Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m Melisa Ozturk, an iOS engineer with over five years of experience building and scaling mobile applications across e-commerce, fintech, and tourism. I enjoy working end-to-end—from architecture and UX to shipping polished features—using Swift, UIKit/SwiftUI, and modern testing and modular patterns. I’ve contributed to high-traffic products at scale (including multi-country e-commerce and fashion apps), implemented user-facing innovations like Live Activities, and collaborated closely with product, design, backend, and QA teams in Agile environments. I’m also expanding my skills into AI engineering and AI-powered mobile applications, and I love learning new technologies through practical, hands-on work.…I’m Melisa Ozturk, an iOS engineer with over five years of experience building and scaling mobile applications across e-commerce, fintech, and tourism. I enjoy working end-to-end—from architecture and UX to shipping polished features—using Swift, UIKit/SwiftUI, and modern testing and modular patterns. I’ve contributed to high-traffic products at scale (including multi-country e-commerce and fashion apps), implemented user-facing innovations like Live Activities, and collaborated closely with product, design, backend, and QA teams in Agile environments. I’m also expanding my skills into AI engineering and AI-powered mobile applications, and I love learning new technologies through practical, hands-on work.

MELISA OZTURK

App Developer, Software Engineer, Programmer, +1





I’m Melisa Ozturk, an iOS engineer with over five years of experience building and scaling mobile applications across e-commerce, fintech, and tourism. I enjoy working end-to-end—from architecture and UX to shipping polished features—using Swift, UIKit/SwiftUI, and modern testing and modular patterns. I’ve contributed to high-traffic products at scale (including multi-country e-commerce and fashion apps), implemented user-facing innovations like Live Activities, and collaborated closely with product, design, backend, and QA teams in Agile environments. I’m also expanding my skills into AI engineering and AI-powered mobile applications, and I love learning new technologies through practical, hands-on work.…I’m Melisa Ozturk, an iOS engineer with over five years of experience building and scaling mobile applications across e-commerce, fintech, and tourism. I enjoy working end-to-end—from architecture and UX to shipping polished features—using Swift, UIKit/SwiftUI, and modern testing and modular patterns. I’ve contributed to high-traffic products at scale (including multi-country e-commerce and fashion apps), implemented user-facing innovations like Live Activities, and collaborated closely with product, design, backend, and QA teams in Agile environments. I’m also expanding my skills into AI engineering and AI-powered mobile applications, and I love learning new technologies through practical, hands-on work.

Available to hire

I’m Melisa Ozturk, an iOS engineer with over five years of experience building and scaling mobile applications across e-commerce, fintech, and tourism. I enjoy working end-to-end—from architecture and UX to shipping polished features—using Swift, UIKit/SwiftUI, and modern testing and modular patterns.

I’ve contributed to high-traffic products at scale (including multi-country e-commerce and fashion apps), implemented user-facing innovations like Live Activities, and collaborated closely with product, design, backend, and QA teams in Agile environments. I’m also expanding my skills into AI engineering and AI-powered mobile applications, and I love learning new technologies through practical, hands-on work.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Beginner

Language

Turkish

Fluent

English

Advanced

Korean

Beginner

Work Experience

Founder at Nomadian Labs

December 1, 2025 - Present

Founded and lead a startup specializing in identifying real-world problems and developing practical digital solutions through human-centered design and behavioral data analysis.

iOS Engineer at Trendyol (Alibaba Group)

July 1, 2022 - May 1, 2025

Developed and maintained the Trendyol iOS e-commerce app supporting 35M+ total users across multiple countries with multi-currency, multi-language, and diverse payment options. Contributed to Milla (fashion) iOS with 1.5M+ daily active users in Türkiye. Built customer-facing features with Swift, UIKit, and SwiftUI, contributing to a scalable modular architecture using Tuist. Implemented Live Activities for real-time sale notifications on the iPhone Lock Screen. Integrated Google reCAPTCHA v2 in login/registration flows to reduce fraudulent attempts. Collaborated cross-functionally using Agile practices, improved stability/performance, and participated in code reviews. Contributed to a backend-for-frontend layer using Go.

Associate Developer at Trendyol (Alibaba Group)

July 1, 2022 - May 1, 2025

Contributed to large scale e-commerce platforms serving more than 35 million total users, with over 20 million daily active users and three million overseas daily active users across Turkey, Europe, and Middle East markets. Developed features for multi-region iOS applications with multi-currency and multi-language support. Implemented Live Activities and Google reCAPTCHA v2 integration. Contributed to backend-for-frontend (BFF) layer development using Go.

iOS Developer (Freelance) at GTS Global Travel Services

January 1, 2022 - Present

Developed a tourism-based iOS application from scratch as the sole mobile developer, implementing full architecture and core flows including flight search, listing, and checkout.

Mobile Application Engineer at Paraşüt

January 1, 2021 - July 1, 2022

Developed and maintained accounting and financial management features for mobile apps used by thousands of small and medium-sized businesses. Built reusable UI components and business logic using Flutter and Swift while improving performance and maintainability. Practiced test-driven development with unit and integration testing.

Mobile Application Developer at Paraşüt Software

January 1, 2021 - July 1, 2022

Developed and maintained accounting-focused mobile applications in test-driven development environments. Built features for iOS applications using Swift and cross-platform solutions using Flutter. Practiced TDD with comprehensive unit and integration testing.

iOS Engineer at Etstur

August 1, 2019 - January 1, 2021

Developed and maintained features for a tourism iOS app supporting hotel booking and travel services for 54,000+ combined daily active users. Implemented UI components and integrated backend services for listing, reservation, checkout, and payment flows. Worked across multiple projects including Ucuzabilet and Odamax, plus in-house Hotel Account Management.

Software Development Specialist Assistant at Etstur Software

August 1, 2019 - January 1, 2021

Built and maintained tourism-focused iOS applications with booking and payment flows.

Junior iOS Engineer at Bumin Software

November 1, 2018 - March 1, 2019

Developed digital wallet applications focused on secure financial transactions.

Junior iOS Developer at Bumin Software

November 1, 2018 - March 1, 2019

Developed digital wallet applications with focus on secure financial transactions (Jeton Wallet, ParaApp).

iOS Engineering Intern at Oktilyon Internet Services

March 1, 2018 - June 1, 2018

Developed an iOS application based on an existing web platform and gained experience integrating APIs.

Software Engineer Intern at Oktilyon Internet Services

March 1, 2018 - June 1, 2018

Developed an iOS application based on an existing web platform. Gained foundation in iOS development and API integration.

Software Engineering Intern at Celal Bayar University

July 1, 2017 - August 1, 2017

Explored the Processing programming language through prototype development and gained an understanding of creative coding and visual programming concepts.