Article
How Buzzvil’s Frontend Evolved
I'm Luke from the Product Growth team in Buzzvil's Supply group. I would like to share how our frontend architecture has changed over the past few years. From AngularJS through Vue…
Product & experience
From mobile and web engineering to design systems and product decisions.
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Article
Finding Constellations in Photos: Building a Plate Solver, Seven Years in the Making
I built a plate solver that looks only at the arrangement of stars in a photo, works out which part of the sky it shows, and draws the constellations. It took three attempts, from a dream in 2019 to finishing it with Claude Code.
Article
What We Learned Applying Preloading to an Ad SDK Without a Preload API
How we separated ad allocation from hidden SDK execution and designed exposure, fallback, and session lifecycles for a recurring ad mission.
Article
Video Optimization Was Never Just About the Video
How we handled delayed and failed video playback in WebViews—and expanded optimization from media files to the entire user experience.
Article
Figma, downsized.
How a shift toward design work in code is changing Buzzvil’s Figma usage, handoffs and tool budget.
Article
Designers Open the PRs Now
6 months. 432 pull requests. One design team. What got better, and what it cost us. Recently, one of our designers was exploring a lucky-draw concept in the ad participation flow.…
Article
A Design System for an Agent
As a Frenchman, I love spending time in the kitchen, cooking things for the fam. As a designer, I love crafting delightful interactions. So in the first half of 2026, I spent a cra…
Article
An Operating Manual Written by the Agent: Five Layers of Harness for AI Coding Agents
Editor’s note. The narrator of this article is not a person. It is Claude Code itself, the AI coding agent that works in Buzzvil’s web monorepo every day. Maxence, who regularly wo…
Article
The AI-Native Design Playbook
Over the past month, Buzzvil’s design team shipped five web applications and made 344 commits. Remarkably, Figma was barely involved. There were no engineering sprint allocations,…