Onyx

Technical Lead, Frontend

San Francisco

Get past the screening software and onto a recruiter's desk

hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.

Keywords matched to this posting
Fit score before you apply
Cover letter included

Tailor my resume for this job →

Apply from your AI assistant

Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.

See how it works

Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.

hirly's read of this role

Seniority: Lead / management
Stated salary: $200,000 – $400,000 per year
Country: US
Work mode: On-site / unstated
First seen by hirly: 28 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

💥 Your impact

Onyx 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 The project has over 13K stars and over 3K community members across Slack and Discord (these stats may already be out of date when you read this).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 role

As 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 more

Collaborating closely with the design team + founders

Setting frontend priorities and best practices

Building an exceptional design / frontend engineering culture

Fostering an open-source community; guiding contributors on adding to the frontend

This 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 applications

Have 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 technologies

Excellent communication skills and ability to collaborate with cross-functional teams

Strong product/design intuition.

⭐ Bonus points

Familiar with Python, Postgres

Degree in Computer Science or related technical field

Previous founder or early engineer at seed/series-A startup

🤝 Why you should join us

You like working with brilliant (yet humble), thoughtful, and collaborative people

Great benefits including fully covered health/dental/vision and transportation reimbursement

Free meals — We have our Mix’t loyalists and a rebel faction of unhealthy eaters

Stocked kitchen with drinks, snacks, matcha and an espresso machine

Monthly 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 team

Exceptional compensation packages for exceptional people

Original posting on Onyx's site ↗

Listed on hirly, a job board. hirly is not the employer: Onyx is hiring for this role.

Browse similar roles

Jobs in San Francisco

Want this one?

Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.

Tailor my resume for this job