Filip Slagter - Co-Network Administrator

Filip Slagter

Co-Network Administrator

Nordland, Norway

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Summary

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Rockstar

🎓

Top School

Filip Slagter is a pragmatic software developer and Co-Network Administrator with 11 years of experience building backend systems, primarily in Ruby and Ruby on Rails, while retaining a strong eye for frontend design. Based in Nordland, Norway, he is an active open source contributor across mobile and server projects—having improved stability and UX in F-Droid and microG, and contributed networking and proxy fixes to the Matrix Synapse homeserver. Comfortable across Linux flavors (a longtime Gentoo enthusiast), Filip prototypes inventive integrations and toolchains to simplify workflows and explore new ideas. He combines test-driven discipline and REST/MVC principles with hands-on work in C++/Qt and Android, showing a rare breadth from low-level client fixes to backend architecture. Colleagues know him for cooperative, detail-minded engineering and a preference for practical, reproducible solutions.

11 years of coding experience

3 years of employment as a software developer

GrafiMedia Technologie, GrafiMedia Technologie at Rotterdam University of Applied Sciences

Noordzee College locatie Ichthus Driehuis

Github Skills (34)

kotlin10

debug10

c-language10

clang-tidy10

qt10

python10

permission10

bluetooth-le10

ui-design10

networking10

java10

refactor10

javas10

twisted10

android10

Programming languages (22)

PowerShellJavaC++CSSCRustDMakefile

Github contributions (5)

f-droid/fdroidclient

Mar 2018 - Oct 2020

Android client application.

Role in this project:

Mobile Developer (Android)

Contributions:37 commits in 2 years 7 months

Contributions summary:Filip primarily contributed to bug fixes and improvements within the Android client application. Their commits focused on resolving crashes related to app launching and UI inconsistencies, specifically addressing issues with the "run" button after uninstalling. Additionally, the user made changes to the app details view, including fixing the display of license links and adjusting how Android versions are presented. These changes demonstrate a focus on improving the stability and user experience of the application.

fdroidinstallerpackage-managerandroidkotlin

microg/GmsCore

Mar 2021 - Nov 2021

Free implementation of Play Services

Role in this project:

Mobile Developer (Android)

Contributions:4 reviews, 6 commits, 3 PRs in 8 months

Contributions summary:Filip primarily contributed to the Android application's exposure notification functionalities within the microg/gmscore repository, which provides a free implementation of Play Services. The user added support for new permissions, including BLUETOOTH_SCAN and BLUETOOTH_ADVERTISE, and handled the permission request flow for Android 12 and above. Additionally, the user implemented various UI and notification updates related to these permissions, ensuring a more informative user experience. They also modified the handling of BLE advertising and error logging in the AdvertiserService.

google-cloud-messaginggooglefirebasepush-notificationsandroid

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