New York City · Software Engineer @ First Round Capital

Elijah Lewis

Engineer building tools for small, mission-driven teams. Writer. Punk ukulele player.

hello@elijahlewis.dev·github/itsRoze·linkedin

Featured Writing

[ selected essays ]
AI Will Change UI Development

I outline a possibility on how AI can dramatically change how we do frontend development through generative UI

20247 min read
Coding as Gardening — A Journey into SaaS Productivity

Lessons learned from building a SaaS product

20234 min read
all writing →

Featured Work

[ selected projects ]

Smriti

2026

My personal Claude Code skill stack — one /begin command takes an idea to a planned, reviewed, and browser-verified change, with a human in the loop at three gates. It powers how I build everything else, including this site.

Claude CodeAI AgentsCLI

Modal

2023-Present

My first SaaS app. I never found a great productivity manager, so I built an opinionated one. Modal was designed with simplicity for the everyday user.

ReactNextJSTailwind CSSReact NativeAWSSQL

Bookish

2024

Bookish is a semantic search engine that finds books based on the semantic meaning of your query. Typical AI apps make LLMs the UI, but I was interested in other ways of using LLMs to personalize content.

AILLMNLPReactNextJSPythonHugging FaceLangChain
all work →

Publications

[ peer-reviewed ]
Early Attrition Prediction for Web-Based Interpretation Bias Modification to Reduce Anxious Thinking: A Machine Learning Study

JMIR Mental Health · 2024

Web-Based Interpretation Bias Training to Reduce Anxiety: A Sequential, Multiple-Assignment Randomized Trial

Journal of Consulting and Clinical Psychology · 2024

all publications →