What I Wish I Knew About Onboarding Effectively

Practical advice for mid-to-senior tech professionals starting a new role. Key principles include owning your onboarding rather than relying on your manager, adopting a beginner's mindset, resisting the urge to change things too quickly, and investing in both technical and cultural/relationship learning. A structured 100-day plan framework is outlined with milestones covering learning, relationship-building, and deliverables across the first week, month, and quarter. Shipping early wins is emphasized as a trust-building mechanism, while improving the onboarding process for future hires is highlighted as high-leverage work.