Javier Sánchez VadilloEmail
Independent Product PracticeSelected Work · Current File

I turn stubborn ideas into shipped products.

On the Workbench / NotCode

Walk away. The agent will find you.

A native macOS companion that routes coding-agent attention without routing your code.

Open NotCode
System diagram · attention routing, not a product screenshot

01 / Work Ledger

Six Products. One Bias: Make It Real.

Selected founder work, product systems, and open-source contributions.

  1. Creator · product · native macOS

    NotCode

    Leave the coding agent. Keep the signal.

    A native macOS menu-bar companion that alerts you locally—or by privacy-minimized WhatsApp status—when Claude Code, Codex CLI, or Cursor needs attention.

    • Native Swift menu-bar app with standalone hooks for 3 coding agents
    • Presence-aware local sound and optional WhatsApp status
    • Free, MIT-licensed, and built to chain with existing configuration

  2. Founder · product · full-stack

    Unicourse

    A marketplace where top students teach what they know.

    A campus-first learning product where standout students package university-aligned courses for their peers.

    • Course authoring and approval workflows
    • Stripe storefront with split payouts
    • Creator and administrator analytics

  3. Founder · product · AI integrations

    Graphv0

    Turn an unruly CSV into a chart worth showing.

    A focused, one-off purchase flow that interprets uploaded data and returns polished visualisations for decks or live embeds.

    • Prompt pipelines for messy datasets
    • Dynamic chart composition and sharing
    • Single-payment delivery flow

  4. Product · integrations · UX flows

    Called

    Scheduling shaped like a conversation.

    A calendar-native assistant that interprets requests, books meetings, and drafts follow-ups around a connected Google Calendar.

    • Natural-language scheduling interface
    • Clerk and Google OAuth account model
    • Stripe billing experiments

  5. Open-source contributor

    OpenCut

    Fast video editing in an open codebase.

    Community contributions to timeline tooling, export stability, and interface polish inside a high-velocity open-source editor.

    • Keyframe scrubbing and preview work
    • Panel-layout refinements
    • Quality-of-life changes alongside maintainers

  6. Creator · developer experience

    DataLighthouse

    Analytics building blocks for Next.js teams.

    A reusable starter for teams that need clear data storytelling inside their product without rebuilding a dashboard system.

    • Responsive chart primitives
    • Theme-aware component system
    • Supabase and server-action examples

02 / Practice Matrix

Direction, Delivery, Evidence.

The work moves between these 3 disciplines. None stands alone.

Founder Practice

Find the smallest credible version, ship it, and learn from the signal.

  • Narrative & scope
  • Launch systems
  • Operating cadence

Full-Stack Craft

Carry an idea through interface, application logic, billing, and delivery.

  • Next.js & TypeScript
  • Payments & identity
  • Design systems

Data Storytelling

Turn complex inputs into an interface that makes the next decision obvious.

  • Data preparation
  • Chart grammar
  • Accessible dashboards

Working Set

Tools Earn Their Place.

03 / Contact

Bring the Difficult Thing.

Product direction, full-stack builds, and focused collaborations for ideas worth making concrete.

javiersvadillo@gmail.com
Direct emailNo contact funnel