Atif Yaqoob

Senior iOS Engineer with 9+ years of experience designing, building, and scaling production mobile applications using Swift, SwiftUI, UIKit, and Objective-C. Strong background in modern iOS architecture including MVVM, MVP, VIPER, Clean Architecture, SOLID principles, dependency injection, and testable design. Proven track record of improving app performance, reliability, release efficiency, and cross-functional delivery for fintech, AI-powered, and IoT products serving large user bases.

Experienced in CI/CD, automated testing, App Store release management, analytics, observability, Agile delivery, and mentoring engineers in product-driven environments. Familiar with iOS security, accessibility, stakeholder communication, and shipping reliable user experiences in frequently updated production apps.

Senior Software Engineer at Turing (2025-10 – Present)

• Developed production-grade iOS features using Swift, SwiftUI, UIKit, MVVM, Clean Architecture, and modular design principles.
• Designed and optimized networking layers, reactive state management, dependency injection flows, and UI performance across complex iOS application experiences.
• Contributed to evaluation and validation pipelines focused on improving Swift, SwiftUI, and algorithmic code quality in terminal-based benchmark environments.
• Built and maintained reusable iOS modules and SDK-style components using Swift, Objective-C, Swift Package Manager, and clean API design principles.
• Collaborated across engineering workflows that connected mobile development practices, architecture quality, and tooling efficiency.
• Used AI-powered development and code evaluation tools to review Swift, SwiftUI, Python/Django, and algorithmic code quality, improving debugging, validation, and productivity in engineering workflows.

Senior Software Engineer (iOS Lead) at Systems Ltd (2022-05 – 2025-09)

• Led iOS feature development for MyCash and MonCash, digital wallet applications serving Caribbean and Middle Eastern markets.
• Built and maintained scalable iOS features using Swift, SwiftUI, UIKit, modular architecture, dependency injection, and clean coding practices.
• Integrated APNs, Firebase Cloud Messaging, deep links, RESTful APIs, and backend services to support reliable mobile communication and user engagement flows.
• Architected and optimized a scalable networking layer and collaborated on API contracts, reducing app load times by 30%.
• Delivered mobile experiences supporting 500,000+ users and $5M+ annual transactions across a distributed agent network.
• Improved production reliability through Firebase Crashlytics, analytics, observability, API validation, and stronger monitoring workflows.
• Helped maintain a 99.9% crash-free rate and improved issue resolution through stronger release, debugging, and quality practices.
• Applied XCTest, snapshot testing, and testable architecture practices to increase confidence in feature delivery and regression coverage.
• Used Instruments, Time Profiler, Allocations, and Leaks to identify performance bottlenecks, memory issues, and UI responsiveness problems in production iOS applications.
• Mentored 10+ engineers, improving delivery efficiency by 40% through code reviews, technical guidance, and stronger team collaboration.
• Led sprint planning and cross-functional delivery with product, design, QA, and platform teams in Agile/Kanban environments to ship reliable, user-focused iOS releases.
• Integrated map and geolocation-based iOS workflows using CoreLocation, Google Maps SDK, and MapKit, including location permissions, reverse geocoding, custom markers, map pin selection, route-aware user flows, and location-driven form submissions.

Senior Software Engineer at Tkxel (2020-01 – 2022-04)

• Served as lead architect on Dents.co, an AI-powered iOS application for vehicle dent detection.
• Built a CoreML and YOLO V3 object detection pipeline with iOS LiDAR for 3D depth mapping of vehicle dents.
• Designed modular iOS architecture using Swift, UIKit, SwiftUI, dependency injection, and clean architecture principles.
• Implemented CI/CD pipelines with Fastlane and Jenkins, reducing development time by 20%, deployment time by 50%, and increasing deployment frequency by 35%.
• Improved app quality through XCTest, snapshot testing, code reviews, and performance profiling with Instruments.
• Partnered with enterprise stakeholders in 8+ discovery workshops, translating product requirements into scalable technical solutions.
• Contributed to React Native based mobile workflows by supporting shared REST API integrations, reusable business logic, cross-platform debugging, and iOS-native compatibility across hybrid mobile features.
• Delivered and maintained App Store-deployed iOS applications with a focus on performance, scalability, crash-free reliability, and frequent production releases.

Senior iOS Developer at Solutiondots Systems (2019-07 – 2020-01)

• Developed BrightLife, a smart property management iOS application for Saudi Telecom Company employees in KSA.
• Built Swift and UIKit-based features for smart gateway integrations, remote property control, and sensor-driven workflows.
• Implemented real-time incident alerting to improve responsiveness in property management use cases.
• Worked with IoT integrations including infrared sensors, motion monitoring, and temperature monitoring.
• Collaborated with product and engineering teams to deliver reliable iOS features and production-ready releases.

iOS Developer at Ozi Technology (2018-10 – 2019-07)

• Created Dog Book: Breed Identifier, a CoreML-powered iOS app using Inception V3 for real-time dog breed recognition from images.
• Integrated Firebase backend services to support social content sharing within the application.
• Increased user engagement by 60% within 2 months of App Store launch by evolving the product into a social platform.

iOS Developer at Concypt (2017-02 – 2018-09)

• Contributed to greenfield and legacy iOS applications, improving maintainability and long-term scalability.
• Built iOS features using Swift, UIKit, CoreData, Realm, REST APIs, and clean architecture practices.
• Applied SOLID principles, dependency injection, and testable code patterns to improve feature reliability.
• Collaborated closely with designers, product managers, and engineers to deliver consistent, on-time releases.

Bachelor of Science in Computer Science – COMSATS Institute of Information Technology (2012-09 – 2016-09)