Sohayb Hassoun
Principal Software Engineer @Rakuten Kobo Inc.
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WORK HISTORY
Principal Software Engineer @Rakuten Kobo Inc.
Toronto, ON, CA
I lead technical strategy and platform engineering for Rakuten Kobo and our global partner mobile apps (iOS, Android, and React Native). Instead of just shipping individual features, my focus is on building the foundation: the internal tools, shared architecture, and CI/CD infrastructure that empower our distributed engineering teams across North America and Europe. By treating Developer Experience (DevEx) as a first-class product, I focus on removing friction so our teams spend less time fighting the build system and more time shipping great software.Mobile Infrastructure & CI/CD EvolutionLed the end-to-end migration of our mobile pipelines from Azure DevOps to GitHub, establishing a unified deployment standard across all app repositories. To solve subsequent scaling bottlenecks, I designed and deployed a custom bare-metal Mac VM orchestration cluster. This gave us ephemeral, self-serve build environments that cut cloud costs, resolved cache pollution, and delivered runner pickup speeds rivalling native GitHub instances.Hybrid Architecture & React Native ModernizationArchitected a hybrid foundation by embedding a shared React Native layer across our core apps, unifying business logic while preserving platform-specific native UX. Recently, I pioneered our transition to the React Native New Architecture. By replacing complex legacy bridges with a streamlined standard, we cut core framework upgrade times from days to mere hours, future-proofing the platform and accelerating our product iteration cycles.Platform Standardization & Automated PublishingBrought order to cross-org development by introducing strict semantic versioning, automated changelogs, and a hands-off release pipeline via Fastlane. By adapting established industry standards to our mobile ecosystem, we significantly reduced the cognitive load on developers. Distributed product teams can now seamlessly share, version, and consume highly reusable platform components without integration headaches.
EDUCATION
Iman Highschool
Highschool Diploma, General science
SKILLS
ABOUT SOHAYB HASSOUN
I build the platforms and infrastructure that mobile engineering teams depend on.As a Principal Engineer focused on mobile platform architecture and developer experience, I work on the systemic issues that slow engineering organizations down. That includes designing faster CI/CD pipelines, modernizing legacy codebases, and establishing technical standards that improve reliability and consistency across teams.I focus on reducing friction in the developer workflow so product engineers spend less time dealing with slow builds, flaky tooling, and architecture drift, and more time shipping great products.My goal is to provide the tooling, observability, and platform stability that help distributed teams deliver high-quality apps safely, efficiently, and consistently.
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