Ulaş Sancak
Mobile Team Lead at OBSS
Istanbul, Istanbul, Turkey
Summary
👤
Senior🎓
Top SchoolUlaş Sancak is a Mobile Team Lead and seasoned iOS engineer with 14 years of experience building high‑performance fintech, sports and payments apps used by millions. He leads cross‑functional teams and architects modular SDKs in Swift using Swift Concurrency, Combine and protocol‑oriented design, while also contributing on Android with Kotlin and Jetpack Compose. His work spans large banking and crypto projects—shipping KYC and real‑time FAST payments—and he’s improved performance and reliability in high‑traffic systems through careful concurrency and testing practices. A pragmatic mentor and CI/CD advocate, he codifies review processes, Fastlane pipelines and automated testing to cut regressions and accelerate delivery. He also leverages AI coding assistants like Claude Code, OpenAI Codex and Cursor to speed prototyping, refactoring and code review preparation—boosting team throughput in subtle but measurable ways.
12 years of coding experience
10 years of employment as a software developer
Bachelor's Degree, Electronics and Communications Engineering, Bachelor's Degree, Electronics and Communications Engineering at Yıldız Teknik ÜniversitesiHigh School, Science, High School, Science at Rize Science High School
English, Turkish
Stackoverflow
907reputation
38kreached
31answers
8questions
Github Skills (198)
uipageviewcontroller10
codeless10
storekit10
backend10
swiftui10
sdwebimage10
youtube10
keyboard10
sliding10
swift10
cli10
youtube-dl10
ffmpeg10
image-processor10
macos10
Programming languages (12)
Github contributions (5)
rocxteady/Resting
Oct 2023 - Oct 2024
A REST client for Swift
Contributions:8 releases, 15 PRs, 50 pushes in 1 year
rocxteady/purchases-ios-spm
Jul 2024 - Mar 2025
This mirror of RevenueCat's iOS SDK is optimized for integrating via SPM.
Contributions:20 pushes, 4 branches in 8 months
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