Henry Ventura

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Henry · With Unilateral Agreement

Projects

CritterOS / VillageOS 2025 Platform for GenAI Turn-Based Games

Platform for serving command-based, platform-agnostic games over Discord, Twitter, SMS, etc. CritterOS is a multiplayer tamagotchi where creatures and interactions are driven by player imagination. VillageOS was built in a single hackathon to demonstrate platform versatility beyond CritterOS.
Demo • Discord
Semantic 2025 Codebase Context Tool for AI Agents

Creates a "semantic layer" over software codebases, enabling AI coding agents to gain high-level understanding of project structure without processing every file. Generates concise, machine-readable summary files for token-efficient context.
GitHub • Announcement
Prism 2025 Codebase Context Tool for AI Agents

AST extraction and graph visualization tool for Python codebases. Uses static analysis augmented with LLM semantic intent, RAG for entry points, and pathfinding with LOD-style detail gradients. Enables LLMs to intelligently grab context from massive codebases for one-shot feature requests and bug fixes.
GitHub
Delos: Space Traffic Control 2025 Space Sim

Space traffic control simulation game built in C++ with Unreal Engine. Achieved 1000+ sales in 3 months, built community of 160+ Discord users, received publisher outreach. Includes full-stack companion apps with Node.js, NestJS, React, TypeScript, NoSQL database, and websockets.
Website
TL;DReddit 2024 Reddit User Sentiment Analysis

User sentiment analysis of Reddit threads with thousands of comments. Extracts 5 main themes, supporting/opposing arguments, and cites individual comments for comprehensive thread understanding.
Demo
Reunion 2020 Digital Short

A short film made in Unity
Video

Work

Google (contract) - Spanner Graph Notebook
August 2024 - March 2025 • Senior Full Stack Software Engineer
Led architecture and development as primary contributor to open-source visualization package serving Google's internal teams and GCP customers. Full stack development with Python/IPython/JavaScript/D3.js.
Product announcement • GitHub
Royal Division
June 2020 - December 2024 • Founder, Product and Tech Lead
Virtual-reality mech simulator in Unreal Engine (C++) featuring vehicle simulation, AI systems with GIS integration, radar/ballistics implementation, cockpit/MFD systems, and VR UX design. Built community following, awarded indie game dev award, received multiple publishing offers.
Website • Devlog
Google (contract) - Cloud SQL Insights
April 2018 - January 2020 • Full Stack Software Engineer
Sole developer on Cloud SQL Insights frontend - an entire new product page on Google Cloud built in TypeScript and Angular 2. Also helped create redesigned website for OpenCensus with technical documentation.
Product reveal • OpenCensus
Gifs.com
April 2016 - July 2017 • Full Stack Software Engineer
Built state-of-the-art browser-based video editor serving thousands of users. Created custom effects system using JavaScript and Laravel, plus Node.js backend service using ffmpeg to process animated GIFs as effects overlaid on MP4s.
Website
Philadelphia University of the Arts
September 2014 - December 2014 • Adjunct Professor
Taught JavaScript to university students.
Walnut St. Labs
September 2013 - March 2015 • Special Projects Lead
Led development on automated booking software, prototyped experimental projects for investor demos. Trained employees on technology stack and client account management. Helped run local media platform with sponsored content revenue generation.
Website