Founding team jobs at startups

Hiring now: SpaceX, Speechify, CoreWeave, Braze, Zin Technologies, Inc., Varda and 2135 more

• Machine Learning Engineer, Visual Generative Models (Post-Training & Evaluation) AINunchuxSan Francisco OfficeMid levelWe build full-stack infrastructure that pushes generative media past the limits of today's hardware. We help developers and enterprises run image, video, and world models up to 100× faster and cheaper, at the same fidelity. Backed by Emergence Capital.$180K to $250KPosted Sep 5
• Founding Technical GTMOpalite HealthSan Mateo, CA, USOn-siteMid levelHelping Healthcare Providers Speak Any Language. Backed by Y Combinator.$70K to $200KPosted Sep 5
• Software Engineer, Host Assurance AIOpenAISan FranciscoMid levelBacked by Greylock, Insight and Khosla.$266K to $445KPosted Sep 5
• Sr. Director, Procurement AIOpenLoopUnited States - RemotePrincipal and upOpenLoop is the white label telehealth platform trusted by 400+ virtual care brands. Clinicians, pharmacy, diagnostics, AI — all under your brand. Backed by Techstars.Posted Sep 5
• Founding GTM AIOpenbenchmarksIN / Remote (IN)Mid levelWe help humans & agents pick tools via Independent Benchmarks. Backed by Y Combinator.$30K to $37KPosted Sep 5
• Member of Technical Staff (General Software Engineer, Infrastructure) AIPerplexitySan FranciscoSeniorBacked by AI Grant.$220K to $405KPosted Sep 5
• Sr. Strategic Partnership ManagerPlugLos AngelesOn-siteSeniorEnter your VIN or plate and get a real cash offer in minutes. No fees, free nationwide pickup, and secure payment. 1,500+ EV owners trust Plug. Backed by Lightspeed.$150K to $175KPosted Sep 5
• Supervisor, PorterSpaceXBastrop, TXOn-siteMid levelSpaceX designs, manufactures and launches advanced rockets and spacecraft. The company was founded in 2002 to revolutionize space technology, with the ultimate goal of enabling people to live on other planets. Backed by Kleiner Perkins, a16z and Founders Fund.Posted Sep 5
• Sr. Growth Marketing Manager, Paid Social Media AISunoNYCOn-siteSeniorCreate stunning original music for free in seconds using our AI generator. Make your own masterpieces, share with friends, and discover music from artists worldwide. Backed by Lightspeed, IVP and Menlo.$145K to $170KPosted Sep 5
• Accounting Manager (First Hire)TwentyArlington, VAOn-siteSeniorThe #1 Open Source CRM for modern teams. Modular, scalable, and built to fit your business. Backed by Y Combinator.$125K to $250KPosted Sep 5
• Senior Accountant (First Hire)TwentyArlington, VAOn-siteSeniorThe #1 Open Source CRM for modern teams. Modular, scalable, and built to fit your business. Backed by Y Combinator.$120K to $188KPosted Sep 5
• Automation Software Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$114K to $131KPosted Sep 5
• Electrical Engineering Intern, High Frequency Power Electronics - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$108K to $126KPosted Sep 5
• Electrical Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$108K to $126KPosted Sep 5
• Embedded Software Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$114K to $131KPosted Sep 5
• Fab Software Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$114K to $131KPosted Sep 5
• Infrastructure Software Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$114K to $131KPosted Sep 5
• Mechanical Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$108K to $126KPosted Sep 5
• Packaging Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$108K to $126KPosted Sep 5
• Process Engineering Intern - Summerfab2.comAustinOn-siteInternshipfab2 builds the hardware and software needed to make chips, fabs, tools, and components. Backed by Eclipse Ventures.$108K to $126KPosted Sep 5