This Thoughtworks white paper follows PAYBACK’s real-world journey applying data mesh principles to modernize its massive, complex data estate. It presents a practical, step-by-step transformation involving cloud migration, decentralized domain ownership, and federated governance. Core components include technical streamlining via GCP, cultural change through team enablement, and managing data as products. Emphasis is placed on balancing centralized standards with domain autonomy. Iterative, business-aligned adoption—rather than big-bang rollout—is framed as essential. Ultimately, the report promotes tailored, people-first approaches for scalable, high-impact data mesh success.

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