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Senior
Registration: 03.12.2024

Abu-Bakr Jabbarov

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: ● 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.uz

A member of a team responsible for delivery of business features, from gathering requirements, designing solutions to implementing and testing outcomes. My achievements in the team are as following: ● Developed ‘Payments recommendation’ feature, allowing users to make faster transactions. ● Implemented user onboarding feature, guiding new users through the application and providing informative tooltips to introduce them with the various existing features. ● 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 |Slice
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.
CRM, QA, MS-Teams, GitHub
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, CRM, analysis and indexation. ● 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. ● Assisted with interviewing candidates and attracting new talent to the organization.
iOS Engineer
03.2021 - 12.2021 |Payme.uz
iOS, MVC, MVVM-C
A member of a team responsible for delivery of business features, from gathering requirements, designing solutions to implementing and testing outcomes. My achievements in the team are as following: ● Developed ‘Payments recommendation’ feature, allowing users to make faster transactions. ● Implemented user onboarding feature, guiding new users through the application and providing informative tooltips to introduce them with the various existing features. ● Executed the seamless integration of the 'MIB' service, allowing users to check debts from the Government.
Android / iOS Engineer
06.2019 - 03.2021 |FIdo-Biznes
MVC, MVVM-C, Android, iOS
Enhanced and managed mobile applications for diverse fintech organizations: ● 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.

Educational background

Computer Science (Bachelor’s Degree)
2016 - 2020
INHA University in Tashkent

Languages

EnglishAdvancedRussianUpper IntermediateTurkishUpper IntermediateUzbekNative