In the context of adopting microservices architecture and cloud-native approaches, the creation of an internal developer portal is proposed as a solution to improve the developer experience, which can be negatively affected by these transitions. The article emphasizes starting with a Minimal Viable Product (MVP) for the portal to address specific, high-demand use cases that are easy to implement and provide substantial value, thereby easing the onboarding process and reducing complexity. This MVP approach should focus on reducing developer complexity, fostering a product-like experience, and integrating feedback from stakeholders to continuously iterate and improve. The portal should streamline the software development lifecycle (SDLC) by providing a centralized platform for developers to perform self-service actions without needing to switch tools, thus enhancing efficiency and reducing reliance on tribal knowledge. Additionally, the concept of a Thinnest Viable Platform (TVP) is introduced as a strategy to balance platform size with its capability to accelerate and simplify software delivery. The final goal is to create an end-to-end developer experience that covers all stages of the SDLC, ensuring developers have access to all necessary tools and information in one place.