Series A · Frontend Engineer
Series A AI Startup Frontend Engineer Jobs
There are currently 58 open Frontend Engineer jobs across 42 Series A AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.
58Open roles
42Companies hiring
Jun 10, 2026Last updated
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Open Frontend Engineer Roles at Series A AI Startups
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Mechanical Design Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Senior Electrical Design Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Senior Mechanical Design Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Design Engineer, Contract | Ambrook | Series A | Remote | Jun 9, 2026 |
| Frontend Engineer - Web (m/f/d) | voize | Series A | Berlin | Jun 3, 2026 |
| Design Engineer (Combustion Devices) | Arbor Energy | Series A | El Segundo, CA | Jun 1, 2026 |
| Design Engineer - Turbomachinery | Arbor Energy | Series A | El Segundo, CA | Jun 1, 2026 |
| Lead RTL Design Engineer | Efficient Computer | Series A | Austin, TX, Pittsburgh, PA, San Jose, CA | Jun 1, 2026 |
| Senior Mechanical Design Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 1, 2026 |
| Senior TPS Design Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 1, 2026 |
| Senior Mechanical Design Engineer - Pulsed Power | Pacific Fusion | Series A | Los Lunas, NM | May 28, 2026 |
| Senior Frontend Engineer | Daylight Security | Series A | Tel Aviv | May 27, 2026 |
| PCB Design Engineer | Omi AI | Series A | Shenzhen | May 19, 2026 |
| Senior Frontend Engineer | Venn | Series A | Toronto | May 15, 2026 |
| Senior Frontend Engineer | Clockwork Systems | Series A | Onsite - Palo Alto, California | May 11, 2026 |
| MTS - Design Engineer (iOS) | The Interaction Company of California | Series A | Palo Alto, California | May 10, 2026 |
| Design Engineer | Fireflies | Series A | Lisbon, Portugal | May 8, 2026 |
| Design Engineer | Ambrook | Series A | New York | May 8, 2026 |
| Mechanical Design Engineer - Plant Piping Systems | General Matter | Series A | Los Angeles, CA | May 7, 2026 |
| Senior Frontend Engineer | 7AI | Series A | Boston, MA | May 6, 2026 |
| Senior Frontend Engineer | Lago | Series A | Remote Europe | Apr 29, 2026 |
| Frontend Engineer | Eudia | Series A | Palo Alto, CA | Apr 29, 2026 |
| Frontend Engineer | Eudia | Series A | Bengaluru, India | Apr 23, 2026 |
| Design Engineer | Firecrawl | Series A | San Francisco, CA (Hybrid) OR Remote (Americas, UTC-3 to UTC-10) | Apr 13, 2026 |
| iOS Design Engineer | 222 | Series A | New York, NY | Apr 12, 2026 |
| Android Design Engineer | 222 | Series A | New York, NY | Apr 12, 2026 |
| Senior Design Engineer | Summation | Series A | Bellevue, WA | Apr 10, 2026 |
| Design Engineer | Tandem Health | Series A | Stockholm | Mar 18, 2026 |
| Staff Frontend Engineer | Quanta | Series A | San Francisco, CA | Feb 26, 2026 |
| Principal Electrical Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 13, 2026 |
| Senior Electrical Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 13, 2026 |
| Senior RF Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 13, 2026 |
| Staff Electrical Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 13, 2026 |
| Staff RF Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 13, 2026 |
| Electrical Design Engineer | Array Labs | Series A | Redwood City, CA | Feb 12, 2026 |
| Senior/Staff Frontend Engineer (Remote) | DualEntry | Series A | Remote (EU, LATAM, UK, NORDICS)) | Jan 31, 2026 |
| Front End Engineer | Hook | Series A | London | Jan 27, 2026 |
| Senior Frontend Engineer | StackAI | Series A | Spain | Jan 24, 2026 |
| Design Engineer, Platform | Infisical | Series A | North to South America | Jan 19, 2026 |
| Senior Frontend Engineer (Australia - AEST, Remote) | Tailor | Series A | Remote (AEST) | Jan 8, 2026 |
| Design Engineer | Delphi | Series A | San Francisco | Jan 5, 2026 |
| UI Engineer | NODA AI | Series A | Austin | Dec 26, 2025 |
| Design Engineer | Lassie | Series A | San Francisco, CA | Dec 12, 2025 |
| Antenna Design Engineer | Array Labs | Series A | Redwood City, CA | Dec 11, 2025 |
| Board Design Engineer | Array Labs | Series A | Redwood City, CA | Dec 11, 2025 |
| Frontend Software Engineer | Concourse | Series A | New York City | Nov 17, 2025 |
| Senior Frontend Engineer | GigaML | Series A | San Francisco | Oct 17, 2025 |
| Founding Design Engineer | Datacurve | Series A | San Francisco | Oct 9, 2025 |
| Senior Frontend Engineer | Datacurve | Series A | San Francisco | Oct 9, 2025 |
| Senior Frontend Engineer | Peec AI | Series A | Berlin | Oct 9, 2025 |
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FAQ
How many Frontend Engineer jobs are open at Series A AI startups?
There are currently 58 open Frontend Engineer jobs across 42 Series A AI startups on Fast AI Jobs.
Why filter Frontend Engineer jobs by funding stage?
Funding stage signals company size, runway, and equity upside. Filtering to Series A startups narrows the list to Frontend Engineer roles at companies at a comparable point in their growth.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.