated in in-company meetups and events.