{"schemaVersion":"jobsearcher.job.v1","id":"7a2e7b234adf8cd197f3fe4d","url":"https://jobsearcher.com/jobs/7a2e7b234adf8cd197f3fe4d","canonicalUrl":"https://jobsearcher.com/jobs/7a2e7b234adf8cd197f3fe4d","title":"Founding Engineer, Full Stack","description":"About the Company\n\nWe're representing a YC-backed, early-stage AI startup building a new category of tooling: helping brands understand and shape how AI models perceive them. The product applies interpretability techniques to influence what large language models \"think\" about a brand, and it's already driving strong, fast-growing revenue with major enterprise customers. You'd be one of the first engineers on a very small, high-caliber founding team.\n\nFounded 2024 · ~5 people · Industry: AI, Marketing\n\nThe Role\n\nAs a founding engineer, you'll own product end-to-end across the full stack and help set the technical foundation as the company scales. This is a hands-on, high-ownership seat where research, infrastructure, and shipped product all sit with you.\n\nWhat you'll be doing\n\nBuilding and extending a context-management platform that powers agentic workflows across customer data, communications, and deliverables\nUsing black-box interpretability techniques to understand how LLMs form opinions about brands and competitors\nOwning features end-to-end, from customer need through research, infrastructure, and shipped product\nHelping establish engineering patterns and practices around agentic coding tools\nBuilding internal automation and custom software for clients using AI agents\n\nTech stack: Python, React, Terraform, AWS, LLMs, Claude Code\n\nRequirements\n2-5 years of full-stack engineering experience, with hands-on Python and React\nPrior experience at a high-growth startup (seed / Series A stage or later)\nDemonstrated experience building agentic or LLM-based systems\nA bachelor's degree in any field (does not need to be computer science)\nStrong communication skills - able to explain technical work clearly to non-technical stakeholders and collaborate on a small team\nBased in or willing to relocate to San Francisco for full-time on-site work\nNice to Haves\nDeep technical work in ML/AI, interpretability, or research-adjacent engineering\nPublished research or scientific research experience\nEarly adopter of agentic coding tools such as Claude Code or Cursor\nWhy Join\nFounding-engineer ownership at a tiny, high-performing team defining a brand-new AI category\nReal revenue traction and enterprise customers already in production\nDirect work with an experienced, technical founding team\nCompetitive base plus meaningful early equity\nDetails\nLocation: San Francisco, CA\nWork policy: On-site, 5 days/week\nCompensation: $170K - $250K + equity\nVisa sponsorship: No new sponsorship; open to visa transfers (e.g. OPT, H-1B), with support for existing visa holders\nEmployment type: Full-time","company":"David Joseph Company","rawCompany":"david joseph company","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-29T09:15:37.018Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Founding Engineer, Full Stack","description":"About the Company\n\nWe're representing a YC-backed, early-stage AI startup building a new category of tooling: helping brands understand and shape how AI models perceive them. The product applies interpretability techniques to influence what large language models \"think\" about a brand, and it's already driving strong, fast-growing revenue with major enterprise customers. You'd be one of the first engineers on a very small, high-caliber founding team.\n\nFounded 2024 · ~5 people · Industry: AI, Marketing\n\nThe Role\n\nAs a founding engineer, you'll own product end-to-end across the full stack and help set the technical foundation as the company scales. This is a hands-on, high-ownership seat where research, infrastructure, and shipped product all sit with you.\n\nWhat you'll be doing\n\nBuilding and extending a context-management platform that powers agentic workflows across customer data, communications, and deliverables\nUsing black-box interpretability techniques to understand how LLMs form opinions about brands and competitors\nOwning features end-to-end, from customer need through research, infrastructure, and shipped product\nHelping establish engineering patterns and practices around agentic coding tools\nBuilding internal automation and custom software for clients using AI agents\n\nTech stack: Python, React, Terraform, AWS, LLMs, Claude Code\n\nRequirements\n2-5 years of full-stack engineering experience, with hands-on Python and React\nPrior experience at a high-growth startup (seed / Series A stage or later)\nDemonstrated experience building agentic or LLM-based systems\nA bachelor's degree in any field (does not need to be computer science)\nStrong communication skills - able to explain technical work clearly to non-technical stakeholders and collaborate on a small team\nBased in or willing to relocate to San Francisco for full-time on-site work\nNice to Haves\nDeep technical work in ML/AI, interpretability, or research-adjacent engineering\nPublished research or scientific research experience\nEarly adopter of agentic coding tools such as Claude Code or Cursor\nWhy Join\nFounding-engineer ownership at a tiny, high-performing team defining a brand-new AI category\nReal revenue traction and enterprise customers already in production\nDirect work with an experienced, technical founding team\nCompetitive base plus meaningful early equity\nDetails\nLocation: San Francisco, CA\nWork policy: On-site, 5 days/week\nCompensation: $170K - $250K + equity\nVisa sponsorship: No new sponsorship; open to visa transfers (e.g. OPT, H-1B), with support for existing visa holders\nEmployment type: Full-time","datePosted":"2026-08-29T09:15:37.018Z","dateModified":"2026-08-29T09:15:37.018Z","hiringOrganization":{"@type":"Organization","name":"David Joseph Company","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7a2e7b234adf8cd197f3fe4d"},"url":"https://jobsearcher.com/jobs/7a2e7b234adf8cd197f3fe4d"}}