Senior Mobile Lead & Technical Product Owner

iOS Platform Architecture, Flutter Delivery, Product & Roadmap Advisory

  • Shipped 5-star apps, scaled to 1M+ users
  • -40% crash rate within 6 weeks
  • Aligned product & engineering to accelerate time-to-market
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Portrait of Ersin Ergül

Name: Ersin Ergül

Profile: Software Developer

Email: ersinergul89@gmail.com

Skills

  • Swift — 10+ years, multiple enterprise apps
  • Flutter — 3+ years, 5 apps shipped
  • iOS Platform Architecture — modularization, CI/CD, release trains
  • Product & Roadmap Advisory — align product & engineering
  • App Store Compliance — privacy, ATT, review readiness
About

Senior Mobile Lead and Technical Product Owner delivering scalable iOS and Flutter platforms. I help teams ship reliable 5‑star apps, reduce crashes, and move faster with clear roadmaps.

Based in Linz, Austria. Available for senior roles and consulting.

Leadership & Product Ownership

Driving outcomes through clear direction and scalable architecture

Cross-functional leadership with ownership from roadmap to release, enabling fast iteration and measurable results.

  • Led mobile teams across iOS and Flutter; hiring and mentoring engineers
  • Owned architecture decisions; established modular codebases and platform standards
  • Partnered with Product to define roadmaps and prioritize impact
  • Set up CI/CD, release trains, and quality gates for predictable delivery
  • Drove crash reduction and performance KPIs with observability
  • Ensured App Store compliance and privacy requirements

Services

Targeted services for high-quality, compliant mobile delivery

iOS Platform Architecture

Modular architecture, CI/CD, release trains, crash‑free performance.

Flutter / Cross‑Platform

High‑quality Flutter apps for iOS & Android, shared code, native feel.

Product & Team Advisory

Roadmaps, engineering alignment, hiring/mentoring, delivery coaching.

App Store Compliance

Privacy, ATT, review readiness, ongoing policy compliance.

  • CI/CD setup (fastlane, GitHub Actions)
  • Release train setup & processes
  • Crash‑free and performance optimization

26

WORKS COMPLETED

5

YEARS OF EXPERIENCE

4

SOFTWARE LANGUAGE

6

TIME APPSTORE FEATURE

Case Studies

Selected projects with problems solved and outcomes delivered

Delta Ionic Application screenshot

Delta Ionic Application

Problem: Legacy hybrid app with slow release cadence.

What I did: Re-architected modules, improved build pipeline, optimized rendering.

Tools: Ionic, Angular, Capacitor, Fastlane

Outcome: +30% performance, bi-weekly releases, +0.4★ rating
Scan & TranslateML app screenshot

Scan & TranslateML

Problem: OCR quality and crashes during heavy processing.

What I did: Implemented background isolates, memory profiling, ML pipeline tuning.

Tools: Flutter, Tesseract, Firebase Crashlytics

Outcome: -40% crash rate in 6 weeks, +18% conversion
Whats Up Stickers iOS app screenshot

Whats Up Stickers

Problem: Low retention and app review rejections.

What I did: Improved onboarding, store compliance (privacy, in‑app purchases), analytics.

Tools: Swift, StoreKit, App Store Connect, Amplitude

Outcome: +380% DAU post‑redesign, 5★ rating trend
DeadsXstanbul game screenshot

DeadsXstanbul

Unity Development / 18 Sep. 2018
Release Date app screenshot

Release Date

Flutter Mobile Application / 01 Jan. 2020
Satayim Sana project screenshot

Satayim Sana

Satayim Sana / 18 Sep. 2017
Get in Touch

You can reach anytime!

  • Austria, Linz
  • info@ersinergul.com