Tahsin Dane is a seasoned software engineering manager with 13 years of experience building and scaling teams and resilient systems across mobile and backend domains. Based in Berlin, he has led organizations of up to 35 engineers at Delivery Hero and now leads a newly formed Android System UI team at Google, blending hands-on technical depth with strategic leadership. He’s known for driving measurable improvements in team health and delivery—raising eNPS, defining north-star metrics, and converting a single team into a multi-team organization with clear end-to-end ownership. Technically grounded in Android, Kotlin, and build automation, Tahsin contributes to prominent open-source projects like Mavericks and Apollo Kotlin and has hands-on build/release automation experience improving Gradle and CI workflows. He mentors engineers into senior and managerial roles and prioritizes maintainability, testability and failure-resilience in large-scale products. Beyond leadership, he brings a developer-first perspective from founding roles and prolific mobile work, including projects with multi-million downloads.
13 years of coding experience
15 years of employment as a software developer
Master of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at Koç University
Bachelor's Degree Computer Science, Bachelor's Degree Computer Science at Boğaziçi University
Contributions:21 commits, 27 PRs, 4 pushes in 4 years 9 months
Contributions summary:Tahsin primarily focused on front-end improvements for the conference website. They implemented JavaScript minification scripts, added functionality to enable/disable auto directions, fixed a bug in the rockstar count, and addressed margin issues for right navigation buttons. They also made the website more user-friendly by adding support for descriptions in service sessions, improved responsiveness with HTTPS links, and added a theme color to the app.
:rocket: A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.
Role in this project:
Back-end Developer
Contributions:10 releases, 55 reviews, 97 commits in 1 year 7 months
Contributions summary:Tahsin primarily focused on improving the codebase of the Apollo Kotlin client. Their contributions included updating documentation, adding types to prevent IDE warnings, optimizing build configuration time, and adding a Gradle wrapper to a sample project. Furthermore, the user also fixed various Kotlin warnings in the apollo-compiler, indicating a focus on code quality and maintainability within the project. These efforts involved the use of Groovy and Kotlin, suggesting a strong understanding of the build process and the core functionality of the Apollo client.
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Tahsin Dane - Software Engineering Manager at Google