Technical Lead, Frontend
OnyxSan FranciscoPosted 21 February 2026
Job Description
💥 Your impactOnyx is a popular open source project with hundreds of thousands of users. The project has over 13K stars and over 3K community members across Slack and Discord (these stats may already be out of date when you read this). You’ll have the opportunity to build in the open and your work may be used by millions of people in the future.💡 About the roleAs an early hire, you'll play a pivotal role in shaping the core product. Help us become the biggest “GenAI for work” application in the world!You’ll be:Doing everything frontend for the default open-source chat interface, enterprise search platform, and agent builder. Some specific features:Beautiful core search and chat experience (animations, speed, etc.). Think building the UI/UX layer for Perplexity AND ChatGPT in one.Huge feature set: workspace search, internet search, code interpreter, artifacts, deep research, and so much moreCollaborating closely with the design team + foundersSetting frontend priorities and best practicesBuilding an exceptional design / frontend engineering cultureFostering an open-source community; guiding contributors on adding to the frontendThis is an in-person role based in San Francisco, CA.🚀 You’ll be successful if you have…4+ years of frontend engineering experience building complex, user-facing applicationsHave an incredible bar for yourself and for others. You want your work to be exceptional, and accept nothing less.In-depth experience with JavaScript, TypeScript, React, NextJS and other modern frontend technologiesExcellent communication skills and ability to collaborate with cross-functional teamsStrong product/design intuition.⭐ Bonus pointsFamiliar with Python, PostgresDegree in Computer Science or related technical fieldPrevious founder or early engineer at seed/series-A startup🤝 Why you should join usYou like working with brilliant (yet humble), thoughtful, and collaborative peopleGreat benefits including fully covered health/dental/vision and transportation reimbursementFree meals — We have our Mix’t loyalists and a rebel faction of unhealthy eatersStocked kitchen with drinks, snacks, matcha and an espresso machineMonthly company outings (bike rides to Mt. Tamalpais, escape rooms, etc.)We enjoy friendly competition — we built an internal ELO system to find the best ping pong players on the teamExceptional compensation packages for exceptional people
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