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I'm a Senior iOS Engineer with 8+ years of experience building large-scale, production-grade iOS applications using Swift, SwiftUI, UIKit, and the iOS SDK. I specialize in high-traffic mobile apps, real-time features, push notification systems, and secure messaging solutions, collaborating with backend teams and DevOps to ensure performance, security, and reliability. I have hands-on experience integrating REST and GraphQL APIs, WebSocket-based real-time data synchronization, and performance optimization. I thrive in regulated environments like banking where security and compliance matter, and I enjoy delivering maintainable mobile architectures while mentoring teammates.…I'm a Senior iOS Engineer with 8+ years of experience building large-scale, production-grade iOS applications using Swift, SwiftUI, UIKit, and the iOS SDK. I specialize in high-traffic mobile apps, real-time features, push notification systems, and secure messaging solutions, collaborating with backend teams and DevOps to ensure performance, security, and reliability. I have hands-on experience integrating REST and GraphQL APIs, WebSocket-based real-time data synchronization, and performance optimization. I thrive in regulated environments like banking where security and compliance matter, and I enjoy delivering maintainable mobile architectures while mentoring teammates.

Kemal Buyukterzi

App Developer, Programmer, Developer, +2

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I'm a Senior iOS Engineer with 8+ years of experience building large-scale, production-grade iOS applications using Swift, SwiftUI, UIKit, and the iOS SDK. I specialize in high-traffic mobile apps, real-time features, push notification systems, and secure messaging solutions, collaborating with backend teams and DevOps to ensure performance, security, and reliability. I have hands-on experience integrating REST and GraphQL APIs, WebSocket-based real-time data synchronization, and performance optimization. I thrive in regulated environments like banking where security and compliance matter, and I enjoy delivering maintainable mobile architectures while mentoring teammates.…I'm a Senior iOS Engineer with 8+ years of experience building large-scale, production-grade iOS applications using Swift, SwiftUI, UIKit, and the iOS SDK. I specialize in high-traffic mobile apps, real-time features, push notification systems, and secure messaging solutions, collaborating with backend teams and DevOps to ensure performance, security, and reliability. I have hands-on experience integrating REST and GraphQL APIs, WebSocket-based real-time data synchronization, and performance optimization. I thrive in regulated environments like banking where security and compliance matter, and I enjoy delivering maintainable mobile architectures while mentoring teammates.

Available to hire

I’m a Senior iOS Engineer with 8+ years of experience building large-scale, production-grade iOS applications using Swift, SwiftUI, UIKit, and the iOS SDK. I specialize in high-traffic mobile apps, real-time features, push notification systems, and secure messaging solutions, collaborating with backend teams and DevOps to ensure performance, security, and reliability.

I have hands-on experience integrating REST and GraphQL APIs, WebSocket-based real-time data synchronization, and performance optimization. I thrive in regulated environments like banking where security and compliance matter, and I enjoy delivering maintainable mobile architectures while mentoring teammates.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Turkish

Fluent

English

Advanced

Work Experience

Senior IOS Engineer at Ziraat Teknoloji

February 1, 2024 - Present

Developed innovative push notification solutions with custom views and server-driven types; maintained large-scale iOS apps serving 15+ million users; implemented new features with performance optimization; collaborated with cross-functional teams; improved security in banking/compliance contexts; refined UX and stability.

Senior IOS Engineer at Piple Inc.

January 1, 2023 - February 1, 2024

Led iOS live video and voice features using Agora WebRTC; implemented real-time content moderation for safety and App Store compliance; built real-time messaging with GraphQL; implemented in-app gift system and in-app purchases for marketplace users.

Senior IOS Engineer at Fantastocker Inc.

November 1, 2020 - November 1, 2022

Led iOS development for a gamified stock/cryptocurrency trading app using VIPER; implemented real-time market data synchronization with WebSocket; created virtual transaction processing and engaging gamification.

Senior IOS Engineer at Presidency Of Defence Industries Agency

October 1, 2019 - November 1, 2020

Developed enterprise-grade secure instant messaging based on Signal Protocol; collaborated on backend services, Dockerized deployments, and object storage integrations; maintained corporate mobile apps with React Native; developed satellite-connected internal time server for secure communications; performed security analysis.

Senior IOS Engineer at PTT Information Technologies

May 1, 2018 - October 1, 2019

Led customization and deployment of Signal-based enterprise secure messaging; implemented end-to-end encryption using Signal Protocol with LibSignalClient; configured encrypted databases; customized SignalRingRTC for enterprise voice/video calling; managed iOS App Store deployment and corporate distribution; supported server-side Signal infrastructure.

IOS Engineer at ICterra Information and Comm. Tech.

April 1, 2016 - November 1, 2017

Developed military and enterprise communication system projects; built automated unit and UI testing pipelines; developed licensing module; designed web interfaces for defense-sector server-side apps using .NET and Angular.