Skip to content
OnyxOnyxSan Francisco, CA

Technical Lead, Frontend

Lead frontend development for open-source GenAI chat interface, search platform, and agent builder. Build exceptional UI/UX features like search, code interpreter, and artifacts; set standards and foster community. Requires 4+ years experience with React, NextJS, TypeScript.

200k – 400k/yr
On-site4+ YOEFrontend Engineering

About the role

Responsibilities

  • Build the frontend for the default open-source chat interface, enterprise search platform, and agent builder.
  • Create beautiful core search and chat experience (animations, speed, etc.).
  • Implement features like workspace search, internet search, code interpreter, artifacts, deep research.
  • Collaborate closely with the design team + founders.
  • Set frontend priorities and best practices.
  • Build an exceptional design / frontend engineering culture.
  • Foster an open-source community; guide contributors on adding to the frontend.

Requirements

  • 4+ years of frontend engineering experience building complex, user-facing applications.
  • High standards for your work and others.
  • 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.

Nice-to-Haves

  • Familiar with Python, Postgres.
  • Degree in Computer Science or related technical field.
  • Previous founder or early engineer at seed/series-A startup.

Compensation & Benefits

  • Exceptional compensation packages.
  • Fully covered health/dental/vision.
  • Transportation reimbursement.
  • Free meals.
  • Stocked kitchen.
  • Monthly company outings.

Skills

JavaScriptTypeScriptReactNext.jsPythonPostgres
Ramp

Senior Software Engineer | Web + Design

RampNew York, NY

Senior front-end/design engineer building and maintaining Ramp.com's marketing site, brand design system, and interactive experiences using React, Next.js, and Tailwind. Requires 5+ years experience, portfolio, and cross-functional collaboration.

200k – 300k/yr
Hybrid5+ YOEFrontend Engineering
Fireworks AI

Technical Web Lead

Fireworks AINew York, NY +1

Lead technical architecture, development, and delivery of the marketing website platform built on Next.js 15, Sanity, and Vercel. Own content modeling, performance optimization, agency management, and cross-functional collaboration in a fast-paced AI startup without a dedicated PM.

200k – 230k/yr
Hybrid6+ YOEFrontend Engineering
Phantom

Frontend Engineer, Growth & Engagement Team

PhantomUnited States

Build and refine onboarding, home, and discovery experiences for a consumer crypto wallet. Work with Product, Design, Backend, and Data teams to ship polished, experiment-driven features across mobile and web.

200k – 250k/yr
Remote6+ YOEFrontend Engineering
Snowflake

Senior Software Engineer, Observe by Snowflake Frontend

SnowflakeMenlo Park, CA

Builds interactive, data-rich UIs with React, TypeScript, and Vega, integrating LLM features like natural language querying and AI-assisted storytelling. Leads feature delivery for AI-powered observability platform, requiring 7+ years experience and frontend performance expertise.

200k – 288k/yr
On-site7+ YOEFrontend Engineering
Confido Legal

Senior Frontend Engineer

Confido LegalNew York, NY

Builds and scales frontend architecture for Confido's platform, creating intuitive UIs for financial workflows, dashboards, and data visualization. Requires 4+ years experience with React and strong UI/UX skills.

200k – 280k/yr
On-site4+ YOEFrontend Engineering