Jiří Kunčar
Founder at openagency
Bilbao, Autonomous Community of the Basque Country, Spain
Summary
🤩
Rockstar🎓
Top SchoolJiří Kunčar is a founder and seasoned software engineer with 14 years of experience, based in Bilbao, Spain, who blends full‑stack development, test automation, and DevOps expertise. He’s an active open‑source contributor and Python enthusiast who has improved tracing, testing, and security in high‑visibility projects such as Datadog’s APM clients and documentation, CERN Open Data, and the Invenio digital library. His work spans implementing distributed tracing and CI metadata extraction, hardening authentication flows in Flask security, and refining search and record management in scholarly platforms. Comfortable across backend, QA, and infrastructure, he has a knack for turning tricky integration edge cases into robust, well‑tested solutions. Notably, his commits reveal a pragmatic focus on improving developer experience—better tests, clearer docs, and more reliable CI—rather than just feature surface.
14 years of coding experience
Charles University in Prague
Github Skills (75)
hugo10
e-library10
python10
testing10
distributed-tracing10
command-line-interface10
databases10
rspec10
authentication10
http10
terraform10
ruby10
web-development10
trace10
flask10
Programming languages (16)
Github contributions (5)
inveniosoftware/dictdiffer
Aug 2014 - Jul 2021
Dictdiffer is a module that helps you to diff and patch dictionaries.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 36 reviews, 64 commits in 7 years
Contributions summary:Jiří primarily contributed to the development of the `dictdiffer` library, focusing on improving its functionality and reliability. Their work involved implementing support for integer keys and sets, addressing issues related to list diffs, and fixing problems with Unicode keys. They also added comprehensive tests to ensure the library's stability and accuracy, alongside documentation updates.
patchpythonutilitycsharpdictionaries
inveniosoftware/invenio
Jan 2012 - Feb 2017
Invenio digital library framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 releases, 1086 commits, 695 PRs in 5 years 1 month
Contributions summary:Jiří appears to be a back-end developer focusing on fixing and improving search functionality within the Invenio digital library framework. Their contributions include addressing pagination issues in browse results and correcting external URL generation in the linkbacks module. Additionally, they made modifications to the file formatting and record editor, demonstrating involvement in the record management aspects of the system, and provided PEP8 and PEP257 code quality improvements.
digital-librarymultimedia-repositorypythonredisinveniosoftware
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.