Doctolib accelerates developer productivity with Claude Code
DoctolibClaude CodeDoctolib, Europe's leading healthcare technology platform serving 420,000 health professionals and 90 million patients, rolled out Claude Code across its entire engineering team after piloting with 30 engineers. The platform team built a centralized repository of reusable prompts, custom commands, and subagents for documentation, testing, code review, and debugging. Claude Code migrated the company's entire legacy visual regression testing infrastructure in hours instead of weeks, automatically updates technical documentation on every code change, and now handles pull request reviews instantly through automated Claude-powered reviews on their main infrastructure repository.
Overview
Doctolib, Europe's leading healthcare technology platform serving 420,000 health professionals and 90 million patients, rolled out Claude Code across its entire engineering team after piloting with 30 engineers. The platform team built a centralized repository of reusable prompts, custom commands, and subagents for documentation, testing, code review, and debugging. Claude Code migrated the company's entire legacy visual regression testing infrastructure in hours instead of weeks, automatically updates technical documentation on every code change, and now handles pull request reviews instantly through automated Claude-powered reviews on their main infrastructure repository.
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Inspect the highlighted sourceThe challenge
Doctolib's engineering team faced a productivity paradox. As Europe's leading healthcare technology Operating System serving 420,000 health professionals and 90 million patients, the company needed to ship features faster while maintaining reliability for critical healthcare workflows. But administrative tasks consumed significant engineering time—writing documentation, creating tests, reviewing pull requests, and addressing technical debt pulled developers away from solving complex healthcare challenges. New engineers took weeks to contribute meaningfully to unfamiliar parts of the codebase, pull request reviews created bottlenecks, with engineers waiting hours or days for teammate availability, and technical debt accumulated faster than the team could address it.
The solution
After piloting Claude Code with 30 engineers and seeing promising productivity gains, Doctolib rolled out the tool to their entire development team. Doctolib's platform team created a centralized repository of prompts, custom commands, and subagents that all developers pull during their initial Claude Code setup. Engineers write documentation and tests, review pull requests, and address technical debt through repeatable prompts for migrations and debugging. The tool's headless mode runs directly in their CI pipeline, automatically opening pull requests for routine maintenance tasks.
Reported business value
We completed the migration in hours, not weeks. It's now in production handling all our screenshot comparisons. Every code change triggers a CI job that updates technical documentation automatically. Pull request reviews, previously a bottleneck requiring hours or days of wait time, now happen instantly. Teams now self-onboard to new projects on unfamiliar technology stacks—reducing ramp-up time from weeks to days.
Sources
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