Robin Appelman
Software Engineer at Nextcloud GmbH
Eindhoven, North Brabant, Netherlands
Summary
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Rockstar
Top expert inComprehensive Open-Source Technology Ecosystem
Robin Appelman is a pragmatic software engineer with 16 years’ experience, currently contributing to Nextcloud from Eindhoven. He blends backend expertise in PHP and Rust with practical systems work—flashing Espressif devices, extending Bluetooth LE tooling, and enhancing Docker and Nextcloud server components. Robin’s open-source footprint shows a knack for interoperability and platform nuances, from parsing BDAddr/UUIDs in btleplug to implementing RAM loaders in espflash. He pairs code-level fixes and tests with documentation and security-minded tasks like certificate requests, making him equally comfortable shipping features and hardening systems. Notably, his contributions frequently bridge language and platform boundaries, improving real-world developer and user workflows.
16 years of coding experience
Github Skills (84)
datetime10
dashboard10
reader10
testing10
spotify-api10
bluetooth10
embedded10
streaming10
javascript10
file-management10
qt10
async10
memory-management10
datetimes10
dockers10
Programming languages (25)
Github contributions (5)
owncloud-archive/apps
Jun 2011 - Aug 2015
Repo for ownCloud apps. Code here is work in progress and not intended for endusers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:652 commits, 5 PRs, 2 pushes in 4 years 3 months
Contributions summary:Robin contributed to the ownCloud apps repository, specifically focusing on public link sharing functionality and the integration of an image viewer plugin. Their work involved modifying core PHP files, including those related to file management and authentication, as well as adjustments to JavaScript for front-end interaction. The user also implemented features for handling shared resources.
owncloud
esp-rs/espflash
Aug 2020 - Dec 2021
Serial flasher utility for Espressif SoCs and modules based on esptool.py
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 26 reviews, 212 commits in 1 year 3 months
Contributions summary:Robin's contributions focused on developing a serial flasher utility for Espressif SoCs and modules. They implemented core functionalities such as connecting to the device, sending commands, and handling responses. Key areas of focus included writing to memory, including a RAM loader for executing code on the target and implementing a basic serial monitor. They also added support for detecting flash sizes and image formats.
espressif
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