Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Founding Engineer

Replo

Full-Stack Founding Engineer

Hiring a full-stack founding engineer to join our team and focused on product engineering and shipping new features.

Things You'll Be Working On

Architecting and implementing full-stack product features in Typescript/React/Node is the core of what you'll be doing. Real examples include:

  • Build out agentic workflows that design, build, and optimize online shops
  • Build out product & payments processing infrastructure
  • Launch analytics infra on Clickhouse/Kafka that support billions events/month
  • Own our user onboarding flow from end-to-end
Looking For Someone Who
  • Can be in office 4-5 days/week in San Francisco
  • Is proficient in Typescript/React/Node
  • Uses Cursor/Claude Code to accelerate their work
  • Has built products 0 -> 1 with real users and revenue
  • Is OK operating independently without product/design
  • Is ALWAYS SHIPPING. We don't spend weeks planning features at Replo
  • Has a product and customer-focused mindset
  • Has experience being burned by deployment and maintenance issues. If you have a strong opinion on how products should be built, that's good
  • Values writing clean, maintainable software, including documentation (e.g. the code needs to be correct and run fast, but we're the ones that have to read it and understand it)
  • Is comfortable with ambiguity and defining software architecture patterns to solve customer pain points
Bonus Points If You
  • Have a CS degree or formal computer science/STEM backend
  • Have started a company before
  • Enjoy attending hackathons
  • Worked at an early-stage (Series A or earlier) startup previously
  • Have not wasted hours interview-prepping on Leetcode
  • Have an eye for visual design (or past experience in product design, Figma, etc).
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Founding Engineer in San Francisco, CA vacancy
  • $150k

    About the Role This is a founding engineering seat at a Y Combinator-backed consumer wearable startup building hardware at the intersection of biometrics, emotional intelligence, and on-device inference. The team is small, the product is already on users' wrists, and... 
    Suggested
    Full time
    Contract work
    Remote work

    Clera

    San Francisco, CA
    2 days ago
  • $120k - $190k

     ..., and compliance workflows — helping paramedics get paid and protecting 911 services across the country. We're looking for a Founding Engineer to join as one of the earliest technical hires. This role blends hands-on, end-to-end engineering with direct customer engagement... 
    Suggested
    Full time
    Work at office
    Immediate start
    Remote work
    2 days per week
    3 days per week

    Clera

    San Francisco, CA
    2 days ago
  • $120k - $250k

     ...the AI and SaaS world, we have thousands of AI agents deployed at scale-up startups and enterprise companies today. This is a founding engineer role — you'll operate at near-CTO level, taking vague problems all the way to shipped product with no hand-holding. You'll be... 
    Suggested
    Full time

    Clera

    San Francisco, CA
    2 days ago
  • $70k - $100k

    About the Role This is a founding-stage full-stack engineering role at an early-stage B2B SaaS cleantech startup building AI-powered software that controls and optimizes industrial and commercial battery storage assets. The platform addresses real-world energy challenges... 
    Suggested
    Full time
    Relocation
    Visa sponsorship

    Clera

    San Francisco, CA
    19 hours ago
  • $160k - $270k

     ...stage AI infrastructure company — backed by prominent investors including researchers from OpenAI and DeepMind — is hiring 2-3 Founding Engineers to own the core of its graph-native database platform. Built on object storage and purpose-designed for AI agent workloads,... 
    Suggested
    Full time
    Work at office
    Flexible hours

    Clera

    San Francisco, CA
    2 days ago
  • $175k - $200k

     ...marketing teams improve return on ad spend, lift conversion rates, and dramatically cut production costs. We're looking for a Founding Engineer (Full-Stack) to join our small, high-ownership team on-site in San Francisco. This is a foundational role: you'll work... 
    Full time
    Local area
    Relocation
    Visa sponsorship
    Relocation package

    Clera

    San Francisco, CA
    2 days ago
  • $175k - $225k

    About the Role This is a rare, one-of-a-kind founding engineer position at an early-stage consumer AI startup building a real-time platform designed to digitize human connection. Working directly alongside the founder, you'll help shape the technical foundation, engineering... 
    Full time
    Remote work
    Visa sponsorship

    Clera

    San Francisco, CA
    2 days ago
  •  ...About Loop Loop AI is a San Francisco–based tech company founded in 2022. We provide a Delivery Intelligence Platform for data-driven...  ...first restaurants. About The Role We are looking for a Founding Engineer with 4+ years of backend engineering experience to join our fast... 
    Temporary work

    Loop AI - Delivery Intelligence Platform

    San Francisco, CA
    2 days ago
  •  ...Founding Engineer (Full Stack) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) About the role We’re hiring a founding full stack engineer to help architect and build the platform from day one. This is... 
    Full time

    Fabrion

    San Francisco, CA
    2 days ago
  •  ...About Terac We’re building a search engine for human thought . While you might go to Google to search through the web, you come to Terac...  ...major consumer companies. Joining now means being part of the founding team defining the next $100B market. The Role We’re looking for... 

    Terac

    San Francisco, CA
    5 days ago
  •  ...strategic operators. Now we need to build fast enough to match customer demand. The Role This is not a typical engineering role. You'll be our founding engineer, with an outsized role in how the product, company, and engineering culture evolve. You'll write code,... 

    pear.ai

    San Francisco, CA
    2 days ago
  • $150k - $250k

     ...Agentmail Engineer Opportunity Location: San Francisco, CA Type: Full-time, on-site We are seeing a surge in market demand as...  ...for your email, it's email for your AI. We're looking for a founding engineer with strong backend and infra instincts to help build... 
    Full time

    Agentmail (yc s25)

    San Francisco, CA
    2 days ago
  •  ...company from scratch! About Our Team Our team is a group of five engineers, embodying a ‘small but mighty’ spirit. We are defined by our...  ...’ve done this before (we love former founders + early stage founding engineers! All great talent is welcome, of course). Who You Are... 
    Contract work

    Untether Labs

    San Francisco, CA
    3 days ago
  •  ...Founding Engineer As a founding engineer, you'll help shape the foundation of how intelligent agents are built, verified, and deployed — not just at Relari, but across the next generation of AI-native software. In this role, you will: Architect core systems... 

    RELARI

    San Francisco, CA
    5 days ago
  • $250k

     ...Create LLM extraction, evals, monitoring, and cost control tools Founding GTM Executive Full-cycle sales from prospecting through close...  ...lost deal teaches the product something. Role Full-time Founding Engineer Full-time Founding GTM Executive Location In person in SF In... 
    Full time

    248.AI

    San Francisco, CA
    23 hours ago
  •  ...We’re looking for exceptional founding engineers to build the consumer security layer for web3. Working at Pocket Universe protects people from fraudulent transactions designed to steal blockchain assets. Our mission is to push the status quo on security and UX such that... 
    Full time
    Contract work
    Relocation

    Pocket Universe

    San Francisco, CA
    3 days ago
  •  ...currently have a desktop IDE that’s loved by tens of thousands of engineers, we’re looking to scale out by building a mobile app, cloud...  ...if: You’ve worked at a startup before (bonus points if you’ve founded one) You’re using AI tools actively You take ownership of your... 
    Work at office

    Superset.ai

    San Francisco, CA
    2 days ago
  • $200k

     ...products for private market investing. As a Senior Software Engineer on Meridian, you'll own the technical design and delivery of major...  ...sequencing tradeoffs through launch and iteration. This is a founding engineer role on a zero-to-one product with meaningful... 
    Work at office
    2 days per week

    AngelList

    San Francisco, CA
    3 days ago
  • $180k

     ...The Role We're hiring a Founding Engineer to join an early‑stage company building AI‑powered software and data infrastructure for healthcare organizations operating in highly regulated, data‑intensive environments. This is a foundational engineering hire. You'll work directly... 
    Work experience placement

    People Culture Talent

    San Francisco, CA
    5 days ago
  •  ...universities and turned down millions of dollars of cash/equity to build real products for billions of humans at Ghost. Apply for the founding eng role if you: ~ Use agents to write ~90% of your code ~ Have done exceptional things in the past ~ Have the... 

    GHOST

    San Francisco, CA
    2 days ago
  • $250k - $400k

     ...Founding Engineer Type: Full-time Compensation: $250-400k base plus generous equity Location: On-site in SF, hybrid, or remote About the Role We're looking for engineers to help us build the infrastructure to clone and gamify the internet. We will cover... 
    Full time
    Remote work

    Matrices Inc

    San Francisco, CA
    5 days ago
  • $130k - $200k

     ...Founding Engineer - Full Stack (AI x Developer Tools) Location: San Francisco, CA (Hybrid - 4 days/week in person) Compensation: $130,000 - $200,000 base Equity: 0.10% - 1.75% Work Authorization: Open to visa sponsorship in exceptional cases Type: Full... 
    Full time
    Immediate start
    Visa sponsorship
    Work visa

    Amadeus Search

    San Francisco, CA
    1 day ago
  •  ...co-designing the future of supply chain automation alongside some of the brightest minds in the industry. About The Role As a Founding Engineer at Mentum, you’ll have the chance to shape the future of our product, tackle some of the toughest challenges in AI and supply... 
    Work at office
    Shift work

    Mentum (Acquired by Nuvocargo)

    San Francisco, CA
    2 days ago
  •  ...platform that turns your website into your company's main growth engine. We deploy swarms of marketing and web design agents that...  ...companies the on‑demand infrastructure of a growth team. Ploy is founded by Bryant Chou, the co‑founder and former CTO of Webflow, where... 

    Ploy

    San Francisco, CA
    5 days ago
  • $100k - $150k

     ...Founding Engineer We're looking for one engineer who can build. You'll work at the frontier of AI memory, context retrieval, and knowledge infrastructure, and own real surface area from day one. We're two people with years of runway, so you'll have enormous autonomy... 
    H1b

    Nessie

    San Francisco, CA
    3 days ago
  • $150k - $250k

     ...I'm partnering with an ambitious early-stage AI startup looking to hire a Founding Engineer to help build the core backend infrastructure powering the next generation of AI agents. This is an excellent opportunity for engineers with 0-7 years experience who have shipped... 

    Alpha Associates Recruitment

    San Francisco, CA
    2 days ago
  • $130k - $150k

     ...Founding Engineer San Francisco, CA Full-time Hybrid About Shelby Shelby is on a mission to eliminate the friction of relocation for startups and their new hires. Finding a home in a competitive market like the Bay Area is stressful and time‑consuming. We are a tech-enabled... 
    Full time
    Relocation

    GoShelby

    San Francisco, CA
    3 days ago
  •  ...Founding Engineer Metalware helps protect cyber-physical systems in critical industries. We develop advanced firmware analysis and security solutions for industries where failure isn't an option. We are privileged to work on the most cutting-edge (and sometimes secretive... 
    Weekend work

    Metalware

    San Francisco, CA
    4 days ago
  •  ...Career Launch is hiring for this role and related opportunities. Career Launch is hiring candidates for Founding Engineer roles and similar opportunities with fast-moving teams. This is a remote-friendly opportunity for candidates who are analytical, practical, and comfortable... 
    Remote work

    Career-Launch.net

    San Francisco, CA
    3 days ago
  •  ...About the Role We're looking for founding Machine Learning Engineers (MLEs) to own and improve our core action models end-to-end— the intelligence that powers Composite's proactive automation platform. You'll work at the intersection of LLM inference, browser understanding... 

    Icehouseventures

    San Francisco, CA
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Founding Engineer. Be the first to apply!