Senior · Frontend Engineer
Senior Frontend Engineer Jobs
There are currently 75 open Senior Frontend Engineer jobs across 52 AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.
75Open roles
52Companies hiring
Jun 16, 2026Last updated
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Open Senior Frontend Engineer Roles
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Senior Front End Software Engineer, React | Anduril | Series G+ | Seattle, Washington, United States | Jun 16, 2026 |
| Senior Front End Software Engineer, React | Anduril | Series G+ | Washington, District of Columbia, United States | Jun 16, 2026 |
| Senior UI Engineer (Active Clearance) | Anduril | Series G+ | Costa Mesa, California, United States | Jun 16, 2026 |
| Senior UI Engineer, Lattice C2 | Anduril | Series G+ | Seattle, Washington, United States | Jun 16, 2026 |
| Senior UI Engineer, Lattice C2 | Anduril | Series G+ | Costa Mesa, California, United States | Jun 16, 2026 |
| Senior EMC Design Engineer, Air Vehicles | Anduril | Series G+ | Costa Mesa, California, United States | Jun 15, 2026 |
| Senior Open Source Design Engineer | Arize | Series C | Remote (United States) | Jun 15, 2026 |
| Senior Software Frontend Engineer – Dashboards | Databricks | Series G+ | Vancouver, Canada | Jun 15, 2026 |
| Senior Web Engineer | Typeface | Series B | Bellevue, WA | Jun 15, 2026 |
| Senior Design Engineer - Top of Funnel | Mercury | Series D | San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States | Jun 12, 2026 |
| Senior Product Design Engineer | Cortex | Series C | US Remote | Jun 11, 2026 |
| Senior Design Engineer | Helsing | Series D | Washington, DC | Jun 11, 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 |
| Senior Agent Design Engineer | PolyAI | Series D | United States | Jun 9, 2026 |
| Senior Front End Design Engineer (Microarchitecture) | Cerebras Systems | Series H | Sunnyvale, CA | Jun 8, 2026 |
| Senior Frontend Engineer | Truffle Security | Series B | Remote | Jun 4, 2026 |
| Senior Launch Vehicle Design Engineer I | CesiumAstro | Series C | El Segundo, CA | Jun 3, 2026 |
| Senior Valve Design Engineer I | CesiumAstro | Series C | El Segundo, CA | Jun 3, 2026 |
| Senior Frontend Engineer | Fairmarkit | Series C | Poland - Warsaw | Jun 2, 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 Frontend Engineer - Internal Tools | Alpaca | Series D | Remote (North America - Europe) | May 29, 2026 |
| Senior Wire Harness Design Engineer I | CesiumAstro | Series C | Westminster, CO | May 29, 2026 |
| Senior Wire Harness Design Engineer I | CesiumAstro | Series C | Austin, TX | May 29, 2026 |
| Senior Wire Harness Design Engineer II | CesiumAstro | Series C | Westminster, CO | May 29, 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 |
| Senior Front End Engineer | Blitzy | Series B | Cambridge, MA | May 26, 2026 |
| Senior Design Engineer | Helsing | Series D | Munich | May 21, 2026 |
| Senior RF Design Engineer | Skydio | Series F | San Mateo, California, United States | May 20, 2026 |
| Senior Frontend Engineer | Venn | Series A | Toronto | May 15, 2026 |
| Senior Frontend Engineer - Trading API | Alpaca | Series D | Remote (North America - Europe) | May 14, 2026 |
| Senior Frontend Engineer | Clockwork Systems | Series A | Onsite - Palo Alto, California | May 11, 2026 |
| Senior Frontend Engineer | 7AI | Series A | Boston, MA | May 6, 2026 |
| Senior Structures Design Engineer | Stoke Space | Series D | Kent, Washington | May 4, 2026 |
| Senior Frontend Engineer | Lago | Series A | Remote Europe | Apr 29, 2026 |
| Senior Manufacturing Design Engineer | Matic | Series C | Mountain View, CA | Apr 28, 2026 |
| Senior Frontend Engineer | Doctronic | Series B | New York City | Apr 23, 2026 |
| Senior Frontend Engineer - Platform Architecture | Sage Care | Seed | HQ | Apr 18, 2026 |
| Senior Mechanical Design Engineer | ALSO. | Series C | Palo Alto | Apr 14, 2026 |
| Senior Design Engineer | Summation | Series A | Bellevue, WA | Apr 10, 2026 |
| Sr. ASIC Design Engineer | Positron | Series B | United States (Remote) | Apr 2, 2026 |
| Senior Frontend Software Engineer | Archy | Series B | United States | Mar 31, 2026 |
| Senior Frontend Software Engineer | Archy | Series B | LATAM | Mar 31, 2026 |
| Senior Propulsion Design Engineer (R4642) | Shield AI | Series G+ | Dallas, Texas | Mar 16, 2026 |
| Senior Frontend Engineer | Ravenna | Seed | Seattle | Mar 14, 2026 |
| Senior Front End Engineer | Urban SDK | Growth | Mar 4, 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 |
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FAQ
How many Senior Frontend Engineer jobs are open at AI startups?
There are currently 75 open Senior Frontend Engineer jobs across 52 AI startups on Fast AI Jobs.
How is the Senior level determined?
Seniority is parsed from the job title. A role is included here when its title signals the Senior level (e.g. "Senior Frontend Engineer").
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.