- Together For Talent (San Francisco, CA)
- Founding Frontend Engineer | AI-Empowered Unified...Flexible time-off policy If you're a Frontend Software Engineer ready to own and build out a ... growing companies stay aligned and transparent. What You'll Do Develop and launch frontend features and user interfaces Collaborate with our designer to refine and… more
- Together For Talent (San Francisco, CA)
- A growing software startup in San Francisco is seeking a Founding Frontend Engineer to develop cutting-edge AI features and language models. The ideal ... candidate has at least 3 years of frontend engineering experience, is proficient in React and TypeScript, and thrives in a dynamic startup environment. This role… more
- Ironflow AI Inc. (San Diego, CA)
- …Why This Role Matters Our product lives and breathes through its interface. As our founding frontend engineer , you'll define the user experience for a system ... that thinks, reasons, and acts alongside the people who build , protect, and defend our way of life. We're...and developer velocity What You Bring 5+ years of frontend or full-stack experience in modern web applications Deep… more
- DRH Search (New York, NY)
- We're assisting a well-funded startup in the healthtech space with their search for a founding frontend engineer . Their AI platform enables doctors to launch ... UI components and animations that feel "consumer‑grade" yet meet HIPAA standards. Build real‑time chat, push notifications, secure file upload, and offline support.… more
- Tryflint (San Francisco, CA)
- … #2 at Vooma (YCS23). Every single member of the Flint team has been a founding engineer / founder. Early stage best practices are in our team's DNA. Because ... the next generation of websites: ones that can constantly build and optimize themselves based on visitor behavior and...Levine, Accel Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at… more
- Second Renaissance (San Francisco, CA)
- …making credit a human right, not a privilege. About the role We're looking for a frontend engineer to lead the development of our World MiniApp, which is a ... del mes"-the month's salvation. Undercollateralized lending at scale. As borrowers build trust, default rates have approached zero. Word spreads: 140,000 people… more
- Clarify (Seattle, WA)
- About the role You'll join Clarify as a founding Frontend Engineer , building the interfaces that bring AI to life for sales teams. You'll craft how users ... frontend architecture. What you'll do Create interfaces that build user trust in AI. Architect frontend ...that build user trust in AI. Architect frontend systems enabling team velocity and quality. Define API… more
- Wordware (San Francisco, CA)
- …visual sense - you can make things look good without a designer. Been a founding frontend engineer and established standards from scratch. The Process We ... truly exceptional candidates. What You'll Do You'll own the frontend of Sauna - shipping interfaces that feel instant,...we move fast from here. 45-minute technical interview You build a small full-stack app. We're looking for fluency,… more
- Fabrion (San Francisco, CA)
- Frontend Engineer (with familiarity of full stack) ( Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + ... in deep industrial use cases. We're looking for a frontend engineer who's excited to bring clarity...language of a next-generation SaaS platform. Responsibilities Design and build scalable, performant, and accessible frontend components… more
- Fabrion (San Francisco, CA)
- A tech startup in the San Francisco Bay Area is seeking a Frontend Engineer to design and build user-friendly interfaces for their AI-native data platform. ... This role involves working closely with the founding team on scalable frontend components, contributing to design patterns, and visualizing complex datasets.… more
- DRH Search (San Francisco, CA)
- …Flow Experience building and maintaining ARIA-compliant, reusable component libraries Knowledge of frontend build systems (eg, Vite, Webpack) Deep CommonJS & ESM ... their SF or NYC office. What you'll do: Design, build , and maintain scalable frontend systems using...TypeScript. Previous experience as an early startup employee (founder, founding team), an engineer at a reputable… more
- Sierra (San Francisco, CA)
- …Sierra, we're building a platform to enable every company in the world to build their own autonomous AI agents for everything from customer service to commerce. We ... earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where...design teams for Google Workspace. What You'll Do: Own frontend across product and marketing surfaces : You will… more
- Tryflint (San Francisco, CA)
- …at URLs like companysite.com/campaign-name The role As our Founding Product Engineer , you'll architect and build engaging user experiences, shaping the ... single member of the Flint team has been a founding engineer / founder. Early stage best...defining the next era of the internet. Role scope: Frontend engineering: Architect and build the core… more
- Recruiting From Scratch (San Francisco, CA)
- …Responsibilities Serve as the first product engineer , working directly with the founding team to design, build , and ship customer-facing features. Shape core ... Experience with AI/LLM agents, LangChain, or building evaluation pipelines. Prior founding engineer or early-stage startup experience. Background in designing… more
- Tryflint (San Francisco, CA)
- … #2 at Vooma (YCS23). Every single member of the Flint team has been a founding engineer / founder. Early stage best practices are in our team's DNA. Because ... the next generation of websites: ones that can constantly build and optimize themselves based on visitor behavior and...Levine, Accel Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at… more
- Tryflint (San Francisco, CA)
- …customer's top-level domain, on a subfolder at URLs like companysite.com/campaign-name The role As Founding Software Engineer , you'll build the systems that ... the next generation of websites: ones that can constantly build and optimize themselves based on visitor behavior and...single member of the Flint team has been a founding engineer / founder. Early stage best… more
- Retell AI (Redwood City, CA)
- …of the top ranking startups on: https://leanaileaderboard.com/ ABOUT THE ROLE As a Senior Frontend Engineer , you'll shape the user experience of our AI voice ... we're looking for bold, ambitious people to help us build the gold standard for voice automation. If you...focusing on React and TypeScript, and collaborate with the founding team to deliver fast, beautiful, and scalable solutions.… more
- Weekday AI (San Francisco, CA)
- …and more, we've raised over $5M to bring this vision to life. About the Role - Founding Full-Stack Engineer As a Founding Full-Stack Engineer , you'll be ... required, but O-1 visa sponsorship is possible for exceptional candidates. What You'll Do Build an AI-powered paywall editor used by millions of users daily - from… more
- Aeone (Bellevue, WA)
- … the future of marketing tech - powered by cutting-edge AI. We're looking for a founding engineer who wants to own the technical vision and lead engineering from ... within 6 months. Job Description The Role You will build Aeone's web and mobile applications from the ground...the tech stack, and writing production-quality code for both frontend and backend. You'll also set up databases, establish… more
- Buildwithfern (New York, NY)
- …shape the product through hands‑on feedback. What you'll do: As a Frontend Engineer at Fern, you'll own and build core user-facing features for our developer ... startup scales with visibility into product, engineering, design, and go-to-market. Thinking of founding a startup someday? This is the place to learn. High trust… more
