Founding Full-Stack Engineer Build & Own Core Features
Weekday
A pioneering tech startup in San Francisco is seeking a founding engineer to help build their core product from the ground up. This hands-on role demands a product-minded individual who thrives in startup environments. Responsibilities include building robust frontend and backend features, designing APIs, and collaborating closely with founders and designers. Ideal candidates should have strong skills in TypeScript, React, and Node.js. This position offers an exciting chance for ownership in a transformative tech landscape. #J-18808-Ljbffr
- Job Title Founding Full Stack Engineer Salary Not Disclosed + Equity Company Description... ...growing HealthTech startup building the system of record for... ...Stack Engineer, you will own the entire technical stack... ...architecture and ship production features across four integrated...SuggestedImmediate start
- 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... ...storytelling app. The ideal candidate has infrastructure-building experience, a startup background, and a passion for fandom...Suggested
$160k - $220k
...About the job Founding Full-Stack Engineer Founding Full-Stack Product... ...an early-stage AI company building core infrastructure for LLM-powered... ...reading. What Youll Own End-to-end product... ...infrastructure AI-driven product features (context engineering,...SuggestedFull timeH1b$180k - $230k
...is hiring its first Founding Engineer. You'll join the CTO as a core member of a tiny, high... ...comes after. The company builds self-improving... ...strict lanes here. You'll own problems across the full stack, from LLM... ...to deliver full-stack features end-to-end: frontend,...SuggestedRemote work- .... Takt is building the brains of... ...manufacturing stack. These... ...Takt was founded by Adhitya Raghavan... ...& Aerospace Engineering), Harvard (MBA... ...bringing it full circle, building... ...less waste. Core Cultural Values... ...world. We own our decisions... ...short-lived features. This means putting...SuggestedTemporary workRelocation
$150k - $190k
...An early-stage startup is hiring a Founding Full Stack Engineer to help build its product from the ground up.... ...Build the initial product and core features from zero to production Design... ...systems with scalability in mind Own services, data models, and APIs end...Remote workFlexible hours$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...- 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... ...iteration, and excellence. Own and ship features end-to-end...
- ...Stage: Seed → 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... .... What You’ll Do Build end-to-end product features across frontend and backend Ship quickly in 0→1...
- ...startup with their first hire: a founding full-stack engineer. Their product provides SMBs... ...and product direction as a core team member Design, develop, test, and support features for our web and backend applications Architect and build cutting-edge AI document...
- ...under 50 employees. Founded just three months... ...Ventures and is building a world‑class... ...backend‑leaning full‑stack engineer to build the AI automations... .... You'll own a full product domain... ...that automate core brokerage workflows... ...— shipped features or systems independently...Work at officeFlexible hours
- ...Truth Systems, we're building the only trust and... ...(or no) meetings, full autonomy, and... ...will be one of our core product builders.... ...scope and design features, and implement from... ...delivery: You'll need to own a section of our... ..., and fast engineering: With the stakes that...Visa sponsorshipRelocation package
- ...Founding Full-Stack / Product Engineer (Onsite — San Francisco, CA) Location: San Francisco... ...time About the Role We’re building a new category of sales performance... ...Founding Engineer, you’ll own major chunks of... ...Build and ship end-to-end features across React/Next.js (frontend...Full time
$150k - $250k
...hire. Title of Role: Founding Fullstack Engineer Location: San Francisco... ...industrial AI startup building intelligent systems that... ...mathematical optimization Own product features end-to-end from... ...Opportunity to shape core architecture and product...Work at officeRemote workRelocationVisa sponsorshipRelocation package- ...seeking an experienced fullstack product engineer to join our senior team in San... ...role involves designing and delivering features across our core products and internal tools while taking... ...is an opportunity to contribute to building a new financial product from the ground...
$175k - $300k
...- 300K cash. You will own a meaningful piece of the... ...Be a part of a great founding team in SF. Shivaal... ...Roy (CTO) was a founding engineer at Glean ($100M+ ARR today... ...Own mission-critical features and user experience end... ...ability ~3 - 8 years building apps with modern...- ...Senior AI/ML Engineer At Solum Health, we're on a mission to rebuild the... ...Product). What You'll Do Build and maintain end-to-end features across the stack using Next.js on the frontend and... ...experience in AI/ML engineering, full-stack engineering, or both....Immediate start
- Overview Founding Full Stack Engineer (+ Equity) at NELP NELP is a fast-growing nursing... ...as a founding engineer to build the system of record for nursing excellence. You will own the technical stack,... ...time feedback into production features. Why this role is remarkable...
- Skiffra is building the intelligence layer for the physical world... ...are real. The Role As a Founding Full Stack Engineer (AI-Native) , you will build... .... You won’t just build features. You’ll shape architecture,... ...power AI-driven workflows Own features from concept to production...
- 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 of...Remote work
- ...-stage AI startup building technology designed... ...for our first engineering hire to play a critical... ...We are seeking a Full Stack Software Engineer... ...take ownership of features from concept to deployment... ...team, build core systems, and... ...autonomously. Experience owning features from...Local area
$180k - $250k
Job Title: Founding Deployed Engineer Salary: $180K - $250K + 0.3% -... ...Company Description: BUILD, Inc. - AI for the Built... ...estate. You will own the entire deployment... ...and influencing the core engineering culture of... ...Demonstrates strong full-stack capabilities and comfort...- ...A technology startup based in San Francisco is seeking a Founding Engineer (Full Stack) to architect and build their platform. This role offers significant equity and ownership over core architecture while working on large-scale data systems and AI-native agents. Ideal...
- A cutting-edge recruiting tech company in San Francisco is seeking a Founding Engineer to own and build core systems in a fast-paced environment. You will ship full-stack code to production daily and collaborate with founders on architecture decisions. The ideal candidate...Relocation
- ...Jarvis - Lance Melendez is seeking a Founding Full-Stack / Product Engineer to join our team in San Francisco, CA. This role involves owning major architecture components and... ...work with a high-velocity team to build and ship features across technologies including React...
- ...Avent Industrial Inc is seeking a founding engineer to build the core system that drives industrial commerce. The role involves developing the intelligence layer for quoting, procurement, and decision-making across a vast industrial network. Candidates should possess qualities...
$190k - $205k
...Full-Stack Engineer, Core Services (Senior Level) San Francisco, CA At Instabase... ...explore our AI Hub platform features extensively, enabling them... ...team, you'll design, build, and optimize the core systems... ...comfortable functioning as your own PM and Designer and write...Work at officeFlexible hours$200k - $250k
...Founding Backend Engineer, On-site — San Francisco, CA Location: San... ...stage AI company is building advanced agentic systems... ...to shape the core architecture of a company... ...engineering rigor, and comfort owning complex problems end... ...workflows and ship features that solve real...Work at officeImmediate start- ...and looking for a founding team to join us on... ...are looking for a full-stack engineer to join our team as... ...platform. You will fully own critical customer features powered by the... ...operating with our core principles in mind:... ...exciting journey to build the world’s next generational...
- ...Founding Full-stack Engineer (Node/React/MySQL/Neo4j) Status: Actively interviewing... ...About Village Village ( is building a network around the people... ...products loved by users. A new feature that’s not used by anyone... ...to communicate issues and own the user’s pain‑points &...Full timeRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding Full-Stack Engineer Build & Own Core Features. Be the first to apply!
- senior java full-stack developer San Francisco, CA
- full stack developer San Francisco, CA
- full stack engineer San Francisco, CA
- remote .net full stack web developer San Francisco, CA
- mean stack developer San Francisco, CA
- full stack java developer San Francisco, CA
- full stack cloud developer San Francisco, CA
- mid level full stack developer San Francisco, CA
- junior full-stack web developer San Francisco, CA
- senior full stack web developer San Francisco, CA


