Omid Dolatkia

Senior iOS Engineer @ Avicenna Research

About

Senior iOS Engineer with 8+ years of expertise in Scalable Architecture and Performance Optimization. Proven track record of scaling apps to 1M+ users and driving revenue growth through technical innovation. Expert in bridging the gap between product vision and engineering execution, reducing release cycles by 80% via robust CI/CD and modularization. * Specialized in Clean Architecture, MVVM, and modularization for maintainable codebases * Expert in performance optimization, achieving 99%+ crash-free rates for 150K+ users * Reduced release cycles by 80% through automated CI/CD pipelines (Fastlane, GitLab) * Strong focus on mentorship, code quality, and developer experience Tech Stack: Swift, SwiftUI, UIKit, Combine, Swift Concurrency, Core Data, RxSwift, MVVM, Clean Architecture Tools: Xcode, Fastlane, CI/CD, Git, SPM, CocoaPods, SonarQube

Country

City

Türkiye

Industry

Computer Software

Skill

Swift (Programming Language), Objective-C, SwiftUI, Model-view-viewmodel (MVVM), iOS Development, Mobile Application Development, Kotlin, Django, Python (Programming Language), UI/UX, User Experience (UX), Auto Layout, Unit Testing, Xcode, Firebase, Cocoa Touch, Fastlane, Continuous Integration and Continuous Delivery (CI/CD), Model-View-Controller (MVC), RxSwift

Experience

Senior iOS Engineer

Avicenna Research

2022-10 - Present · 4 yrs

- Optimized app performance for 150,000+ active users, improving crash-free rate from 72% to 99.1% through memory management and leak resolution using Instruments. - Spearheaded the R&D and launch of Garmin Watch integration, unlocking a new market segment and driving significant revenue growth through health metrics collection. - Technical Lead for a major architectural migration to Clean Architecture with MVVM, Combine and SwiftUI, reducing technical debt and enabling parallel development for a team of 4 engineers. - Architected automated CI/CD pipeline with Fastlane and GitLab, significantly improving Developer Experience (DevEx) and reducing release cycle from 16 hours to 3 hours. - Mentored junior engineers and conducted code reviews, fostering a culture of clean code and reducing technical debt.

iOS Engineer

Taaghche | طاقچه

2021-4 - 2022-10 · 1 yr 7 mos

- Restructured the app into six modular components using dependency injection and MVVM with RxSwift architecture, reducing build time by 40% and eliminating coupling between modules. - Developed encrypted audio player with AVFoundation and Bluetooth support, driving 12% increase in audiobook subscription revenue. - Designed robust download manager using URLSession and Realm, handling concurrent downloads, network conditions, and automatic error recovery with resume capability and streaming for audiobooks.

iOS App Developer

Taaghche | طاقچه

2017-7 - 2021-4 · 3 yrs 10 mos

- Pioneered the first fully-featured Persian EPUB Reader on App Store using Swift, scaling it to 1,000,000+ MAU and solving complex text rendering challenges. - Refactored and migrated legacy Objective-C codebase to Swift (65%), resulting in improved development velocity and reduced bug reports by 40%. -Collaborated with design team to execute app rebranding, driving 20% increase in user engagement and 10% revenue growth.