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Jim Jeffers
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Work

Selected projects in AI, full-stack engineering, and product development.

  • Clarus

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    An AI writing app designed for creative writers — helping authors find their voice, sharpen their prose, and move past blocks without losing authorial control.

    Founder & Lead Engineer · 2024–Present
    • TypeScript
    • React
    • Astro
    • Claude API
    • Node.js
    • Tailwind CSS
  • eDNA Explorer

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    eDNA Explorer

    The platform has turned 15.6K environmental samples into a window on the living world: 836.5M taxonomic assignments and 253.5K unique organisms catalogued in service of conservation and biodiversity science.

    CTO · 2023–Present
    • TypeScript
    • React
    • Python
    • PostgreSQL
    • FastAPI
    • pgvector
    • +3
  • MBARI LRAUV Pilot Dashboard

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    Monterey Bay Aquarium Research Institute

    A real-time command and telemetry dashboard for MBARI's Long-Range Autonomous Underwater Vehicle fleet — giving scientists and pilots live visibility into mission data at sea.

    Technical Lead · 2022–Present
    • React 19
    • TypeScript
    • Vite 6
    • TanStack Router
    • React Query
    • MSW
    • +2
  • Educator PRO Connect

    ↗

    Maricopa County School Superintendent

    The platform has successfully coordinated career events impacting 70,000+ students in Maricopa County over 6 years and counting.

    Sole Developer · 2020–Present
    • TypeScript
    • React
    • Python
    • FastAPI
    • PostgreSQL
    • pgvector
    • +5
  • ProCal

    NPACT / Revolution Entertainment

    A production scheduling platform for the entertainment industry, built from scratch and scaled over 7 years to serve 3,000+ users and 400,000+ events at Netflix, BBC Studios, Blumhouse, and Sony Television.

    Sole Developer & Architect · 2016–2023
    • React
    • TypeScript
    • Konva
    • AWS Lambda
    • PostgreSQL
    • PDF Generation
    • +1
  • Air Arizona

    Arizona Department of Environmental Quality

    A cross-platform mobile app giving Arizona residents real-time air quality data, hourly forecasts, and geofenced health alerts — built for the Arizona Department of Environmental Quality.

    Lead Developer · 2021–2024
    • React Native
    • TypeScript
    • GraphQL
    • AWS
    • Expo
    • Mapbox
    • +1

© 2026 Jim Jeffers. All rights reserved.
Written in Clarus and delivered Astro.