Yappin preview

Yappin

A structured conversation card platform designed to encourage intentional real-life discussions through curated prompts and controlled interaction flows.

Founder / Full-stack EngineerLiveNext.jsTypeScriptFastifyPostgreSQLTailwindCSS
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Context

People often struggle to start meaningful conversations in real life. I wanted to create a lightweight digital tool that lowers the barrier to open dialogue without overcomplicating the experience.

Approach

Designed a card-based interaction model with explicit API contracts and predictable request flows to keep conversation sets manageable and extensible. Intentionally constrained the core domain to avoid feature sprawl, prioritizing clarity, validation discipline, and long-term maintainability over rapid feature expansion.

Highlights

  • Defined clear API boundaries and validation rules to keep conversation flows predictable and extensible.

  • Implemented structured data models and authentication flows to support curated conversation sets.

  • Built a mobile-first responsive UI optimized for focused, distraction-free interaction.

  • Established backend structure that can evolve safely without introducing premature abstraction or hidden coupling.

  • Balanced product simplicity with extensibility to allow future expansion without re-architecting core flows.

  • Structured backend routing and validation layers to support predictable feature iteration without introducing hidden coupling.

Trade-offs

  • Chose simplicity over feature richness to keep user experience focused.

  • Delayed advanced analytics to prioritize stable core interaction flows.