Dive deep into Infrastructure as Code (IaC) for establishing Internal Developer Platforms (IDPs) in large companies, including financial services firms, in this 21-minute presentation. Explore IaC's critical role in platform engineering, learn strategic steps for building dedicated teams, and gain insights into team composition and collaboration approaches. Examine practical examples and case studies illustrating IaC tool applications for constructing bespoke IDPs. Discover how to design infrastructure blueprints catering to diverse team needs, fostering agility and autonomy. Address challenges in ongoing maintenance and evolution of these platforms, and learn strategies for ensuring long-term sustainability and adaptability of IaC-driven infrastructure.