Onboarding - Mattermost Handbook

Mattermost's comprehensive onboarding handbook presents a structured approach to integrating new team members through a 30/60/90-day framework that balances learning, mastery, and contribution. The resource emphasizes shared responsibility between new hires, managers, and the company while embedding core leadership principles like ownership, customer obsession, and high-impact thinking from day one. Engineering leaders will gain insights into creating consistent onboarding experiences that enable early contribution through regular check-ins, feedback loops, and the 'slow is smooth, smooth is fast' philosophy for sustainable performance.