In this talk Nikita Koselev shares his journey and insights on utilizing open source to carve out a successful career in development. He underscores the importance of focus, visibility, and active participation in open source projects, drawing attention to the necessity of making contributions visible, especially for underrepresented groups. Nikita emphasizes learning from and sharing knowledge with smart individuals, highlighting the therapeutic benefits of open source and the balance between giving and receiving. He introduces various open source communities and resources, providing practical advice on job searching and personal development.