Filiph Sandström is a versatile consulting software engineer with 11 years of experience building modern front-end and back-end products, specializing in React/Next.js, TypeScript, Node and native stacks including React Native and C++. He has led engineering teams and served as CTO, shipping multi-tenant e-commerce platforms and headless storefronts while also running his own consultancy and product experiments. A prolific open-source contributor, he has made notable low-level and UI improvements to projects like the SerenityOS kernel/userland and enhanced cross-platform mobile plugins such as cordova-music-controls. Based in Karlsruhe, he blends deep system-level knowledge (x86/PowerPC asm) with pragmatic product engineering and strong opinions on types and tooling. Clients praise his ability to translate developer experience improvements into customer-facing value, and he brings a creative background in music and arts to his technical problem solving.
A Cordova plugin displaying music controls in notifications (cordova-plugin-music-controls)
Role in this project:
Mobile Developer (Android)
Contributions:10 commits in 6 months
Contributions summary:Filiph primarily focused on developing and enhancing the Android implementation of the Cordova music controls plugin. Their contributions included adding support for external image loading via HTTP/HTTPS/FTP, fixing various minor issues, and refactoring parts of the code. They also addressed the use of a random ID for notifications and added functionality for Windows platform, suggesting a cross-platform development focus.
Contributions:28 reviews, 42 commits, 46 PRs in 1 year 1 month
Contributions summary:Filiph's contributions primarily involve modifying the SerenityOS codebase across multiple areas. They refactored UI elements by renaming click events, enhanced the window server by adding support for natural scrolling, and implemented various settings and UI features in the MouseSettings and ThemeEditor applications. Their changes demonstrate a good understanding of the operating system's GUI framework and overall system architecture. Furthermore, they also made improvements in other areas such as display settings and localization, illustrating their capability to work on the OS's components.
kernelunixbrowserserenityoperating-system
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Filiph Sandström - Consulting Software Engineer at Filiph Sandström