Founding Engineer
$120k - $180kFlowtel
Founding Engineer – Staff/Senior Location: San Francisco, CA Type: Full-time, In-person Flowtel is building the next-generation operating system for hospitality, powered by modern AI agents that can handle everything from booking to room service. We just launched, secured $3 million in seed funding, and are backed by YCombinator. Flowtel is an AI‑first company. Every part of the business uses AI thoughtfully—product, sales, marketing, operations, support, and of course, engineering all run with AI at the core. We keep our team small and talented, so everyone is an engineer at heart, hands‑on with code, systems, and product decisions. What We’re Looking For High Agency Extreme AI coding experience Loves agents more than humans Compensation Senior Engineer: $120K–$180K + ~0.5% equity Ex‑founder/Staff Level: $180K–$250K + 1%–3% equity #J-18808-Ljbffr
$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...SuggestedFull timeContract workRemote work$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...SuggestedFull timeLocal areaRelocationVisa sponsorshipRelocation package$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...SuggestedFull timeWork at officeImmediate startRemote work2 days per week3 days per week$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,...SuggestedFull timeWork at officeFlexible hours$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...SuggestedFull timeRelocationVisa sponsorship$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...Full time$150k - $250k
...places, millions of events) and is now building an intelligent, social product experience on top of it. They're looking for a Founding Engineer to join on-site in San Francisco. This is a rare opportunity to shape core systems and product from the ground up alongside...Full timeRemote workRelocationVisa sponsorship$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 timeRemote workVisa sponsorship- ...Weave At Weave, we’re building the best software for the best engineering teams to move faster, and we want to hire exceptional sales talent... ...runs engineering at Weave, and before that worked as the founding engineer at Causal. Responsibilities Build pipeline: do whatever...Flexible hours
$120k - $200k
...housing, infrastructure, and communities can get built. Compensation: $120 K – $200 K, 1.00% – 2.00% equity. About The Role As a Founding Engineer, you will work directly with the founders on difficult applied‑AI and distributed‑systems problems that sit at the...For contractorsLocal area- ...We’re hiring a Founding Full-Stack Engineer to join our team! This role is full-time in San Francisco at our Presidio office. Gauge helps companies show up in more AI answers. Search traffic is shifting away from Google into AI chat, and companies are figuring out how...Full timeWork at officeImmediate startShift work
- ...Parachute is a Y Combinator S25 startup building an agentic trading platform. As a Founding Engineer, you will work directly with the founders to build production-grade agentic systems, backend infrastructure, and state-of-the-art quantitative trading strategies and backtesting...
- ...Blind Bio is solving for. About the Role As an AI‑focused Software Engineer at Double Blind Bio, you will help build and operate... ...research workflows Experience working in early ‑stage startups or founding teams Deep expertise in at least one area of the stack (frontend...Worldwide
- ...meaningful projects in our product pipeline, and we need to grow the engineering team to build out the vision. From day 1 you’ll hit the ground... ...with some of the most exciting work of your career. As a Founding AI Engineer, you’ll be working on new applications of AI that...
- ...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
$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- ...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...
- ...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,...
$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- ...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
- ...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
- ...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...
- ...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
- ...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 timeContract workRelocation
$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 office2 days per week- ...We are looking for a highly skilled AI Developer to join us on our mission to build the future of search. As the founding engineer, you'll shape the foundation of a high-impact technology with a scrappy but rigorous, and a product-led growth mentality. You will have the...
- ...platforms. Define Technical Strategy and Culture: You will collaborate closely with the founding team to shape technical strategies, influence product development, and establish our engineering culture and best practices. Proactive Problem Solving: You will drive success by...
- ...You'll work at the intersection of software engineering, AI, and product design . You will own the full lifecycle of AI features , from... ...challenges and rapidly iterate on AI solutions. Collaborate with the founding team to shape the product roadmap based on real customer needs...
- ...We're looking for a Founding Engineer with deep AI infrastructure experience to design, build, and scale the systems that power our products. This is a hands-on, high-ownership role: you'll own everything from model serving and inference optimization to data pipelines,...
- tl;dr: Interface is looking for generalist founding engineers (ml, data, full-stack) who are scrappy, push boundaries and have a need to win. We need to work hard and build quick to win. We want people to challenge our ideas and build alternatives. LFG who you are:...Work at office
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