Oleksandr Piskun
Software Engineer at Nextcloud GmbH
Lubny, Poltava Oblast, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleksandr Piskun is a seasoned software engineer with nine years of experience, blending deep C/C++ expertise from DPI systems with modern open-source work in Python. He currently contributes to Nextcloud’s Integrations and AI team, improving backend AppAPI and webhook functionality for a widely used self-hosted cloud platform. Comfortable across Linux, macOS, Windows and FreeBSD, he’s a fan of aarch64 CPU architecture and brings systems-level thinking to application integrations. Previously a freelance DevOps engineer, he pairs operational pragmatism with backend development skills. His open-source contributions include technical writing and code changes that clarified developer documentation and hardened authentication flows in Nextcloud. Early roots in Pascal/Delphi and assembler give him an uncommon appreciation for low-level detail alongside contemporary cloud and AI integrations.
9 years of coding experience
2 years of employment as a software developer
Kharkiv National University of Radio Electronics
Github Skills (17)
back-end-development10
sphinx10
php10
nextcloud10
markdown9
cors9
security9
apidoc9
markdown-it9
api9
documentation9
two-factor-authentication8
open-source7
api-rest4
restful-api4
Programming languages (14)
Github contributions (5)
nextcloud/documentation
Mar 2023 - Oct 2024
📘 Nextcloud documentation
Role in this project:
Technical Writer
Technical WriterContributions:54 reviews, 12 PRs, 9 pushes in 1 year 6 months
Contributions summary:Oleksandr primarily contributed to the Nextcloud documentation repository by fixing various documentation issues. They corrected formatting errors, particularly "unexpected unindent" warnings, within the developer manual. They also updated links and added missing information to the upgrade guide and publishing documentation. The contributions focus on improving the clarity, accuracy, and usability of the Nextcloud documentation for developers.
manualnextcloudsphinx
nextcloud/server
Apr 2021 - Jan 2025
☁️ Nextcloud server, a safe home for all your data
Role in this project:Back-end Developer
Back-end DeveloperContributions:252 reviews, 22 PRs, 39 pushes in 3 years 9 months
Contributions summary:Oleksandr primarily contributed to the back-end logic of the Nextcloud server, specifically focusing on the AppAPI integration and enhancing the webhook functionality. They added a new login handler and modified existing code to accommodate AppAPI requests and bypass two-factor authentication when appropriate. Further contributions included updating the codebase with the renaming of AppEcosystem to AppAPI and modifying CORS settings to support AppAPI authentication. Additionally, they introduced a new interface for providers with user IDs and integrated it with text-to-image tasks.
owncloudfile-sharingcollaborationsharingdecentralized
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