Champion

Oleg Šelajev

Docker

Oleg Šelajev is a developer advocate at Docker working mainly on developer productivity, Testcontainers, improving how we set up local development environments and tests, and building applications with AI parts. Developer. Author. Speaker. Java Champion. Docker captain.
Loves all languages.

Badges 18

Talks 35

Devoxx UK 2026
Fine-Tuning for the Impatient Developer
May 2026Data
Devoxx UK 2026
Your GPU misses pixels: 3D world-building with OSS
May 2026Mind the Geek
Devoxx Morocco 2024
Making your own Testcontainers module for fun and profit!
October 2024Development Practices
Devoxx Morocco 2024
Developer productivity for apps with AI
October 2024Data & AI
Devoxx Poland 2024
Making your own Testcontainers module for fun and profit!
June 2024Development Practices
Devoxx UK 2024
Smooth Sailing in the Cloud-Native Storm: Tools for better confidence in microservices development
May 2024Development Practices▶ Watch
Voxxed Days Zurich 2024
Avoid mastering Kubernetes for local development with Dapr and Testcontainers.
March 2024Architecture
Devoxx Belgium 2023
Fake it until you `make it`. API integration testing with WireMock and Testcontainers
October 2023Build & Deploy▶ Watch
Devoxx Poland 2023
Rethinking integration testing with Testcontainers
June 2023Development Practices
Devoxx Poland 2023
Say it works on my machine one more time... I dare you!
June 2023Development Practices
Devoxx UK 2023
Making your own Testcontainers module for fun and profit!
May 2023Dev Craft
Voxxed Days Bucharest 2023
Rethinking integration testing with Testcontainers
March 2023Development Practices
Voxxed Days Bucharest 2023
Testing cloud-native applications with ease!
March 2023Build & Deploy
Devoxx Belgium 2022
Mastering Testcontainers
October 2022Development Practices▶ Watch
Devoxx Poland 2022
Removing complexity from integration tests using Testcontainers!
June 2022Development Practices
Devoxx UK 2022
Rethinking integration testing with Testcontainers
May 2022Development Practices
Devoxx Ukraine 2021
Productivity, Sustainability, and Fun in modern Java
November 2021Engineering Culture
Devoxx UK 2021
Cloud native Java microservices with GraalVM native image
November 2021java
Devoxx Belgium 2019
Graalvm native images explained
November 2019Java Language▶ Watch
Devoxx Belgium 2019
Graalvm native images explained
November 2019Java Language▶ Watch
Devoxx Belgium 2019
Everything you need to know about graalvm
November 2019Java Language▶ Watch
Devoxx Poland 2019
New opportunities for java developers with graalvm
June 2019Programming languages▶ Watch
Devoxx UK 2019
Graalvm: run programs faster everywhere
May 2019Java Language
Devoxx UK 2019
Hack session: fast and easy polyglot for everyone with graalvm
May 2019Programming languages
Devoxx UK 2019
Mini lab - graalvm hands-on quick-start
May 2019Programming languages
Devoxx Ukraine 2018
Java developer's introduction to graalvm
November 2018Server Side▶ Watch
Devoxx Ukraine 2018
Graalvm & java optimisations: abstractions without regret
November 2018JVM Languages▶ Watch
Devoxx Belgium 2018
Graalvm: run programs faster anywhere
November 2018Programming languages▶ Watch
Devoxx Belgium 2018
Deep dive into using graalvm for java and javascript developers
November 2018Programming languages▶ Watch
Devoxx Poland 2018
Ten things you can do with graalvm
June 2018lang▶ Watch
Devoxx Belgium 2017
What if everything was a database?
November 2017Programming languages▶ Watch
Devoxx Belgium 2017
The java council
November 2017Methodology & Culture▶ Watch
Devoxx US 2017
How to create a new jvm language in under an hour
March 2017lang▶ Watch
Devoxx US 2017
Maven v gradle: dawn of project automation
March 2017cloud▶ Watch
Devoxx Belgium 2015
Build it and they will come. But, will they really?
November 2015Methodology & Culture▶ Watch