J

Senior Frontend Engineer

Jack • United State
Visa Sponsorship Relocation
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AI Summary

Join a high-growth voice AI startup to build and ship React-heavy frontend features and analytics tools. You will own major architecture decisions and collaborate directly with customers and the CTO to improve UX. Requires 3-7 years of professional experience with expert-level React and TypeScript skills.

Key Highlights
High-ownership role reporting directly to the CTO in a fast-scaling AI startup
Strict requirement for expert-level React coding without AI assistance
On-site presence required in Redwood City, CA for a 6-day work schedule
Key Responsibilities
Build and ship React-heavy frontend features including prompt management tools, dashboards, and analytics.
Write production-grade React and TypeScript code without AI assistance.
Collaborate with backend and full-stack engineers on a frontend-focused team.
Work directly with customers to onboard them, debug issues, and implement UX improvements.
Own major frontend architecture decisions and iterate quickly in a high-growth environment.
Report directly to the CTO to maintain outsized ownership on a small team.
Technical Skills Required
React TypeScript
Benefits & Perks
$200K to $300K base salary
Meaningful equity
100% medical, dental, and vision coverage
$70/day DoorDash credit
$200/month wellness reimbursement
Visa sponsorship and transfers
Relocation support
Nice to Have
Node.js

Job Description


This is a rare opportunity to join one of the fastest-growing voice AI startups, recently scaling from $5M to $80M ARR with a small, high-ownership engineering team. If you want to own major product features, work directly with customers, and help shape the frontend at a company recognized by Y Combinator, a16z, and more, this could be your next big step.

What You Will Do

  • Build and ship React-heavy frontend features end to end, including prompt management tools, dashboards, and analytics.
  • Write production-grade React and TypeScript code live, without AI assistance. This is a must, and interviews include live React coding.
  • Collaborate closely with backend and full-stack engineers on a team of about seven frontend-focused developers.
  • Work directly with customers to onboard them, debug issues, and turn their feedback into real UX improvements.
  • Own major frontend architecture decisions and iterate quickly in a fast-paced, high-growth startup environment.
  • Report directly to the CTO (a co-founder) and have outsized ownership on a small team.

What Is Expected

  • You have 3-7 years of professional frontend engineering experience, with at least 3-5 years hands-on with React.
  • You are currently working as a frontend engineer with React at your core.
  • You can write expert-level React without relying on AI tools. This is non-negotiable.
  • You have production TypeScript experience, and Node.js is a plus.
  • You have spent 1.5+ years at a VC-backed startup, and held at least one role at a well-known tech company or high-growth YC startup.
  • You hold a B.S. in Computer Science, Computer Engineering, or Electrical Engineering from a top-tier university (or have strong YC/top-company experience).
  • You can work on-site in Redwood City, CA, Monday to Friday, plus remote Sundays (6-day work schedule).

What Is Offered

  • $200K to $300K base salary plus meaningful equity.
  • 100% medical, dental, and vision coverage.
  • $70/day DoorDash credit and $200/month wellness reimbursement.
  • Visa sponsorship and transfers (H-1B, TN, L-1, E-3, F-1 OPT/CPT, O-1), plus relocation support.
  • High ownership and direct impact, reporting to the CTO, in a small, ambitious team.

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