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I’m Patrick Moscova, an iOS Architect with 13 years of experience building both high-profile client-facing and enterprise mobile apps. I specialize in Swift and Objective-C, and I’ve led teams, written clear documentation, and steered projects to successful releases. I thrive on solving complex problems, delivering solid architectures, and mentoring junior developers to grow their skills. I’m passionate about clean code, SOLID principles, and user-focused UX. I enjoy collaborating with product, design, and QA to ship features that perform well, scale, and provide a great user experience across devices.…I’m Patrick Moscova, an iOS Architect with 13 years of experience building both high-profile client-facing and enterprise mobile apps. I specialize in Swift and Objective-C, and I’ve led teams, written clear documentation, and steered projects to successful releases. I thrive on solving complex problems, delivering solid architectures, and mentoring junior developers to grow their skills. I’m passionate about clean code, SOLID principles, and user-focused UX. I enjoy collaborating with product, design, and QA to ship features that perform well, scale, and provide a great user experience across devices.

Patrick Moscova

Programmer, Web Developer, Front-End Developer, +2

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I’m Patrick Moscova, an iOS Architect with 13 years of experience building both high-profile client-facing and enterprise mobile apps. I specialize in Swift and Objective-C, and I’ve led teams, written clear documentation, and steered projects to successful releases. I thrive on solving complex problems, delivering solid architectures, and mentoring junior developers to grow their skills. I’m passionate about clean code, SOLID principles, and user-focused UX. I enjoy collaborating with product, design, and QA to ship features that perform well, scale, and provide a great user experience across devices.…I’m Patrick Moscova, an iOS Architect with 13 years of experience building both high-profile client-facing and enterprise mobile apps. I specialize in Swift and Objective-C, and I’ve led teams, written clear documentation, and steered projects to successful releases. I thrive on solving complex problems, delivering solid architectures, and mentoring junior developers to grow their skills. I’m passionate about clean code, SOLID principles, and user-focused UX. I enjoy collaborating with product, design, and QA to ship features that perform well, scale, and provide a great user experience across devices.

Available to hire

I’m Patrick Moscova, an iOS Architect with 13 years of experience building both high-profile client-facing and enterprise mobile apps. I specialize in Swift and Objective-C, and I’ve led teams, written clear documentation, and steered projects to successful releases. I thrive on solving complex problems, delivering solid architectures, and mentoring junior developers to grow their skills.

I’m passionate about clean code, SOLID principles, and user-focused UX. I enjoy collaborating with product, design, and QA to ship features that perform well, scale, and provide a great user experience across devices.

Skills

iOS

Swift

Objective-C

Experience Level

iOS

Expert

Swift

Expert

Objective-C

Expert

Language

English

Fluent

Work Experience

iOS Developer at PayPal

May 1, 2025 - September 25, 2025

Led development across PayPal and Venmo codebases with a code-based UI, implementing MVVM and a custom coordinator framework for fluid view transitions. Authored internal documentation on SOLID principles to support onboarding and architectural consistency. Built screens with a coordinator pattern, added accessibility identifiers for test automation, and wrote unit and UI tests across PayPal and Venmo codebases to ensure quality and UX fidelity.

Tech Lead at Ukay Shipping and Delivery

September 1, 2024 - September 25, 2025

Migrated an in-house database to Microsoft Azure to improve data management, scalability, and security. Optimized backend data retrieval with SQL (Java) and developed Tomcat endpoints to support an enterprise iOS application. Introduced SwiftUI to modernize UI components and improve developer productivity.

iOS Developer at DatChat

September 1, 2023 - September 25, 2025

Transformed a legacy Objective-C project by integrating Swift, significantly improving scalability and future-readiness. Implemented Dark Mode via asset catalog and updated UI to Swift interfacing with UIKit. Optimized build times by splitting the main storyboard with storyboard references and leveraged Crashlytics to identify performance bottlenecks.

iOS Developer at CitiBank (through the SpiGroup)

June 1, 2021 - September 25, 2025

Integrated Google Tag Manager and Firebase for analytics. Published builds to TestFlight, doubling testing efficiency and shortening feedback cycles. Implemented deep linking and push notifications to enhance user journeys. Improved maintenance by using CocoaPods and developing optimized CoreData-based data management. Automated web app tests with Puppeteer to boost testing efficiency.

iOS Developer at Verizon

February 1, 2020 - September 25, 2025

Fixed UI bugs in Objective-C codebase, collaborating with UX, Marketing, and Business Analysts to ensure timely feature delivery. Delivered a proof-of-concept using CoreServices to extend functionality and improved accessibility across view controllers. Worked closely with UX to implement specified UI designs for a cohesive user experience.

iOS Developer at TDAmeritrade

November 1, 2018 - September 25, 2025

Migrated legacy Xamarin codebase to native Swift, created customizable IBDesignables/IBInspectables to enable real-time UI adjustments, and implemented iOS Charts for enhanced data visualization. Recast the app architecture from Xamarin to native Swift to improve performance and maintainability and used RxSwift to better manage state changes.

iOS Developer at Spreo LLC

October 1, 2016 - September 25, 2025

Revitalized an indoor navigation SDK in Swift by fixing bugs and adding features, improving integration versatility. Implemented precise indoor location using iBeacon, Kontakt.io, and CoreBluetooth, and led the transformation of the white-label app into the MyACH Arkansas Children’s Hospital solution with enhanced functionality. Implemented Autolayout on storyboards in Objective-C to ensure consistent layout across devices.

iOS Developer at Allstate Insurance (MobileAppsCompany)

May 1, 2016 - September 25, 2025

Improved app performance with multithreading (PerformSelector, Grand Central Dispatch, NSOperationQueue) in Objective-C. Integrated custom third-party UIViews and leveraged CoreGraphics/drawRect for advanced rendering. Used accelerometer data for adaptive UI and implemented a local notification system to boost engagement and retention.

iOS Developer at Dominos Pizza

October 1, 2015 - September 25, 2025

Led the transition from iOS 6 to iOS 7 in Objective-C, aligning UI with new design standards. Implemented Tealium SDK for analytics and monitored live reporting to ensure accurate data routing. Contributed to the Domino’s universal app and reduced rendering times by 50% in the iPad builder through Backface Culling to boost performance.