{"schemaVersion":"jobsearcher.job.v1","id":"91077eeb6c3ee620972fedaf","url":"https://jobsearcher.com/jobs/91077eeb6c3ee620972fedaf","canonicalUrl":"https://jobsearcher.com/jobs/91077eeb6c3ee620972fedaf","title":"Senior Fullstack Engineer","description":"# Senior Fullstack EngineerFull-timeSan Francisco, CA · Hybrid$220,000–$280,000/yr## About the role### RoleKunya is building an all-in-one AI platform: chat, images, video, voice, workspaces, and agents. We’re looking for a **Senior Fullstack Engineer** who can build fast, think clearly, and own meaningful parts of the product from idea to production.This role is based in **San Francisco** with a **hybrid** setup. You’ll work closely with a small team building AI-native software for people who want more leverage, more speed, and better tools.### What you'll do* Build and ship high-impact features across frontend, backend, APIs, and internal systems* Work closely with product and design to create intuitive experiences around powerful AI capabilities* Improve performance, quality, and reliability in core user journeys* Help design systems that support rapid product iteration without collapsing under complexity* Contribute across chat, media, voice, workspace, and agent-oriented product areas* Help raise the engineering bar through strong execution and technical judgment### Why this role mattersWe believe AI should expand human agency, not shrink it. That only happens if the product is genuinely useful, fast, and well-built. This role is central to making that real.### How we work* Small team, high trust* Serious ownership* Fast shipping with strong judgment* Hybrid collaboration in San Francisco## What we're looking for### What we're looking for* 5+ years of experience building and shipping production software* Strong fullstack experience across modern frontend applications and backend services* Strong product instincts and ability to work from first principles* Experience with APIs, databases, production debugging, and system design* Ability to thrive in ambiguity and turn rough direction into shipped outcomes* Strong communication and collaborative habits### You may be a fit if you* Want to own real product surfaces, not just tickets* Move quickly without sacrificing thinking* Care about product, users, and technical quality equally* Want to build in a high-agency environment with a small team### Nice to have* Experience with AI infrastructure, media systems, or agent workflows* Startup experience* Experience mentoring engineers or shaping engineering culture## Benefits & perks### What you get* Competitive salary* Equity upside* Hybrid work setup in San Francisco* High ownership and direct product impact* A small team working on meaningful AI product problems### What this is not* A heavily layered org* A ticket factory* A place where good ideas wait for permission## Other open roles### Senior Fullstack EngineerEngineeringFull-timeRemote (Global) · Remote$220,000–$280,000/yrView role### Senior Fullstack EngineerEngineeringFull-timeSingapore · Hybrid$220,000–$280,000/yrView role### Senior Fullstack EngineerEngineeringFull-timeWarsaw, Poland · Hybrid$220,000–$280,000/yrView role### Apply for this roleTakes about 2 minutes. Resume optional but recommended.\r\n#J-18808-Ljbffr","company":"Kunya Ai","rawCompany":"kunya ai","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-10-04T03:08:02.590Z","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":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Fullstack Engineer","description":"# Senior Fullstack EngineerFull-timeSan Francisco, CA · Hybrid$220,000–$280,000/yr## About the role### RoleKunya is building an all-in-one AI platform: chat, images, video, voice, workspaces, and agents. We’re looking for a **Senior Fullstack Engineer** who can build fast, think clearly, and own meaningful parts of the product from idea to production.This role is based in **San Francisco** with a **hybrid** setup. You’ll work closely with a small team building AI-native software for people who want more leverage, more speed, and better tools.### What you'll do* Build and ship high-impact features across frontend, backend, APIs, and internal systems* Work closely with product and design to create intuitive experiences around powerful AI capabilities* Improve performance, quality, and reliability in core user journeys* Help design systems that support rapid product iteration without collapsing under complexity* Contribute across chat, media, voice, workspace, and agent-oriented product areas* Help raise the engineering bar through strong execution and technical judgment### Why this role mattersWe believe AI should expand human agency, not shrink it. That only happens if the product is genuinely useful, fast, and well-built. This role is central to making that real.### How we work* Small team, high trust* Serious ownership* Fast shipping with strong judgment* Hybrid collaboration in San Francisco## What we're looking for### What we're looking for* 5+ years of experience building and shipping production software* Strong fullstack experience across modern frontend applications and backend services* Strong product instincts and ability to work from first principles* Experience with APIs, databases, production debugging, and system design* Ability to thrive in ambiguity and turn rough direction into shipped outcomes* Strong communication and collaborative habits### You may be a fit if you* Want to own real product surfaces, not just tickets* Move quickly without sacrificing thinking* Care about product, users, and technical quality equally* Want to build in a high-agency environment with a small team### Nice to have* Experience with AI infrastructure, media systems, or agent workflows* Startup experience* Experience mentoring engineers or shaping engineering culture## Benefits & perks### What you get* Competitive salary* Equity upside* Hybrid work setup in San Francisco* High ownership and direct product impact* A small team working on meaningful AI product problems### What this is not* A heavily layered org* A ticket factory* A place where good ideas wait for permission## Other open roles### Senior Fullstack EngineerEngineeringFull-timeRemote (Global) · Remote$220,000–$280,000/yrView role### Senior Fullstack EngineerEngineeringFull-timeSingapore · Hybrid$220,000–$280,000/yrView role### Senior Fullstack EngineerEngineeringFull-timeWarsaw, Poland · Hybrid$220,000–$280,000/yrView role### Apply for this roleTakes about 2 minutes. Resume optional but recommended.\r\n#J-18808-Ljbffr","datePosted":"2026-10-04T03:08:02.590Z","dateModified":"2026-10-04T03:08:02.590Z","hiringOrganization":{"@type":"Organization","name":"Kunya Ai","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"91077eeb6c3ee620972fedaf"},"url":"https://jobsearcher.com/jobs/91077eeb6c3ee620972fedaf"}}