Abu Bakr Jabbarov

Senior

Registration: 03.12.2024

Specialization: iOS Engineer

— Experienced Senior iOS Engineer with over six years of expertise in building and optimizing robust mobile solutions for apps used by millions of users. — Focused on streamlining infrastructure and automating critical processes, enhancing test efficiency, and reducing costs. — Led iOS development for global diagnostic applications, improving code quality and delivery pipelines. — Contributed to fintech advancements by driving user-centric features and boosting app performance. — Skilled in Swift, Objective-C, and modern development tools, I bring a proactive, solution-focused approach to every project.

iOS Swift CoreData Mobile Application Development Flutter Alamofire SQLite Ruby UIKit Git MVC Objective-C CI/CD methodologies fastlane RxSwift

Portfolio

Slice Register

● Key contributor to the development of core features and maintenance of infrastructure at Slice (US based food tech company), ensuring high-quality user experience and streamlined engineering processes.

FIdo-Biznes

Enhanced and managed mobile applications for diverse fintech organizations and banks. ● Resolved critical user interface glitches on an existing mobile banking applications, resulting in a remarkable boost in AppStore ratings (from 2.0 to 4.5). ● Divided complex storyboards into modular and reusable components. ● Led transition from MVC to MVVM-C architecture, improving code maintainability and scalability.

Payme

A member of a team responsible for delivery of business features, from gathering requirements, designing solutions to implementing & testing outcomes for the most popular fintech application in Uzbekistan. My achievements in the team: ● Implemented user onboarding flow that guides users through the application using fully customized components. ● Developed ‘Payments recommendation’ feature, that reduced the number of required taps to make a transaction. ● Executed the seamless integration of the 'MIB' service, allowing users to check debts from the Government.

Skills

Swift

Objective-C

GCD/Operation

RxSwift

RxCocoa

Combine

CoreData

CocoaPods

SPM

MVC / MVVM

Clean

Resolver

Factory

Unit Testing

Quick

Nimble

Git

GitHub Actions

Fastlane

CircleCI

Rest API

Alamofire

SQLite

Ruby

CI/CD

Work experience

Senior iOS Engineer

01.2022 - 02.2025 |Vention

Swift, Objective-C, UIKit, MVVM, Combine, Core Data, Resolver, XCTest, Fastlane, Ruby, CI/CD

Key contributor to the development of core features and maintenance of infrastructure at Slice (US-based food tech company), ensuring high-quality user experience and streamlined engineering processes. ● Automated release management and other day-to-day processes using Ruby, fastlane and GitHub actions, enabling the team to focus on high-value tasks and significantly reducing time spent on manual and repetitive chores. ● Reduced UI test execution time by 50% through grouping tests and avoiding full app reinstallation on each case. ● Added monitoring for critical areas in the project (database migrations, data manipulations, crashes etc). ● Contributed to the development of key features such as third-party order integrations, notification center, and what's new stories with full unit test coverage, providing safety for future changes and confidence for refactoring. ● Documented best practices & other "How To do X" guides to get consistency and knowledge transfer within the team.

Lead iOS Engineer

02.2021 - 01.2022 |Chowis CO

Swift, UIKit, MVVM, MVP, RxSwift, Core Data, DI, XCTest, SPM, Fastlane, CI/CD

Led development of Skin and Hair analysis applications for global cosmetic and medical groups, as well as hospitals and clinics who are seeking for cutting-edge skin and hair diagnostic solutions. ● Led technical architecture, coding standards, and other team policies. ● Enhanced code review process within the team, resulting in faster review cycle and increased code quality. ● Built reusable and unit tested packages for networking, authentication, customer management and analysis. ● Automated the process of delivering QA/Production builds with MS-Teams and GitHub integrations. ● Automated the process of downloading translations from a remote service, resulting in huge time savings.

Middle iOS Engineer

03.2021 - 12.2021 |Payme

iOS, MVC, MVVM-C

iOS Engineer

06.2019 - 03.2021 |FIdo-Biznes

Swift, Objective-C, MVC, MVVM-C, SQLite, RxSwift, Git, Alamofire

Educational background

Computer Science and Engineering (Bachelor’s Degree)

2016 - 2020

INHA University in Tashkent

Languages

EnglishAdvancedRussianUpper IntermediateTurkishUpper IntermediateUzbekNative