Henry Quillin
Building Tig (YC F25)
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About Me
Hello! I’m a student in the Canfield Computer Science and Business Honors Program (CSB) at UT
Austin.
I am most proficient in Python, Go, and TypeScript but have experience in a wide range of front and
back end technologies.
I’m currently building Git for the AI era as the Co-Founder of Tig (YC F25). Previously,
I've interned at Snowflake and Bank of America, and served as CTO for OpenRate and Scraps.
Work Experience
- Raised $500k to build Git for the AI era, allowing teams to track AI contributions, blame code to prompts, and analyze AI adoption
- Built a set of Airflow operators for running Spark jobs on Kubernetes clusters, reducing customer implementation complexity from 150+ lines to ~10 lines of code; shipped to prod. and currently being used by customers including Salesforce, NIQ, and Suncor
- Reduced Snowpark Submit log retrieval times from ~3 minutes to seconds by implementing improved log handling architecture
- Architected and implemented external dependency support in Snowpark Submit using Python, Docker, gRPC, protobuf, and Snowpark APIs; unblocked enterprise workloads and delivered the feature 70% faster than scoped for a full-time engineer
- Led the development of a transparent credit marketplace featuring a bid/ask matching system and AI underwriting
- Managed and collaborated with two full-time engineers to build the platform using a T3 stack: Next, React, Expo, tRPC, and Tailwind
- Integrated infrastructure systems including NextAuth, Supabase, Vercel, Postgres, and an Azure Blob-based virtual data room
- Implemented CI/CD, end-to-end testing, and telemetry pipelines via GitHub Actions, Playwright, and Azure Application Insights
- Constructed a full-stack news alert framework using Python, Pandas, SQL, and Streamlit to notify users about high-priority events affecting monitored companies, leading to a significant reduction in news monitoring tasks for GCB bankers
- Engineered an ML email analysis tool with Python and spaCy, automating summarization, prioritization, and sentiment analysis
- Implemented a 95% accurate similarity detection model using TF-IDF scoring, text vectorization, and cosine similarity
- Built a marketplace for scrapped music, attracting esteemed artists like Grammy-nominated Wuki, Westend, and Twin Diplomacy
- Led development and managed 7 interns to build the web app using Next.js, TypeScript, Node.js, Shadcn, tRPC, and AWS infrastructure comprising features like a catalog, seller profiles, seller dashboard, payment system, admin panel, etc…
- Expanded the marketplace to over 1000 sellers and 75,000 buyers with no paid advertising; acquired by Tunebat in July 2024
- Implemented a web scraper using Puppeteer and AWS Lambda to automatically aggregate statistical data on new leads, reducing manual data entry time per lead from ~10 minutes to seconds
- Created a Node.js service hosted on AWS EC2 that monitors and archives digital content pertaining to companies in the deal flow
- Utilized the OpenAI Agents SDK to create an autonomous tool for generating weekly investor reports from the accumulated data
- Developed a full-stack internal application using Golang, GraphQL, and React to allow non-engineers to view user eligibility, which streamlined the staking eligibility customer support process and reduced their case resolution times by 26%
- Distinguished as one of the select interns to achieve a perfect 5/5 performance rating across all categories from both evaluators
- Spearheaded the development of the Artist Content Management Portal, enabling artists to efficiently upload, manage, and publish content through an intuitive interface built with TypeScript, React.JS, Redux, and Material-UI
- Promoted from intern to junior dev to part-time front-end engineer; Led two dev interns alongside my development tasks
- Assisted in both front and back-end development of an online auction platform using C#, Blazor, and .NET Core
- Followed TDD (test-driven development) methodologies and wrote unit and functional tests using Selenium and NUnit
- Served as a conduit between senior executives, internal creative and design resources, and an outside web development agency.
- Organized and managed the development pipeline using Asana and wrote acceptance criteria for new features to be sent to the development team
- Audited new features through QA testing
- Built a consumer electronics business with customers nationwide and scaled it to over $400 in revenue per day
- Outsourced tasks like photo/video advertisement and content creation, corresponded with manufacturers, ran social media and email marketing campaigns, tracked finances, managed customer service, fulfilled orders, and optimized SEO.
- Sold the business to Bloom Concepts in September 2020.
- Designed and developed an interactive data visualization application for energy power trading using Python, Pandas, NumPy, and Plotly, enabling the identification of trends in wind, solar, geothermal, and hydroelectric energy data
- Collaborated with Flatiron Bootcamp students to build web-based project using Javascript, HTML, and CSS
- Designed models and floor plans using AutoCAD, Revit Autodesk, and SketchUp.
- Contributed to a house design that won the “complete the community: a housing and urban design competition”.
- • Developed a working site map for Houston Baptist University
- Designed and rendered an altar table for St. Martin's Episcopal Church.
- Constructed building models for client presentations
Education
Bachelor of Science, Computer Science Honors
Bachelor of Business Administration, Canfield Business Honors
GPA: 4.0
Awards: National Merit Scholar - National Honor Society - Autrey Scholar’s Award - National Society of High School Scholars - Eagle Scout
Professional Skills
Languages:
Python JavaScript Go C# C++ Java TypeScript CSS HTML SQLTools:
GraphQL Node.JS React.JS Next.JS Redux .NET Core AWS Airflow Kubernetes Express NumPy Docker Git LinuxAptitudes:
Future Focused Solution-Oriented Fast Learner Self-disciplined (via YouScience Assessment)My Portfolio
AI / Voice Agents / Python
CallBuddy
Developed an AI voice agent app that automates customer service calls by navigating phone trees, waiting on hold, and executing tasks or connecting users to live agents. Showcased at SXSW and accepted into Capital Factory S25 Cohort
C / Assembly / OS Development
X86 Operating System
Built a functional x86 operating system in C and Assembly featuring core OS components including an Ext2 file system, virtual memory management, system calls, interrupts, signals, file descriptors, and mouse and keyboard drivers
Data Structures & Algorithms / Python / Pygame
Pathfinding Algorithm Visualizer
This project does exactly what it sounds like it does - visualizes algorithms. It utilizes an unweighted and undirected grid as the graph that the algorithm traverses. Click anywhere to place the start node, and click a second time to place the end node. After the start and end nodes have been placed, clicking will create a "wall" node (a node that is not traversable by the algorithms). Chose from the dropdown to select an algorithm, press start, and watch the magic happen.
Blockchain / Solidity / React.JS
Cryptocurrency Exchange
A cryptocurrency exchange to buy and sell $ETH (Ether) and $CRCO (Chrono Coin). Connects to the Metamask wallet. Built with React.JS, Solidity, Truffle, and Web3.JS.
Data Science / Python / Pandas / Dash
Data Visualization App
Interactive data visualization app for energy/power trading. Displays wind, solar, and other energy data. Created to show the growth trends categorized by prime movers.
JavaScript / HTML
PONG (with a twist)
A web-based two-player PONG game with multiple levels. As the game progresses, obstacles appear on the PONG board. As your score increases, the ball's speed progressively gets faster and the obstacles get more and more challenging to beat. Includes a sign in/logout feature utilizing local storage.
Blockchain / JavaScript / CSS / HTML
Generative art NFT collection
Currently creating a generative art NFT collection to be hosted on the Cardano blockchain network. This is one of the pieces that will be part of the collection. It uses vanilla javascript, HTML, and CSS to pack thirty five thousand circles into the frame. Every time you reload the page a completely unique piece is generated.
Electrical Engineering / C++ / Fritzing / Arduino
Arduino Projects
I've built various Arduino/Microcontroller devices. This one is a handheld Arduino asteroids game built with C++, a MAX72XX LED-Matrix display, two micro switches as buttons and an active buzzer for sound effects.
Java / Genetic Algorithms
Tetris AI
A tetris desktop application built using Java. After creating the game itself, I made a genetic algorithm that plays the game without any human input. This genetic algorithm simulates natural selection to find the most optimal placements of the tetris pieces.
See my other projects on Github
References
Henry was certainly granted the god-given gift of coding. Throughout every assignment, Henry was FAST. Software development does take time, but his speed and accuracy was impressive. I’m a leader in the software industry myself, speaking at national conferences, an author of 4 software books, and a recipient of numerous industry awards, and I recognize Henry’s potential to become one of the top tier of software engineers in the industry.
Jason Cromer
Vice President / Original Nations
jcromer@originalnations.com
Henry was proactive, reliable, diligent in his follow up, and required little supervision. Whenever I tasked him with a project, I knew his work would be completed accurately and on time. From my first interview with him through his final day, I was impressed with his professionalism and attention to detail. In addition, his friendly and courteous demeanor made him a favorite on our team from the beginning.
Andrew Lee
Senior Quantitative Researcher / Squarepoint Capital
andythomaslee@gmail.com
John Clements
Principal / Jackson Ryan Architects
jclements@jacksonryan.com
Contact
Thanks for taking the time to learn about me 😊.
Link to site
source code