- Carnot (San Francisco, CA)
- A rapidly growing tech company in San Francisco seeks a design engineer . You will own the visual and interactive experience of its platform, shaping how ... enterprise users interact with AI-native software. Responsibilities include building design systems, motion design , and collaborating with engineering. Ideal… more
- Tryflint (San Francisco, CA)
- A dynamic technology startup is seeking a Founding Product Engineer to architect and build user experiences using React and Tailwind CSS. You'll develop ... algorithms to integrate design principles into AI and lead projects end-to-end. This role is ideal for someone passionate about creating beautiful web presences and… more
- Datacurve (San Francisco, CA)
- A cutting-edge technology firm in San Francisco seeks a Founding Design Engineer to enhance its gamified data collection platform. Responsibilities include ... building design systems, engineering multi-step workflows, and creating gamification features....about user psychology. This role offers a unique opportunity to shape a pioneering product in a competitive environment.… more
- Recruiting From Scratch (San Francisco, CA)
- …Responsibilities Serve as the first product engineer , working directly with the founding team to design , build, and ship customer-facing features. Shape ... Experience with AI/LLM agents, LangChain, or building evaluation pipelines. Prior founding engineer or early-stage startup experience. Background in designing… more
- Rockstar (San Francisco, CA)
- …something big are in the right place. Role Overview The company is hiring a Founding Engineer (Full‑Stack) to work in‑person, 5 days/week, in San Francisco as a ... hires the best people and compensates them accordingly. The Founding Engineer will be an equal thought...clinicians and families. This role is ideal for an engineer who wants to build from zero, shape… more
- Carnot (San Francisco, CA)
- …and ship production code alongside the engineering team. This is a founding design role for someone who wants to shape how enterprise users interact with ... Ability to simplify dense functionality without dumbing it down Strong Signals Design engineer or founding designer roles at early-stage startups Experience… more
- Amadeus Search (San Francisco, CA)
- Role: Founding Engineer , Platform & Infrastructure Location: San Francisco, CA | Full-time | On-site Compensation: $160k - $200k + Equity (0.5% - 3%) About the ... Role This is your opportunity to be a founding engineer at a seed-stage startup building...optimization. Collaborate Closely - Work with a small, high-energy founding team to shape platform direction and… more
- Amadeus Search (San Francisco, CA)
- Role: Founding Fullstack Engineer Location: New York or San Francisco (hybrid, 3-4 days in office + 1 weekend day remote) Compensation: $150k - $220k + 1%-1.5% ... to accelerate customer adoption. About the Role As a Founding Fullstack Engineer , you'll be among...among the first engineering hires with the opportunity to shape the infrastructure, product, and culture . This is… more
- Jack & Jill/External ATS (San Francisco, CA)
- … Engineer Company Description Fast-growing AI-driven logistics startup Job Description As a Founding Engineer , you will shape the technical foundation of ... USA Why this role is remarkable Join as a founding member with significant influence over technical architecture and...in global commerce and logistics. What you will do Design and implement scalable full-stack applications using TypeScript and… more
- Unusual Ventures (San Francisco, CA)
- …from industry leaders at Google, Ramp, Atlassian, and PubMatic. Role Description As a Founding Engineer , you'll help shape both our product and our ... company. You'll work closely with the founders to design architecture, ship features, and define the product vision....100,000 calls, with many more in the funnel. Our founding team values builders above all , because we're… more
- Together For Talent (San Francisco, CA)
- …an industry most people take for granted. What's In It For You Be the founding engineer shaping a next‑generation AI platform from the ground up. Work ... Founding Software Engineer | AI for...technology with real‑world impact. What You'll Do You'll help shape the foundation of both the product and the… more
- 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,...reduce hallucinations in our LLM-powered features. Architect AI Workflows: Design and implement scalable AI architectures using modern LLM… more
- Amadeus Search (San Francisco, CA)
- Job Title: Founding Backend Engineer - Fintech/Insurtech Infrastructure Location: San Francisco, CA (On-site) Compensation: $180k-$200k base + 0.3%-0.7% equity ... in the fintech/insurance space is looking for its first founding engineers to help build the core API infrastructure...This is an opportunity to be employee #4 and shape the architecture, roadmap, and product of a company… more
- Motion Recruitment Partners LLC (San Francisco, CA)
- Founding Engineer - AI Startup (San...Engineer . This is a ground-floor opportunity to shape the technical direction, build core systems from scratch, ... across the stack-from backend services to intuitive user interfaces. Design scalable, high-performance APIs and microservices to support AI-driven workloads.… more
- Talent Altitude (San Francisco, CA)
- …engineering experience. Proven experience leading teams or acting as a founding /principal engineer in startup environments. Strong background in ... About the Role We're looking for an experienced engineer with hands‑on expertise in building and deploying...and large-scale data pipelines . This is a high‑impact founding opportunity for someone who thrives in fast‑paced startup… more
- Blueberry Social (San Francisco, CA)
- Founding Engineer About Us Blueberry is...fastest growing brands in the world. Collaborate deeply with design . Partner with our Founding Designer to ... to authentically engage their customers at scale. As our Founding Engineer , you'll be a co-architect of...who share the above traits. Nice-to-Haves Prior startup or founding team experience. Visual and content design … more
- Datawizz (San Francisco, CA)
- …best model - significantly reducing costs and improving accuracy. The Role As a founding full-stack engineer , you'll own the application layer of our platform - ... and developer tooling for monitoring, evaluating, and managing models. Design and implement APIs and backend systems that interface...directly with early customers to understand pain points and shape our roadmap. Own features end to end -… more
- Amadeus Search (San Francisco, CA)
- Role : Founding Engineer (Fullstack) Location : San Francisco, CA (On-site) Compensation : $150K - $200K + 0.25% - 1% equity Visa : Sponsorship available Company ... little public information is available due to stealth status. Role Overview As a founding full‑stack engineer , you will work across the entire stack, shaping… more
- Trove (San Francisco, CA)
- …a part of a great founding team in SF. Shivaal Roy (CTO) was a founding engineer at Glean ($100M+ ARR today) and managed the Assistant and Search teams, ... B2B AI applications Why this role? High impact: You'll shape the product and culture from day one. Expect...the frontier of GenAI applications by delivering human‑level capabilities Design and build novel knowledge graph algorithms to power… more
- Willow, Inc. (San Francisco, CA)
- Overview We're looking for a founding engineer with deep experience building Electron apps to help us deliver a world-class Willow experience. Willow is a voice ... and security Talk to users, understand their needs, and design solutions Work with our founding team...best practices This is a high-ownership role where you'll shape both the product and the platform. You'll work… more
