Leo Lännenmäki

Software Engineer
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About

Leo is a software engineer at Avrea,. He has over 15 years of experience building backend systems, game engines, and developer tools.

Previously co-founder and CTO at Matchmade, and Senior Software Engineer at Disney Interactive, where he led engineering on multi-platform games shipped on iOS, Android, and Windows Phone.

Posts by Leo Lännenmäki

21 April 2026

Benchmark: RisingWave builds 11.5x faster on Avrea than GitHub Actions

21m 40s on GitHub Actions. 10m 48s on Avrea without cache. 1m 52s with a warm sccache. That's 2x from the hardware, 11.5x once caching kicks in.
21 April 2026

Benchmark: Kafka builds 6.6x faster on Avrea than GitHub Actions

5m 44s on GitHub Actions. 2m 10s on Avrea without cache. 52 seconds with Gradle's remote cache. That's 2.6x from the hardware, 6.6x once caching kicks in.
21 April 2026

Benchmark: Bazel builds 39.7x faster on Avrea than GitHub Actions

37m 10s on GitHub Actions. 14m 4s on Avrea without cache. 56 seconds with cache. That's 2.6x from the hardware, 39.7x once caching kicks in.

Your next build can already be a fast one.

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