Daniel Pavel
Founder at Soulstone Labs LLC
Bucharest Metropolitan Area Romania
Summary
👤
Senior🎓
Top SchoolDaniel Pavel is a seasoned software engineer and founder with 14 years of experience building system-level and backend software across networking, embedded, and web domains. Based in Bucharest, he has shipped platform and kernel-adjacent features at companies like Fitbit (now Google), Lenovo, and Metaswitch, and has experience implementing memory- and performance-sensitive components such as a Capabilities Space and SyncPortal wrappers. He founded Soulstone Labs to commercialize NFTsForLess and recently worked as a core engineer at MAYA-ZK, showing a blend of entrepreneurial drive and interest in privacy-preserving tech. An active open-source contributor, Daniel has extended Linux device management tooling (Solaar) by adding a Python HID API wrapper and improved backend internationalization and dependency hygiene in calibre-web. He combines low-level C and kernel experience with higher-level Python backend work, making him effective across the stack when integrating hardware, networking, and web services. Colleagues describe him as pragmatic and detail-oriented, able to translate complex protocols into maintainable production code.
14 years of coding experience
7 years of employment as a software developer
Colegiul National Dinicu GolescuMaster’s Degree, Parralel and Distributed Systems, Master’s Degree, Parralel and Distributed Systems at Universitatea „Politehnica” din București
English
Github Skills (13)
dependency-management10
low-level-programming10
hidapi10
driver10
device-driver10
python10
interfacing10
hardware-interface10
ebooklib9
epub9
localization9
calibre9
docbook9
Programming languages (2)
Github contributions (5)
pwr-Solaar/Solaar
Sep 2012 - Apr 2014
Linux device manager for Logitech devices
Role in this project:
Back-end Developer
Back-end DeveloperContributions:719 commits in 1 year 7 months
Contributions summary:Daniel's primary contribution involves the implementation of a Human Interface Device (HID) API wrapper written in Python and integration with existing code. This is apparent from the addition of a `hidapi.py` wrapper and the subsequent use of this wrapper to provide initial support for the Logitech Universal Receiver. These changes, as evident in the code diffs, focused on adding support for low-level interaction with hardware and establishing communication with a specific device, indicating the user's experience with system-level programming. The work demonstrates the user's involvement in integrating new devices into the system.
device-managerlinuxlogitech
janeczku/calibre-web
Mar 2019 - Jul 2019
:books: Web app for browsing, reading and downloading eBooks stored in a Calibre database
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 commits, 11 PRs, 13 comments in 5 months
Contributions summary:Daniel primarily focused on updating and maintaining the project's dependencies, specifically the `epub.js` library. They also added support for the `pycountry` library as a fallback for language code lookups, indicating a focus on internationalization and localization aspects of the application. Furthermore, the user cleaned up logging and refactored code, improving the project's maintainability and structure. These changes imply active involvement in the backend of the web application.
ebookdownloadingebooksstoredmobi
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