Open to Work · Android Developer Istanbul, Turkey

Hasan Ali
Çalışkan

Android Developer

Makes software for a living, finding purpose in building things from the ground up.

BUILDING

Soru Kartım — 10.000+ downloads

CURRENTLY

Looking for work as an Android Developer.

View CV

01 About

Android Developer with hands-on experience building and scaling Kotlin-based mobile applications used by millions of users. Specialized in Jetpack Compose, MVI architecture, and Android testing, with proven experience developing production-grade features across AI, media, and education products.

Education

Biruni University Computer Engineering Full Scholarship (2020-2024)

Skills

Kotlin Jetpack Compose Figma Android SDK Coroutines Flow Navigation Room Retrofit JUnit MockK

Awards

Top 8 Finalist - Kuveyt Türk Ideathon (12/2023) Top 9 Finalist - Kuveyt Türk Ideathon (12/2022)

02 Work

Mellon Technology

11/2024 – 06/2026

Android Developer

  • Developed and maintained production-scale Android applications using Kotlin, Jetpack Compose, and MVI architecture across AI, media, and productivity products.
  • Videa (2M+ downloads): Developed and maintained core product features including A/B-tested onboarding flows, video trimming, and media playback functionality using Jetpack Compose. Also implemented comprehensive unit and integration tests to improve feature reliability.
  • Robo AI (700K+ downloads): Re-architected a legacy XML-based Android application using Jetpack Compose and modern Android development practices.
  • Photo Enhancer (50K+ downloads): Implemented core features including video generation and the video playback screen.
  • Lingo: Developed an AI-powered chat interface using Jetpack Compose.

Yıldız Technical University

02/2024 – 06/2024

TÜBİTAK STAR Lisans Research Intern

  • Developed an Android e-commerce application from scratch using Kotlin and Jetpack Compose with MVVM architecture.
  • The application was used by over 500 users, and the collected data was utilized for conjoint analysis.

MT Bilgi Teknolojileri

08/2023 – 09/2023

Android Developer Intern

  • Designed and developed a mobile application for Android POS terminals from scratch using Kotlin.

Meşk Teknoloji - İTÜ Arı Teknokent

05/2023 – 07/2023

Software Developer Intern

  • Worked on audio processing algorithms and UI development in Unity.

03 Projects

Soru Kartım

  • Developed and published an educational Android application using Jetpack Compose and MVI architecture, reaching 10,000+ downloads on Google Play.
  • Integrated Firebase Analytics and Crashlytics to monitor user behavior and production stability.
08/2024

TÜBİTAK 2209-A (Project Manager)

  • Served as the project manager for a three-person team in a TÜBİTAK-supported software project.
04/2023 – 03/2024