Founding Full-Stack Engineer
$120k - $250kFloot (YC S25)
Overview Founding Full-Stack Engineer role at Floot (YC S25). Base pay range is provided; your actual pay will be based on skills and experience — talk with your recruiter to learn more. Base pay range $120,000.00/yr - $250,000.00/yr Responsibilities As engineer #1, you will work directly with the founders to build the product and shape our culture. You’ll wear many hats and touch everything from AI systems, user-facing features, to backend infrastructure. Talk to users often to deeply understand how to improve Floot's AI and UX (you can expect to spend 10-20% of your time on support) Ship full-stack features and build the foundational building blocks that users will use to build their apps seamlessly (e.g. storage, payments, auth, etc) Improve our AI runtime to handle edge cases and make our agentic system more reliable Prompt engineering and evals to improve AI output quality (for both function + design) Build robust infrastructure for our end-to-end platform to power millions of production apps Requirements Strong full-stack experience with React, TypeScript, and Node.js: you\'ve shipped production features end-to-end Strong sense of ownership: you’re autonomous and own features from start to finish Fast but thoughtful: you ship quickly without cutting corners on things that matter Strong sense for UX and product polish: you believe that craft matters Seniority level Entry level Employment type Full-time Job function Engineering and Information Technology Industries Software Development We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr
- ...for one of our clients. Location: San Francisco (on-site) Experience: 2–8 years Stage: Seed to Series B Role Type: Early hire / founding engineer Why This Role Exists You’ll help build the core product from the ground up. This is a hands‑on role for someone who loves...Suggested
$175k - $275k
...Carma is hiring a Founding Full‑Stack Engineer to own product surfaces end‑to‑end — from ambiguous problem statement to scoped design to shipped enterprise software. Work on a TypeScript end‑to‑end stack (React, NestJS, PostgreSQL + Prisma, AWS). Ship a feature in the...SuggestedDay shift- ...a century. Dryft is powering the next. THE ROLE As Founding Fullstack Engineer , you’ll be the brain behind Dryft’s decision intelligence... ...work onsite in SF (we support relocation & visa) TECH STACK FE (TypeScript): React, Chakra UI v3, TanStack Router,...SuggestedRelocation
$135k - $200k
A venture-backed SaaS startup is seeking a Founding Engineer to help build their financial data management solution. As early team member,... ...you will influence the culture and process while working on full stack features. Candidates should have a Bachelor’s degree in computer...SuggestedRemote job$100k - $150k
...Join to apply for the Founding Full Stack Engineer role at Text.ai (YC X25) 2 days ago Be among the first 25 applicants Join to apply for the Founding Full Stack Engineer role at Text.ai (YC X25) Get AI-powered advice on this job and more exclusive features. This range...SuggestedFull time- ...quoting and order entry, with a long-term vision of transforming operational workflows through AI. We're looking for a Founding Full Stack Engineer to join our team full-time, in person, in San Francisco, CA . What You'll Do Build and scale AI-powered products from...Full timeVisa sponsorshipRelocation package
- ...revenue. We’re… Talent-dense: 8 people, 6 engineers, 75% ex‑founders. Well‑funded with $6M... ...working solution. Strong programming / full‑stack foundation: comfortable in both backend... ...vibe coding tools. Previous experience founding or working at a high‑growth startup....
$50k
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...- Replo is seeking a founding full-stack engineer in San Francisco to drive product engineering and ship new features. You will architect and implement core features using Typescript/React/Node and own critical user onboarding flows. Ideal candidates have experience shipping...
- A leading tech startup in San Francisco is seeking a Founding Engineer to develop a next-generation visual IDE. This role offers the opportunity to shape product architecture and collaborate closely with founders. Ideal candidates will have 4+ years of software engineering...
$175k - $275k
CertifiedDevs is seeking a Founding Full‑Stack Engineer in San Francisco to take ownership of product surfaces end-to-end. You'll work on a TypeScript stack including React, NestJS, and PostgreSQL, contributing to features that impact users rapidly. This role demands strong...$150k
Stealth Startup in San Francisco is seeking a Founding Engineer to shape its innovative sports management platform. The role requires extensive experience in full-stack software development and a passion for sports and community building. This position offers up to $15...- Gauge is hiring a Founding Full-Stack Engineer to join their team in San Francisco. This full-time role involves enhancing their AI-driven analytics system and improving product features based on customer feedback. The ideal candidate should have experience in web development...Full time
$130k - $200k
Quantix Search is looking for a Founding Full Stack Engineer in San Francisco, CA, offering a salary range of $130K-$200K plus equity. This hybrid role involves building AI powered software to enhance collaboration between go-to-market and product/engineering teams. As...- The Role As a Founding Engineer, you’ll work directly with the founders to architect, build, and scale the platform from 0 to 1 . You’ll take full ownership of core features, shape the product roadmap, and drive technical execution in an environment that values speed,...
- Stealth Startup is seeking a founding full-stack engineer for an in-person role in San Francisco, CA. You will build AI-powered products, design full-stack features, and work directly with customers to shape the product and engineering culture. As an early hire, you’ll...Visa sponsorship
- A tech startup specializing in LLMs is seeking a Founding Engineer to own end-to-end problem-solving from customer insights to infrastructure. The ideal candidate will be full-stack, comfortable with new engineering tools like React, Python, and AWS, and has a strong design...
- A burgeoning technology firm in San Francisco is seeking a Founding Software Engineer - Full Stack to develop core technology for a last-mile delivery platform. This role involves utilizing a modern tech stack including TypeScript and React, and collaborating closely with...Local area
- Digital Waffle is hiring a Founding Full Stack Engineer to help build an AI platform that transforms military readiness. You will work closely with the founders and military end users, shaping product strategy and engineering culture in a highly-ambitious, early-stage...
- A pioneering AI communication company is seeking a Founding Full-Stack Engineer to lead the development of a revolutionary mobile application. This hands-on role focuses on React Native and Python integration, aiming to reshape how humans communicate in group settings....
- A leading technology firm in San Francisco is seeking a Founding Full-Stack Software Engineer to manage end-to-end features on their AI-native platform. The role requires engagement in both frontend and backend development, using technologies such as React, Node.js, and...
- A growing technology startup is seeking a Founding Full-Stack Engineer (React + Supabase) to build and deploy core product features. This is a remote-first role where you'll work closely with the founder, ensuring the overall architecture, performance, and scalability...Remote work
- A technology company in San Francisco is seeking a Founding Fullstack Engineer to build scalable systems that automate complex decisions in manufacturing... ...sense, and the ability to ship production code across the stack. The role requires onsite work in SF, with a supportive...Relocation
$150k
About the Role This is a founding engineering opportunity at a Y Combinator Spring 2026 consumer wearable startup operating at the intersection... ...Prototypes are already on users' wrists. As the Founding Full-Stack iOS Engineer, you will own the companion iOS app end-to-end...Remote work- About iollo: iollo was founded by Daniel Gomari (PhD Computational Biology, Stanford) and Prof. Mike Snyder (Stanford... ...serverless compute at scale Use AI agents as core engineering tools, not novelties Tech stack: AWS (compute, storage, identity, networking), Python,...
- Can of Soup in San Francisco is looking for a founding full-stack engineer to take ownership of the app surface and the personalized recommendations infrastructure. This position offers a chance to significantly impact our innovative storytelling app. The ideal candidate...
- A pioneering AI research lab in San Francisco seeks a core engineer to build and scale its data infrastructure from day one. You'll work with cutting-edge technology in a founding role, responsible for developing data pipelines and workflows across web and desktop. The...
- A technology startup is looking for a Founding AI Full Stack Engineer to work on innovative AI-driven solutions. This permanent, full-time position is ideal for someone eager to leverage their entrepreneurial skills in a startup environment. Responsibilities include designing...Remote jobPermanent employmentFull time
- A dynamic technology startup in San Francisco is seeking a Founding Full Stack/AI Engineer to take ownership of AI-driven product development. The role involves building core product features, integrating with existing systems, and directly collaborating with customers...
- Stealth Startup is seeking a founding full-stack engineer to join our San Francisco team in person. You will build AI-powered products from the ground up, implement full-stack features with Next.js, TypeScript, Python, and Google Cloud, and collaborate directly with customers...
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