Honestly the post for https://grep.app https://grep.app that was posted a few days ago is a perfect example of demonstrating what you can do. He had the CTO of

Honestly the post for https://grep.app https://grep.app that was posted a few days ago is a perfect example of demonstrating what you can do. He had the CTO of GitHub reach out to him publicly. I'm pretty sure if you can demonstrate how you can orchestrate a cluster of Elasticsearch nodes, it will go a long way. And if you can contribute to the many discussions they have about Elasticsearch in their issues, it will go a long way to demonstrate your domain knowledge. As for Lucene, I wouldn't invest any time in contributing to it, as it has been iterated on for over a decade by very smart people. Just build something with Lucene or build something like https://grep.app https://grep.app