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Yan Cui

Yan Cui

Principal Engineer at DAZN, UK

Yan is an experienced engineer who has worked with AWS for near 10 years. He has been an architect and lead developer with a variety of industries ranging from investment banks, e-commerce to mobile gaming. In the last 2 years he has worked extensively with AWS Lambda in production, and he has been very active in sharing his experiences and the lessons he has learnt.

Yan is an AWS Serverless Hero, and some of his work has even made their way into the Serverless Well-Architected whitepaper published by AWS.

Yan is polyglot in both spoken and programming languages, he is fluent in both English and Mandarin, and counts C#, F#, Scala, Node.js and Erlang amongst programming languages that he has worked with professionally. Although he enjoys learning different programming languages and paradigms, he still holds F# as his undisputed favourite.

Yan is a regular speaker at user groups and conferences internationally, and he is also the author of Production-Ready Serverless and a co-author of F# Deep Dives. In his spare time he keeps an active blog where he shares his thoughts on topics such as AWS, serverless, functional programming and chaos engineering.

Speaker's activity

Serverless in production, an experience report

December 8th


Online Talk


In this talk I share my experience of migrating an existing monolithic architecture for a social network to AWS Lambda, and how it empowered a small team to deliver features quickly and how they address operational concerns such as CI/CD, logging, monitoring and config management.

This sessions draws on my experience leading a team that transformed our entire architecture in under 6 months, where we also managed to cut cost by over 90%, and increased production deployments from 4-6 per month to 80-100 per month. We did that whilst coming up with solutions to those common operational concerns to ensure we not only run a serverless architecture in production, but we do so responsibly.