SE Radio 714: Costa Alexoglou on Remote Pair Programming

In this episode of Software Engineering Radio, host Prajesh Amanat interviews Costa Alexoglou, software engineer at Grafana Labs and co-founder of Hop, an open-source remote pair programming tool. The conversation explores the fundamentals of pair programming, its resurgence in the remote-first era, and how it remains essential even with the rise of AI-assisted coding. Costa shares personal experiences where pair programming accelerated project timelines from a projected year to just four months, and highlights its value in debugging complex issues like database performance and on-call incidents. He critiques mainstream video conferencing tools for poor screen-sharing quality, lack of remote control, and limited context, which led to the creation of Hop. The tool leverages WebRTC, Rust, and low-latency infrastructure to achieve under 100ms latency with high-definition streaming. Costa also discusses technical challenges like inconsistent rendering across OSes, audio quality issues, and the decision to move from Tauri’s WebKit to lower-level frameworks like Winit and Iced for better GPU performance and real-time video processing. He emphasizes the importance of setting clear performance specs early and building iteratively. Looking ahead, Costa envisions pair programming becoming deeply integrated into IDEs and operating systems as remote work becomes the norm. The episode concludes with a strong advocacy for pair programming as a career accelerator and knowledge-sharing practice.