
Oğuzhan Ekşi
@oguzhaneksi
Android engineer fixing production issues and building OTT streaming apps.
What I'm looking for
At Laser Revolver, I work as an Independent Android Consultant, helping companies diagnose and fix high-risk production Android problems. My work includes debugging, performance optimization, architecture modernization, and complex platform integrations.
At OSN, I was Android Engineer | Platform Lead for a TV OTT application. I built its multi-module architecture and core Media3/ExoPlayer playback experience, and reduced critical UI jank by up to ~30%.
At ERSTREAM, I helped move a hybrid app ecosystem to native Android TV and Amazon Fire TV. I modernized legacy Java code, cut cold-start times by ~40%, and maintained a greater than 99% crash-free rate across production apps.
Streaming is where I’ve built my specialist depth, working with Media3, ExoPlayer, HLS/DASH, and DRM. I also published two open-source Media3 SDKs, StreamProbe and Media3Watch, to Maven Central.
Experience
Work history, roles, and key accomplishments
Worked as Independent Android Consultant at Laser Revolver.
As the Android Platform Lead for OSN’s TV OTT application, I owned the end-to-end architecture and delivery of a flagship streaming product built for high-traffic B2B and B2C markets across the MENA region.
Here is what I actually delivered:
- Built a clean, multi-module architecture from scratch utilizing Jetpack Compose, MVI, StateFlow and Kotlin Coroutines, establishing a production-ready fou
I spent nearly 5 years architecting and scaling Erstream's native mobile and Connected TV (CTV) ecosystem, serving a global audience with high-performance live and VOD streaming applications.
Here is the impact I drove:
- Spearheaded the architectural shift from a sluggish hybrid (WebView-based) model to a fully native Android TV / Amazon Fire TV ecosystem, bypassing generic Leanback constraints
I wanted to deeply understand the full mobile ecosystem, so I architected and shipped a complete product from scratch as a solo developer, managing everything from the database to the native Android UI.
Here is the impact I drove:
- Full-Stack Architecture: Built and deployed a native Android application alongside a custom PHP RESTful API, MySQL database and a web admin dashboard.
- Product Owne
Honestly, every engineer starts somewhere. This internship was my first real jump from academic theory to hands-on software development.
Here is the foundation I built:
- Practical Architecture: Developed a desktop e-commerce prototype from scratch utilizing .NET and a locally hosted MSSQL database.
- Core Business Logic: Implemented fundamental application flows, including user authentication,
Education
Degrees, certifications, and relevant coursework
Yeditepe University
Lisans Derecesi, Bilgisayar Mühendisliği
2015 - 2020
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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