---
title: "Robert Ocasio (@rocasio) | Hashnode"
description: "Developer & Genealogist | Local-first architecture, Web Workers, and AI integration. Read the latest articles by Robert Ocasio on Hashnode."
url: "https://hashnode.com/@rocasio"
---

@rocasio

# Robert Ocasio

@rocasio · Brooklyn, NY · Joined April 2026

Developer & Genealogist | Local-first architecture, Web Workers, and AI integration.

### [Tech Tuesday: Building a Local-First Search Engine with Web Workers](https://blog.genealogix.ai/tech-tuesday-building-a-local-first-search-engine-with-web-workers?utm_source=hashnode&utm_medium=feed)

How Genealogix searches thousands of encrypted records in the browser without freezing the UI.

3 min read · [blog.genealogix.ai](https://blog.genealogix.ai/tech-tuesday-building-a-local-first-search-engine-with-web-workers?utm_source=hashnode&utm_medium=feed)

[Apr 28](https://hashnode.com/posts/tech-tuesday-building-a-local-first-search-engine-with-web-workers/69f0c4812f372dd34d8bab04)

### [Tech Tuesday: Taming React and D3.js to Render Massive Family Trees](https://blog.genealogix.ai/tech-tuesday-taming-react-and-d3-js-to-render-massive-family-trees?utm_source=hashnode&utm_medium=feed)

How we built smooth, interactive Pedigree, Fan, and Bowtie charts for Genealogix.

3 min read · [blog.genealogix.ai](https://blog.genealogix.ai/tech-tuesday-taming-react-and-d3-js-to-render-massive-family-trees?utm_source=hashnode&utm_medium=feed)

[Apr 21](https://hashnode.com/posts/tech-tuesday-taming-react-and-d3-js-to-render-massive-family-trees/69e789fc21446e490563322b)

### [Tech Tuesday: How Genealogix Stores Your Data Without a Cloud Database](https://blog.genealogix.ai/tech-tuesday-how-genealogix-stores-your-data-without-a-cloud-database?utm_source=hashnode&utm_medium=feed)

Deep dive into IndexedDB, encrypted .gnlx bundles, and managing the AI generation lifecycle.

4 min read · [blog.genealogix.ai](https://blog.genealogix.ai/tech-tuesday-how-genealogix-stores-your-data-without-a-cloud-database?utm_source=hashnode&utm_medium=feed)

[Apr 15](https://hashnode.com/posts/tech-tuesday-how-genealogix-stores-your-data-without-a-cloud-database/69def35391716f3cfb93ebb7)

### [Vibe-Coding My Family Tree: The Birth of Genealogix](https://blog.genealogix.ai/vibe-coding-my-family-tree-the-birth-of-genealogix?utm_source=hashnode&utm_medium=feed)

Blending computer science with family history to build a privacy-first, AI-powered platform

5 min read · [blog.genealogix.ai](https://blog.genealogix.ai/vibe-coding-my-family-tree-the-birth-of-genealogix?utm_source=hashnode&utm_medium=feed)

[Apr 12](https://hashnode.com/posts/vibe-coding-my-family-tree-the-birth-of-genealogix/69dc1844aadf1107e23a825c)