• Second Renaissance (San Francisco, CA)
    A finance technology company in California is seeking a skilled frontend engineer to lead the development of the World MiniApp. The ideal candidate must be ... proficient in Next.js, TypeScript, and React, focusing on performance and user experience. This role offers a chance to make a significant impact on thousands of users worldwide, utilizing modern web technologies while being part of an empowering team… more
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  • 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 ... who had to do this'." - TechCrunch Imagine a world where your website launches new pages, tests creative,...Levine, Accel Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at… more
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  • Fabrion (San Francisco, CA)
    Frontend Engineer (with familiarity of full stack) ( Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + ... founding tier) Backed by 8VC, we're building a world -class team to tackle one of the industry's most...in deep industrial use cases. We're looking for a frontend engineer who's excited to bring clarity… more
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  • Second Renaissance (San Francisco, CA)
    …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 website for ... by thousands of people daily. Stack Next.js (TypeScript) React Tailwinds (shadcn) World 's MiniKit Postgres Key responsibilities Lead frontend development of our… more
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  • Sierra (San Francisco, CA)
    About us At 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 ... 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
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  • Recruiting From Scratch (San Francisco, CA)
    …Experience with AI/LLM agents, LangChain, or building evaluation pipelines. Prior founding engineer or early-stage startup experience. Background in designing ... and Europe to help them hire. Title of Role: Founding Product Engineer Location: San Francisco, CA...standard for evaluating, monitoring, and certifying AI agents in real- world deployments. With $15M in fresh funding, the company… more
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  • 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 ... who had to do this'." - TechCrunch Imagine a world where your website launches new pages, tests creative,...a subfolder at URLs like companysite.com/campaign-name The role As Founding Software Engineer , you'll build the… more
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  • 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 ... who had to do this'." - TechCrunch Imagine a world where your website launches new pages, tests creative,...subfolder at URLs like companysite.com/campaign-name The role As our Founding Product Engineer , you'll architect and build… more
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  • Amadeus Search (San Francisco, CA)
    Role: Founding Full-Stack Engineer Employment Type: Full-time, On-site Location: San Francisco, CA Compensation: $170k - $230k base + competitive equity Visa: ... contracts with frontier AI labs , have a 3-person founding team , and are scaling rapidly with strong...that support high-volume autonomous AI training workloads for the world 's top AI research labs. Key Responsibilities Architect full-stack… more
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  • Fabrion (San Francisco, CA)
    Founding Engineer (Full Stack) Location: San...founding tier) Backed by 8VC, we're building a world ‑class team to tackle one of the industry's most ... culture. You'll be writing production code across backend and frontend , defining interfaces between components, shaping devops and data...startups or autonomous roles; prior experience as a founder, founding engineer , or a 0‑1 pre‑seed startup… more
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  • 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 ... who had to do this'." - TechCrunch Imagine a world where your website launches new pages, tests creative,...Levine, Accel Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at… more
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  • FurtherAI Inc (San Francisco, CA)
    …deep AI expertise with proven company-building experience. Now, we're looking for an exceptional Frontend Engineer to join our early team and help shape both our ... Growth : Post-PMF, with revenue growing at an exceptional pace. Elite Team : Founding team includes ex-Apple AI Research, 4 ex-YC founders, and 6 ex-founders .… more
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  • HyperFi (San Francisco, CA)
    …roadmap. We're backed, focused, and delivering fast. We're looking for a Senior Frontend Software Engineer to join early. Someone who's as comfortable building ... use: fast, flexible, and built for making sense of real- world complexity. Behind the scenes is a robust, event‑driven...but. That's where you come in. We're a well‑networked founding team with strong execution roots and a clear… more
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  • Dryft (San Francisco, CA)
    world for half a century. Dryft is powering the next. THE ROLE As Founding Fullstack Engineer , you'll be the brain behind Dryft's decision intelligence. ... with modest roots and a love for the physical world - cars, machines, planes. Our team includes graduates...strong in backend & infra and comfortable shipping basic frontend features. Have built data-intensive , multi-tenant production systems… more
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  • Fabrion (San Francisco, CA)
    …Comfortable working in early-stage startups or autonomous roles, prior experience as a founder, founding engineer , or a 0-1 pre-seed startup is a big plus ... About the Role ML Ops Engineer - Agentic AI Lab ( Founding ...founding tier) Backed by 8VC, we're building a world -class team to tackle one of the industry's most… more
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  • Rethink recruit (San Francisco, CA)
    …trillion-dollar industry. Backed by top VCs and legendary angels, we're assembling a world -class team of founding engineers and researchers to architect the next ... RESTful APIs and working with relational or NoSQL databases. Familiarity with frontend component libraries and state management patterns. Proven track record of… more
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  • Seekeasy (San Francisco, CA)
    The Opportunity As a senior web & mobile frontend engineer at Seekeasy, you'll shape the experience our users have. You'll lead development on our Expo mobile ... Your decisions will guide Seekeasy's product development for years to come. Solve real- world challenges : Your work will directly impact how people discover places… more
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  • Delve (San Francisco, CA)
    …busywork for humanity - starting with compliance. About the Role We're hiring a Frontend Engineer who can turn ambiguity into product. You'll be responsible for ... features end-to-end - working directly with customers and our founding team. This is a role for someone who...like onboarding flows, customer dashboards, and AI-powered tools Own frontend systems using React, TypeScript, and Next.js Talk to… more
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  • Getclera (San Francisco, CA)
    Senior Full Stack Engineer - Founding Team About this role About Fulcrum Fulcrum is re‑wiring the insurance‑brokerage industry with AI agents that let brokerages ... plus meaningful founding ‑team equity. Why join as a Senior Full Stack Engineer ? Own the product surface. Ship end‑to‑end features- frontend , backend, and LLM… more
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  • Second Renaissance (San Francisco, CA)
    … to lead backend development, including our blockchain indexer, and contribute to the frontend of our World MiniApp. Expertise in Rust, Ethereum, and Typescript ... work used daily by many. Stack Rust Next.js (Typescript) React Tailwinds (shadcn) World 's MiniKit Key responsibilities Lead backend development of the World more
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