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Kos Wesołowski

Kos Wesołowski

Kos is a Senior Software Engineer @Codility. He likes to code, write and tweet on all things dev, gaming and more.

Game Development, JavaScript and Codility

Rafał Ruciński knows how to build games, tiny 13kb games using just JavaScript. He is a competitive coder and speaks about how he got into js13k, and Codility.