• Datawizz (San Francisco, CA)
    …to the best model - significantly reducing costs and improving accuracy. The Role As a founding full - stack engineer , you'll own the application layer of ... You might be a great fit if you have experience with: Building full - stack web applications with modern frameworks (React, Next.js, TypeScript, Node.js, etc.)… 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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  • Fabrion (San Francisco, CA)
    A technology startup based in San Francisco is seeking a Founding Engineer ( Full Stack ) to architect and build their platform. This role offers ... systems and AI-native agents. Ideal candidates will have 5+ years in full stack development, experience with modern frameworks, and a passion for building… more
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  • Weekday AI (San Francisco, CA)
    …Meta, 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 ... engineering experience with a strong track record of shipping real products. Solid full - stack skills - comfortable working across backend (Python) and frontend… 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 ... 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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  • Amadeus Search (San Francisco, CA)
    A high-growth AI infrastructure startup is seeking a Founding Full - Stack Engineer to own end-to-end features across the stack . As the fourth ... employee, you'll architect full - stack applications using React.js and Python, deploy scalable infrastructure on AWS/GCP, and help shape the engineering culture.… more
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  • DRH Search (San Francisco, CA)
    A well-funded startup in San Francisco is seeking a founding full - stack engineer to join their team. The role focuses on developing tax optimization ... products for SMBs, requiring a blend of technical expertise and startup experience. Responsibilities include technical vision contribution, feature development, and project ownership. Ideal candidates will have startup experience, a background in CS/AI, and a… more
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  • Datawizz (San Francisco, CA)
    A dynamic AI startup in San Francisco is seeking a founding full - stack engineer to own the application layer of their platform. The role involves ... building user-facing dashboards, designing APIs, and leading architectural decisions. Ideal candidates will have experience with modern frameworks like React and TypeScript, as well as cloud deployment skills. Competitive salary ranges from $50,000 to $500,000… more
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  • Zero21 (Washington, DC)
    …the lives of those in infrastructure construction exponentially better. We are looking for a Founding Engineer to join the team as we build out a product that ... believe that in order to be successful as a Founding Engineer at CloudRig, you: Take initiative...That may include: 5+ years of experience as a full - stack developer ideally working at at B2B… more
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  • Zero21 (San Francisco, CA)
    …all-in-one platform for easily improving your personal health. THE ROLE As Superpower's founding engineer , you will have a unique opportunity to shape the ... and direction of the company. We're looking for a full stack developer who is product-minded and...CEO started two prior companies worth >$500m and our founding team is ex. Amazon, YCombinator, Goldman Sachs, Harvard… more
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  • Menlo Ventures (San Francisco, CA)
    …building consumer-grade software Experience in scaling and working with enterprise clients Founding engineer experience at pre-seed through series A or B ... and drive measurable value for enterprises. Qualifications 5+ years experience in full - stack engineering, with senior-level expertise Experience building 0 → 1… more
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  • Menlo Ventures (San Francisco, CA)
    …for scalable, innovative solutions that transform how enterprises manage their spend. While full - stack in scope, this particular role will lean more toward ... indirect spend. About this role As one of our founding engineers, you will contribute to building the infrastructure...drive measurable value for enterprises. Qualifications 5+ years of full - stack development with a strong grasp of… more
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  • Asystem (San Francisco, CA)
    …the world's marketing budget. About The Role We're seeking a highly skilled and proactive Full - Stack Software Engineer to join our team full ‑time, ... and grow quickly Culture: fast‑moving, ambitious, fun, humble Responsibilities Full - Stack Development: Design, build, and maintain scalable applications… 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 and ... thrives in the ambiguity and fast pace of startup environments. A seasoned software engineer with 8+ years of experience and a track record of building and shipping… more
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  • Fabrion (San Francisco, CA)
    …one of the industry's most critical infrastructure problems. About the Role We're hiring a founding full stack engineer to help architect and build ... Founding Engineer ( Full Stack ) Location: San Francisco Bay Area Type: Full -Time Compensation: Competitive salary + meaningful equity ( founding more
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  • Amadeus Search (San Francisco, CA)
    Role: Founding Full - Stack / Platform Engineer Employment Type: Full -time, On-site Location: San Francisco, CA Compensation: $220k - $280k base + ... competitive equity Visa: Not available Company Overview Kaizen builds reinforcement learning environments that allow AI to train from its own experiences instead of relying solely on human-labeled data - a critical step toward autonomous AI and AGI. In just 5… more
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  • Amadeus Search (San Francisco, CA)
    A leading AI technology company is looking for a Founding Full - Stack / Platform Engineer in San Francisco. This role involves developing crucial ... infrastructure, internal tools, and scalable AI training systems. You will support frontier AI research through the creation of reusable systems for rapid development and deployment. The ideal candidate should be skilled in both front-end and back-end… more
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  • Rockstar (San Francisco, CA)
    …building 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 ... hires the best people and compensates them accordingly. The Founding Engineer will be an equal thought...Engineer will have major input into how the stack , process, and infrastructure are shaped as the company… more
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  • Quix Recruitment Group Ltd (San Francisco, CA)
    Role Summary We are seeking a Founding Software Engineer ( Full Stack ) to join the early‑stage team and help build high‑impact internal solutions using ... in a fast‑paced, ambiguous environment. Ideal Candidate Profile 1+ years of fullstack or back‑end engineering experience. Strong technical foundation with… more
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  • Maxima (San Mateo, CA)
    A pioneering AI startup in San Mateo is looking for a founding engineer to build their product from the ground up. You will lead full - stack development, ... requires a bachelor's degree in computer science and 4+ years of full - stack experience. Join a mission-driven team to revolutionize accounting processes and… more
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