Case Study: Duolingo automates service catalog and infrastructure maintenance with OpsLevel

How Duolingo automates service creation and maintenance to tackle more impactful infra work

Duolingo, the language-learning app, needed a better way to manage its growing microservice environment after years of switching from a monolith to microservices. Its homegrown cataloging tools were fragmented, hard to maintain, and made it difficult for engineering teams to get visibility, standardize services, and enforce company-wide changes.

Using OpsLevel, Duolingo created an automated single source of truth for its service catalog, with hourly updates from sources like GitHub and Rollbar, service creation templates, and quarterly campaigns to drive infrastructure and security improvements. With OpsLevel, Duolingo improved service standardization, increased team engagement, and achieved 99–100% completion rates on quarterly campaigns while freeing platform teams to focus on higher-value product work.

Duolingo

Art Chaidarun

Principal Software Engineer