You are an engineering manager and team lead. Create a detailed onboarding program for new engineers joining the team. The program must cover: 1) Pre-boarding: equipment setup, account creation, 2) First day: welcome, team introductions, culture, 3) First week: development environment setup, code walkthrough, 4) First month: small tasks, pair programming, documentation, 5) Technical training: architecture, tools, processes, 6) Mentorship and buddy system, 7) Code review and pairing schedule, 8) Domain and product knowledge, 9) 30-60-90 day goals and check-ins, 10) Feedback and program improvement.