Andrei Isaev
Senior Software Engineer at DuckDuckGo
Bishkek City, Kyrgyzstan
Summary
🤩
Rockstar🎓
Top SchoolAndrei Isaev is a Senior Software Engineer with 17 years of cross-platform backend experience, currently shaping privacy-focused search at DuckDuckGo. He has a strong systems background demonstrated by long-term contributions to notable open-source projects like irssi, radare2, qtile and BitlBee, fixing hard bugs and improving core terminal and protocol handling. His career spans high-throughput backend development for games and enterprise ERP/GIS systems using Java, C#, PostgreSQL/Redis and Spring/EF stacks. Comfortable across Linux tooling, networking protocols and UI edge-cases, he often improves robustness and null-safety in legacy C and Perl codebases. Based in Bishkek, Kyrgyzstan, he blends production engineering with pragmatic open-source stewardship—frequently addressing obscure terminal/rendering and protocol compatibility issues that others overlook.
17 years of coding experience
16 years of employment as a software developer
Bachelor’s Degree Automated information processing and management, Bachelor’s Degree Automated information processing and management at inavlid15140285
English, Russian
Stackoverflow
2,140reputation
232kreached
17answers
3questions
memory-leaks
top-5%
gtk
top-5%
python
top-5%
Github Skills (65)
xcb10
dis10
python10
c1110
perl10
glib10
c1710
command-line-tool10
repository-pattern10
git-repository10
binarydiff10
management10
wayland10
scripting10
repo-management10
Programming languages (26)
Github contributions (5)
bitlbee/bitlbee
Jul 2014 - Jun 2022
An IRC to other chat networks gateway :bee:
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 5 reviews, 435 commits in 8 years
Contributions summary:Andrei primarily focused on implementing and improving core functionalities within the BitlBee IRC to IM gateway. The contributions included the addition of functions for handling self-messages and addressing JID mismatches in the Jabber protocol. Other contributions involved fixing bugs, streamlining code, and incorporating enhancements for protocols like Twitter, MSN, and Oscar. The user also refactored existing code to improve efficiency.
ircinstant-messagingchatcjabber
qtile/qtile
Oct 2010 - Feb 2017
:cookie: A full-featured, hackable tiling window manager written and configured in Python (X11 + Wayland)
Role in this project:Backend Developer
Backend DeveloperContributions:79 commits, 17 PRs, 38 comments in 6 years 5 months
Contributions summary:Andrei primarily contributed to the core functionality and internal structure of the qtile window manager. They implemented features such as adding a setter for group layouts, improving window matching, and modifying the groupbox. The user also fixed various bugs related to window management, including those related to opacity and display properties. Furthermore, the user implemented features related to the WM_STATE property and EWMH hints, and fixed errors related to the systray.
pythonwaylandwindow-managerx11qtile
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.