Yasin Arslan

Engineering Team Lead at Trendyol Group

Ankara, Türkiye

About

Experience

  • Trendyol Group (5 yrs 6 mos)
    • Engineering Team Lead
      Feb 2026 - Present · 6 mos

    • Senior Android Developer
      Jul 2023 - Feb 2026 · 2 yrs 8 mos

      • Owned and delivered large-scale Android features and backend-for-frontend (BFF) components in a high-traffic, multi-market e-commerce environment. • Led mobile international expansion through advanced localization, including language, currency, and region-specific user flows. • Conducted regular one-to-one mentoring sessions through code reviews and technical guidance, contributing to team growth and engineering standards.

    • Android Developer
      Feb 2021 - Jun 2023 · 2 yrs 5 mos

      • Developed and maintained production Android features for Trendyol’s mobile application (+100M downloads). • Built scalable Android solutions supporting the platform’s early international growth using Kotlin, Coroutines, Hilt, Jetpack Compose, and Clean Architecture. • Contributed to code quality, testing (Unit/UI), and cross-team delivery.

  • Android Developer at Innova
    Sep 2017 - Jan 2021 · 3 yrs 5 mos

    Contributed to the development and maintenance of the Turk Telekom Android application, belonging to one of Turkey’s leading telecom companies, with over 50 million downloads on Google Play. Played an active role in planning, analyzing, and developing biometric signature Android tablet applications used in branches of Turk Telekom, Vodafone, Avis, and Budget. Throughout my experience, I actively participated in various project management processes, including agile, kanban, and waterfall, working alongside talented team members and experienced UI/UX designers. Focused extensively on developing Android applications using Java/Kotlin with MVC and MVVM patterns, adhering to clean architecture principles. Also involved in unit testing, comprehensive project refactoring, and contributing to CI/CD processes.

  • Android Developer at Bor Software
    Jun 2017 - Sep 2017 · 4 mos

    Involved in the development of the ALYT Smart Home Android application, working with various smart home communication protocols, focusing on user experience, and gaining experience in agile project management.

  • Android Developer at Oran Technology
    Jan 2016 - Feb 2017 · 1 yr 2 mos

    Developed a secure end-to-end encrypted Android messaging application on the XMPP infrastructure, contributing to user experience, design, and development processes.

  • Android Developer at Mavinci
    Jun 2014 - Sep 2014 · 4 mos

    Contributed to the development, issue resolution, and improvement of the company’s existing Android applications during internship and part-time work, focusing on design and development processes.