Case Study: Preply boosts video-call quality 20% and scales globally with Amazon Chime

Preply Becomes a Global Provider of Online Courses with AWS

Preply, an education-technology company that connects students with tutors in 50 languages, faced the challenge of scaling from a regional startup to a global online business while controlling costs and improving user experience. To address lagging video calls, slow website performance, and slow software delivery, Preply migrated to AWS and adopted services including Amazon Chime for communications as well as Amazon EKS, Amazon ElastiCache, and Amazon CloudFront.

By using Amazon Chime alongside other AWS services, Preply improved video call quality by 20% on its scorecard, cut website latency from 1.5 seconds to 500 milliseconds, and increased customer conversion rates by 5%. Automation with Amazon EKS reduced time to release new software from 100 hours to 30 minutes, enabling faster innovation and helping Preply grow into a global business—results achieved with Amazon Chime as part of the solution.

Preply

Dmytro Voloshyn

Co-Founder