Frontend Technical Lead
About the job
- At least 4 years of frontend engineering experience building complex, user-facing applications.
- In-depth experience with JavaScript, TypeScript, React, Next.js, and other modern frontend technologies.
- Strong product and design intuition.
- Build the frontend for the default open-source chat interface, enterprise search platform, and agent builder.
- Develop the core search and chat experience, including its user interface and user experience, animations, and performance.
- Build features including workspace search, internet search, code interpreter, artifacts, and deep research.
- Collaborate closely with the design team and founders.
- Set frontend priorities and best practices.
- Build a strong design and frontend engineering culture.
- Foster the open-source community and guide contributors adding to the frontend.
- Familiarity with Python and PostgreSQL.
- A degree in Computer Science or a related technical field.
- Previous experience as a founder or early engineer at a seed- or Series A-stage startup.
About the company
Onyx is a mobile AI-powered personal trainer for at-home workouts. It uses the smartphone camera to track movements, automatically counts reps, and provides real-time feedback on form to prevent injuries and improve effectiveness. It offers personalized workout plans aligned with goals like strength, muscle building, or weight loss, and it tracks progress over time. Its differentiator is real-time form correction and rep counting through computer vision, combined with integrated coaching and progress tracking in one app to support safer, more effective workouts.
Company Size
11-50
Company Stage
Seed
Total Funding
$10.1M
Headquarters
San Francisco, California
Founded
2023
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Simplify's Take
What believers are saying
- Zoom acquisition on September 23, 2026 gives Onyx enterprise reach and sales muscle.
- Self-hosting fits regulated buyers like NASA, Ramp, and universities demanding data sovereignty.
- Open-source positioning keeps developer adoption strong while customers pilot agentic search.
What critics are saying
- Zoom's September 23, 2026 acquisition strips Onyx's independence and startup upside.
- Microsoft and Google bundle enterprise search into existing workflows, compressing Onyx's pricing power.
- If Zoom prioritizes proprietary bundling, Onyx's open-source community loses trust quickly.
What makes Onyx unique
- Open-source, self-hosted enterprise search gives buyers data-control Zoom now values.
- March 12, 2025 seed from Khosla and First Round validated product-market fit.
- YC W24 pedigree and 30,000-developer community widen distribution beyond classic SaaS.
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Benefits
- Remote Work Options
- Flexible Work Hours
- Unlimited Paid Time Off
- Paid Vacation
- Health Insurance
- 401(k) Retirement Plan
- 401(k) Company Match
- Wellness Program
- Mental Health Support
- Conference Attendance Budget
- Professional Development Budget
- Stock Options