Founding CTO for AI/LLM Platform - SF On-site
Job Juncture
A fast-growing tech startup in San Francisco seeks a Founding CTO who will be hands-on in building core architecture and assembling a top-tier engineering team. The ideal candidate brings over 5 years of engineering experience, particularly in backend and infrastructure. Responsibilities include owning the technical vision, leading product decisions, and mentoring engineers. This position favors candidates who thrive in dynamic environments and are passionate about AI. Competitive benefits include health insurance and a gym stipend. #J-18808-Ljbffr Job Juncture
- ...: San Francisco, CA (on-site)Employment: Full-TimeAbout... ...are looking for a Founding CTO, someone who wants to be... ...the engineering team in SF.This is not a VP Engineering... ...complex systems in the world. AI finally makes it... ...backend, infra, data, and LLM-powered systemsShip fast...WebsiteRelocation
- ...Location: San Francisco, CA (on-site) About the Role We are looking for a Founding CTO, someone who wants to be... ...the engineering team in SF. This is not a VP... ...complex systems in the world. AI finally makes it possible... ..., infra, data, and LLM‑powered systems Ship fast...WebsiteFull timeWork at officeRelocation
$110k - $145k
Founding Recruiter [Onsite, SF] AI x Healthcare An AI-native health tech startup is replacing 25-year-old radiology... ...software with a modern cloud platform that 2x's radiologist revenue. This... ...meaningful upside Work Policy: On-site 5 days/week in San Francisco (Jackson...PlatformWebsite- ...About Simple Simple AI is building state of the... ...looking to hire a couple founding software engineers to... ...world, and work out of our SF based office 5 days a... ...’s co-founder matching site. Cat previously worked... ...or working with AI/LLM-based platforms. Experience as an early...PlatformWebsiteFull timeWork experience placementWork at office
- ...funded startup building AI-native solutions for the... ...our proprietary WealthOS platform, we partner with TAMPs,... ...management and are assembling a founding team of ambitious... ...a Founding Engineer & CTO to be the technical cornerstone... ...from data pipelines to LLM orchestration to client-...PlatformFlexible hours
$180k - $230k
...SaaS startup in the AI-powered sales automation... ...is hiring its first Founding Engineer. You'll join the CTO as a core member of a... ...the full stack, from LLM orchestration to... ...screen sizes. The Platform: Customer-facing tooling... ...This role is fully on-site in San Francisco, CA...PlatformWebsiteRemote work- ...Founding Full-Stack Engineer Join a stealth, seed-stage startup building an AI-powered wearable platform for industrial field technicians. We run a real-time computer-vision and... ...environment Location & culture Fully on-site in the SF Bay Area. The founding team works...PlatformWebsiteWork at officeFlexible hours
- Agentic Commerce is seeking a Founding CTO / Head of Engineering in a flexible-location setup to own the technical vision and platform architecture. This 0→1 role requires deep systems... ...founder-level ownership across commerce and AI interfaces. You will collaborate with...PlatformFlexible hours
- NovusMinds, a Bay Area startup building AI-native wealth-management solutions, seeks a Founding Engineer & CTO to be the technical cornerstone of the company. You will... ..., translating product vision into scalable AI platforms powering clients. You’ll report to the CEO,...Platform
- ...Notice: This is an on-site role based in San Francisco... ...B2B post-sales support platform powered by... ...platforms that power Pylon's AI features - prompt executions... ...infra, and more! Improve LLM observability - AI evals... ...your own work You're in SF or you're willing to...PlatformWebsiteFull timeWork at officeRelocation
- ...a predictable sales pipeline. You'll partner with RevOps and Sales to define ICP, messaging, and attribution, building a scalable marketing stack in a fast-growing AI-powered insurance platform. This 0-1 builder role demands autonomy and results. #J-18808-Ljbffr NearaPlatformWebsite
$150k - $200k
...Francisco is hiring a Founding Full-Stack Engineer to... ...video language-learning platform — backed by science and... ...backend, infrastructure, and AI. What You'll Do... ...streaming (HLS) and building AI/LLM-driven features. Nice... ...This role is fully on-site in San Francisco, CA ....PlatformWebsiteFull timeVisa sponsorship- ...interact around the world. Our AI platform matches companies to... ...want to buy. You will be our Founding Engineer for building the pipeline... ...screening with Jarren (CEO) or Joon (CTO) ~3-hour Technical Interview... ...with Oliver (CPO) ~ On-site at San Francisco ~ Offer!...PlatformWebsiteFull timeContract workWork at office
$225k - $255k
...product-focused team building an AI-powered B2B pricing platform that helps companies... ...discount governance. As our Founding AI Engineer , you'll own... ...systems, feedback loops, and LLM infrastructure that allow... ...Location This role is on-site in San Francisco, CA ....PlatformWebsiteRelocation$175k - $225k
Founding Full-Stack Software Engineer (React / Node.js / NestJS / PostgreSQL... ...We’re building an AI-native platform that transforms fleet operations... ...work. Why In‑Person in SF Matters You’ll work shoulder... ...team dinners, events, and off‑sites. The opportunity to transform...PlatformWebsiteFull timeWork at officeRemote work- ...opportunity — not a conventional CTO hire. You will join as an equal... ...day one. The company is an AI-powered video advertising marketplace... ...product development across the platform: AI ad generation, creator... ...Location This role is fully on-site in San Francisco, CA . In-...PlatformWebsiteFull timeRelocation
$230k - $300k
...growing, Sequoia-backed AI research platform used by leading... ...to the co-founder and CTO, define the security architecture... ...across the LLM pipeline, cloud infrastructure... ...as the first or founding security engineer at a... ...hire. This role is on-site five days per week in...PlatformWebsiteFull timeH1bVisa sponsorship$220k - $320k
...Deployed Engineer – Enterprise AI Infrastructure Full-time | On-site | San Francisco, CA... ...of an AI-powered document platform for sophisticated enterprise... ...enterprise customers. This is a founding Forward Deployed Engineer... ...working with AI/LLM technologies and modern AI...PlatformWebsiteFull timeVisa sponsorshipFlexible hours$300k
Founding AE | $300K+ OTE | Elite Fintech Backed by Tier 1 VCs | In-Person SF job at Bundoran Group. San Francisco, CA. Confidential Job... ...a high-growth financial platform already used by hundreds of startups... ...with early-stage upside On-site team at Fort Mason HQ (gym,...PlatformWebsiteLocal areaRemote workRelocation$300k
...Get AI-powered advice on this job and more exclusive features. Equity: 3%–15% (valued... ...an AI-powered mobile biofeedback therapy platform already used by clinicians at top U.S. health... ...focus) Previous experience as Founder or CTO at a venture-backed startup Experience building...Platform- ...Who we are: Cooper is an AI coworker for the insurance industry... ...the role: We're hiring the Founding Engineering team for a new... ...comfortable in different languages and platforms. Hands-on with modern AI... ...lunch 5x per week ~ Off sites, happy hours, and team building...PlatformWebsiteFull time
$275k
...and orchestration for AI/automation-driven... ...workflows, RAG pipelines, or LLM-enabled features.... ...APIs and legacy platforms. Early-stage startup experience or founding engineer background.... ...Francisco, CA — hybrid/on-site. Candidates must be based in SF or willing to relocate...PlatformWebsiteWork at officeRelocationVisa sponsorship$150k - $210k
...complex diseases. Our data platform is used by drug... ...solutions in bioinformatics, AI, and drug development. We... ...Role We’re looking for our Founding Data Engineer who’s... ...will require working on‑site 3 days a week (Tuesday,... ...friendly office in Downtown SF near transit A “work...PlatformWebsiteWork experience placementWork at officeRelocationFlexible hours3 days per week- ...Founding Software Engineer - TruTec About TruTec TruTec is an AI-powered construction takeoff platform that is revolutionizing a $17 billion industry . We automate the tedious, manual process of site measurement and material estimation—turning hours or days of...PlatformWebsiteFull timeFor contractorsInternship
$135k - $155k
...SaaS company building a unified platform that helps large healthcare... ...enterprise-grade product. As a Founding Full Stack Engineer , you'll... ..., data models, and AI-driven workflows that translate... ...Location This role is based on-site in San Francisco, CA . Candidates...PlatformWebsiteLocal areaRelocation$150k - $250k
A seed-stage AI startup in San Francisco is looking for a Founding Software Engineer to build high-quality frontend features. This role involves collaborating with designers and backend engineers while taking ownership of frontend architecture. The ideal candidate should...Platform- A leading healthcare AI company based in San Francisco is seeking an elite mobile and full-stack engineer to shape the future of an innovative biofeedback therapy platform. The ideal candidate has strong experience in React Native, startup environments, and a passion for...Platform
$200k - $300k
Unsiloed AI — Founding ML Researcher Type: Full-time | On-site | San Francisco, CA Compensation: $200,000-$300,000 + 0.1... ...converts complex documents into LLM-ready data. Its production-grade... ...with reliably from day one. The platform preserves document structure and...PlatformWebsiteFull timeH1bWork at officeVisa sponsorshipFlexible hoursWeekend work$499 per month
...teams that ship credible AI workers into trust-... ...is a managed AI staffing platform that delivers AI workers... ...co-founder role, not a CTO hire. In return for that... ...— Recruit and lead the founding engineering team, and establish... ...Profile Shipped LLM-powered and voice systems...Platform$127k - $172k
...time Location Type On-site Department... ...Everyone's talking about AI. But here's the truth... ...Our CEO previously founded Stormpath (acquired... ...is 10x bigger. Our CTO led the vector... ...Redis, shipped 100+ LLM applications, and is... ...successful developer platforms. Perfect Timing :...PlatformWebsiteFull timeWork at officeShift work
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