Senior iOS Developer (Swift & SwiftUI)

RYAN KAYA

Senior iOS Developer

********.***@*****.*** 404-***-**** Atlanta, GA linkedin.com/in/ryankaya07 github.com/Ryankaya PROFESSIONAL SUMMARY

Senior iOS Developer with 7+ years of experience designing, building, and shipping high-quality production applications using Swift, SwiftUI, and UIKit. Deep expertise in iOS SDK, MVVM architecture, Core Data, REST API integration, and CI/CD automation. Track record of delivering scalable, maintainable codebases for enterprise clients with 500+ daily active users. Experienced across the full mobile stack including React Native and React.js, with a strong focus on performance and clean architecture. TECHNICAL SKILLS

iOS Development: Swift, SwiftUI, UIKit, iOS SDK, Xcode, Core Data, SwiftData, Combine, async/await, MVVM, Swift Package Manager, Fastlane, Keychain, User Defaults

Cross-Platform Mobile: React Native, Cordova, Adobe Experience Manager (AEM) Web Development: React.js, Redux, Express.js, Node.js, Flask APIs & Data: REST APIs, GraphQL, JSON, XML, PostgreSQL, MongoDB, MySQL, AWS DynamoDB CI/CD & DevOps: Jenkins, Travis CI, Fastlane, AWS EC2, S3, AWS Amplify, command line scripting Testing: XCTest, XCUITest, Espresso, Jest, Jasmine Collaboration: Git, GitHub, Bitbucket, Jira, Agile/Scrum PROFESSIONAL EXPERIENCE

Senior iOS Developer December 2021 - January 2026

Infosys Remote

• Engineered and maintained 15+ enterprise iOS applications using Swift, SwiftUI, UIKit, and iOS SDK for BNSF Railway's mobile platform.

• Built 4 iOS applications from scratch with real-time data synchronization, user authentication, and dynamic UI components supporting 500+ daily active field users.

• Designed MVVM architecture with Core Data offline persistence, reducing app crash rates by 30% and improving stability and performance.

• Integrated REST APIs (JSON/XML) for seamless communication with enterprise backend services.

• Migrated legacy UIKit components to SwiftUI, modernizing the UI layer and reducing codebase size by ~40%.

• Secured authentication tokens and session data using Keychain and User Defaults.

• Maintained cross-platform features using React Native and Cordova alongside native iOS development.

• Built CI/CD pipelines with Jenkins and Fastlane, reducing release cycle time by 25%.

• Conducted code reviews and mentored junior developers on coding standards and best practices.

• Delivered SwiftUI migration and enhanced real-time data visualization for Analog Devices; integrated React.js and Redux for cross-platform layers.

iOS Developer September 2019 - August 2021

Uvox Alpharetta, GA

• Developed and maintained production iOS applications using Xcode, Swift, and SwiftUI following MVVM architecture patterns.

• Designed, documented, and published RESTful APIs consumed by iOS and React.js frontends.

• Collaborated with cross-functional teams to build React.js frontend components for consistent UX across web and mobile.

• Automated AWS-based CI/CD deployment pipelines, improving release efficiency by 35%.

• Built scalable, modular codebases enabling rapid feature iteration with minimal technical debt. Full-Stack Developer July 2018 - August 2019

Fulton Science Academy Alpharetta, GA

• Maintained and improved technology infrastructure supporting 700+ students and 80 staff members.

• Developed internal web tools using React.js and Flask to streamline administrative workflows.

• Designed and implemented educational software solutions on AWS and Google Cloud platforms.

• Created Python-based algorithms for robotics competition teams, improving competition performance. EDUCATION

Bachelor of Science, Computer Engineering

Bogazici University 2017

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