Aleksandar Pesic
Sr. Software Engineer at Tailscale
Serbia
Summary
🤩
Rockstar🎓
Top SchoolAleksandar Pesic is a senior software engineer and technical leader with 11+ years building production-grade systems and running an internationally used arbitrage betting service, MathBet.com. Currently at Tailscale, he focuses on Windows system-level networking and back-end engineering, contributing to WireGuard integration, service orchestration, and platform-specific UX like Windows file-sharing. His background blends expert-level mathematical modelling, software development, and project management honed across startups and product teams including QuantRes and TransientX. Aleksandar pairs hands-on coding—SSH/Mosh and terminal emulator improvements among his open-source work—with strategic product instincts that spot and capitalize on market opportunities. Trained as a control systems engineer, he brings a rare mix of rigorous mathematical thinking and practical systems engineering to complex networking and distributed-system problems.
11 years of coding experience
14 years of employment as a software developer
Masters, Control System Engineer, Masters, Control System Engineer at Univerzitet u Nišu
Stackoverflow
668reputation
37kreached
21answers
13questions
Github Skills (25)
wp-api10
uwp10
user-interface10
winapi10
wireguard10
tailscale10
go10
system-integration10
dotnet-core10
ws-api10
csharp10
ssh10
vpn9
debug9
javascript9
Programming languages (15)
Github contributions (5)
felixse/FluentTerminal
Apr 2019 - Mar 2020
A Terminal Emulator based on UWP and web technologies.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:73 commits, 90 PRs, 102 comments in 11 months
Contributions summary:Aleksandar primarily implemented and refactored features related to SSH and Mosh connections within the terminal emulator. This included adding new menu options for remote shell sessions, handling SSH links, and improving the user interface for managing SSH profiles and settings. The user also worked on integrating Mosh, including handling the Mosh protocol and creating shortcuts for the remote shells. Furthermore, the user improved the user experience by making the tab titles for SSH/Mosh more informative and fixing various UI-related bugs.
uwpemulatorwindowstechnologiesterminal-emulator
tailscale/tailscale
Dec 2020 - Apr 2021
The easiest, most secure way to use WireGuard and 2FA.
Role in this project:Back-end & System Engineer
Back-end & System EngineerContributions:64 reviews, 20 commits, 12 PRs in 4 months
Contributions summary:Aleksandar Pesic primarily focused on enhancing the Tailscale's Windows-specific functionalities. Their work involved refactoring registry access code, integrating the updated wireguard-go library, and improving the Windows service integration, including the implementation of file-sharing features within the Windows shell. They also contributed to improvements in the Windows networking stack, with a focus on default route handling and interface monitoring. These contributions suggest a strong focus on Windows system-level development and networking.
secureprivacysecurityvpnwireguard
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