Jay Martinez Software Engineer

I’m a software engineer building practical tools for the web and desktop, with a growing interest in systems and developer tools.

Most of my projects start with something that annoys me enough to fix it.

New York · 19

GitHub LinkedIn Writing

Experience

  1. Remote

    Fortune Collective

    Current

    Software Engineer Contract

    Early engineer on a 5–10 person crypto research team serving 200+ paying customers.

    • Accelerated data filtering by approximately 83% by building crypto research tools used by the team and select customers, incorporating customer feedback while pulling token, market, and on-chain data from multiple APIs.
    • Reduced hours of manual wallet investigation to as little as 30 seconds by building data pipelines and pattern-detection tools that analyzed 10K+ transactions across 500+ wallets and millions of dollars in on-chain volume.
    • Cut token research time by approximately 90% by automatically aggregating social activity, official sources, and news coverage.

Projects

  1. JAM CodeA local-first desktop workspace for coding agents, with projects, chats, terminals, a browser, and Git review in one place.TauriReactTypeScriptDemo ↗GitHub ↗Desktop software2026
  2. RelayAn end-to-end encrypted browser sync system for tabs, windows, and tab groups across devices.TypeScriptReactCloudflare WorkersDemo ↗GitHub ↗Browser extension2026
  3. InsyghtA desktop-focused Valorant tracker for match history, player profiles, notes, lists, and analytics.Next.jsTauriRustDemo ↗Desktop software2026
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Technologies

Languages

TypeScriptJavaScriptPythonSQLHTML/CSS

Frameworks

ReactNext.jsTailwind CSSFastAPINode.js

Tools

PostgreSQLSQLiteSupabaseGitDockerLinuxCloudflare WorkersDurable Objects

Recent writing

Notes from the workbench will collect here soon.

Writing archive