• Conscious Talent (San Francisco, CA)
    An innovative health technology firm based in San Francisco is seeking a Founding Engineering Lead to drive the development of a behavioral health workflow ... automation platform. The ideal candidate will have 3-6+ years of full - stack experience, primarily in React and TypeScript, and experience with LLM tools. This… more
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  • Rockstar (San Francisco, CA)
    A mission-driven healthcare startup in San Francisco is seeking a Founding Engineer ( Full - Stack ) to lead the development of an AI-powered platform. The ... role requires strong skills in TypeScript and React, with responsibilities including end-to-end application development, feature design, and establishing early engineering processes. The ideal candidate has 2-10+ years of experience and is excited to shape the… more
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  • Conscious Talent (San Francisco, CA)
    Role Founding Engineering Lead - Full - Stack with LLM Location San Francisco Our client is building a new behavioral health workflow automation platform ... clinics throughout the United States. Position Overview As a Founding Engineering Lead , you'll work closely with...- fast, but not sloppy. Qualifications 3-6+ years of full - stack experience (ideally React/TypeScript) Experience with LLM… more
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  • Datawizz (San Francisco, CA)
    …the best model - significantly reducing costs and improving accuracy. The Role As a founding full - stack engineer, you'll own the application layer of our ... systems that interface with our ML routing and training stack . Lead architecture decisions around system design,...a great fit if you have experience with: Building full - stack web applications with modern frameworks (React,… 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 ... contracts with frontier AI labs , have a 3-person founding team , and are scaling rapidly with strong...the world's top AI research labs. Key Responsibilities Architect full - stack applications with React.js (frontend) and Python… more
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  • Seekeasy (San Francisco, CA)
    …mobile frontend engineer at Seekeasy, you'll shape the experience our users have. You'll lead development on our Expo mobile and web apps, work with product and ... and personal. Shape the product experience : As the lead on our mobile and web frontends, you'll own...lives. What you'll do Build our consumer apps : Lead development of our Expo-based mobile and web apps,… more
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  • Rockstar (San Francisco, CA)
    …something big are in the right place. Role Overview The company is hiring a Founding Engineer ( FullStack ) to work in‑person, 5 days/week, in San Francisco ... as a member of the founding team. The office is currently in Mission. This...product and engineering - making foundational decisions on the stack , infrastructure, and development practices. This person will work… more
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  • Blueberry Social (San Francisco, CA)
    …at the edge of what's possible in AI-powered product engineering. Who You Are A full - stack engineer with 3+ years of experience in AI, SaaS, or consumer apps ... Founding Engineer About Us Blueberry is building the...authentically engage millions of followers. Make foundational architecture and stack decisions that allow us to move fast today… more
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  • MLabs (San Francisco, CA)
    …mission to make it easier for teams to create meaningful moments together, and we need a founding engineer to lead the charge on our core AI systems. The Role As ... Founding AI Engineer Location: San Francisco, CA (In-person)...with AI agents, tool calling, and building autonomous systems. Full - Stack Competency: You are comfortable working across… more
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  • Amadeus Search (San Francisco, CA)
    …tools, and best practices Ideal Experience 4-8 years as a backend or full - stack engineer in high-growth startup environments Strong foundation in building 0 ... Job Title: Founding Backend Engineer - Fintech/Insurtech Infrastructure Location: San...core backend infrastructure and APIs from the ground up Lead architectural decisions and own technical outcomes across the… more
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  • Tryflint (San Francisco, CA)
    …are a product-first engineer who cares deeply about user experience. You have strong full - stack engineering experience and are excited to work across the ... single member of the Flint team has been a founding engineer / founder. Early stage best practices are...rapidly with users and translate learnings into durable features. Lead architectural decisions that set Flint's technical direction for… more
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  • Legion Health (San Francisco, CA)
    …CA US Visa Sponsorship: Open to it if you're amazing The Opportunity As Founding Lifecycle Marketing Lead at Legion Health, you'll own the end‑to‑end patient ... Today, with $3M+ ARR , we're aggressively expanding. Role Logistics Job Type: Full ‑Time Role Type: Growth Ideal Experience Level: 2+ years of experience Location:… more
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  • Plaud (San Francisco, CA)
    …work atmosphere. About the Role We\'re hiring a highly motivated and entrepreneurial Founding Backend Engineer to lead the technical execution of our "Plaud ... momentum across the company. What You Will Do Take full ownership of the technical strategy and execution for...needs. Guide the complete lifecycle of our "for Team" stack -from initial vision through to product launch-by setting clear,… more
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  • Clearpath (San Francisco, CA)
    …to one-shipping products quickly, obsessing over users, and iterating fast. Full - stack capable: Comfortable moving across frontend (React/Typescript), backend ... them through launch in the coming weeks. Define the stack . Own the technical direction, and set up scalable,...operations already in place, and take point as the lead engineer. What We Offer A founding more
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  • Dryft (San Francisco, CA)
    A tech startup in San Francisco is looking for a Founding Product Operations Lead to bridge product, engineering, and operations. This role involves hands-on ... of product features, transforming operations into systematic solutions, and leading full - stack implementations across multiple regions. Candidates should be… more
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  • Fabrion (San Francisco, CA)
    …AI Lab ( Founding Team) Location: San Francisco Bay Area Type: Full -Time Compensation: Competitive salary + meaningful equity ( founding tier) Backed by ... ML/AI Research Engineer to join our AI Lab and lead the design, training, evaluation, and optimization of agent‑native...data fabric. This isn't a prompt engineer role. It's full ‑cycle ML: from data curation and fine‑tuning to evaluation,… more
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  • Clipbook, Inc (San Francisco, CA)
    …equity and a clear path to engineering leadership as we scale. Full Notion JD: https://clipbookio.notion.site/ Founding ... & build core backend systems. Drive architectural decisions across our backend stack (Python, Node.js, PostgreSQL). Own features from concept → deployment →… more
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  • Recruiting From Scratch (San Francisco, CA)
    …directly to our customers. Candidate requirements: 3+ years of experience in full - stack software development. Fast growing startup or FANNG work experience. ... solutions and ship features for a production-ready voice agent platform. * Lead initiatives across frontend, backend, and infrastructure, with opportunities for… more
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  • Talent Search PRO (San Francisco, CA)
    …building and shipping consumer‑facing mobile and/or web applications with meaningful fullstack exposure (eg, React/TypeScript, Python, Go/Rust, Postgres, AWS, ... The Role A Technical Lead on our team is a hands‑on leadership...for candidates with breadth across multiple layers of our stack and the judgment to drive technical outcomes. We… more
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  • Upside (San Francisco, CA)
    Upside is hiring an experienced Senior/Staff Full Stack Engineer who can navigate the entire stack , from building new pages on our React dashboard, to ... revenue intelligence problems we're addressing: We seek an Senior/Staff Full Stack Engineer capable of working across...deploy critical features on our customer dashboard Own : Lead architecture and design of our tech stack more
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