Founding Engineer Jobs

This will be the most challenging (but rewarding) build of your life. You'll be joining a kind & smart team of engineers that delivers at the highest level. You're not here for the early startup paycheck, instead, you're in for the long game and car…

Sales software platform (CRM, Prospecting Service) for independent businesses in the construction supply industry. Our customers are blue-collar, entrepreneurial teams who have been underserved by technology. We provide them the tools to compete hea…

At Pocketflows, we’re on a mission to help Main Street SMBs grow. We build marketing and communication APIs that embed inside the vertical SaaS platforms that businesses like salons, fitness studios, and restaurants already use to run their operatio…

We are building the best-in-class phone AI for restaurants, enabling autonomous agents to handle orders, reservations, and customer inquiries. As a founding engineer, you’ll shape our core product while working directly with cutting-edge LLMs, devel…

We are building a truly private, open-source LLM gateway to address privacy problems around using LLMs. When we interact with AI-based services, we face the fundamental tension between utility and privacy. Current solutions to this problem are inade…

We just raised series seed and looking for a founding engineer. We're reshaping healthcare for the $60 billion Medicare market. Engineering culture is one that values learning, freedom to write code instead of overhead, fast pace, and using AI tooli…

We're building an AI Creative Suite that empowers creators with cutting-edge AI models and an advanced editor.

CreativeMode is building Lovable for video game mods, starting with Minecraft. In our first three months, we built the most powerful no-code modding platform ever for Minecraft and created a double digit percentage of all mods ever released. We’re b…

Our final boss is to de-throne Yelp with co-op

Energy is the #1 constraint in new datacenter buildouts. Neuralwatt is reshaping AI compute around energy efficiency to maximize revenue per kilowatt. We’re a VC-backed, early-stage startup building optimization tools for AI, HPC, and datacenter wor…

We're the UK's fastest growing AI voice company (~30% MoM) - very deeply focused on the trades industry right now (think your friendly neighbourhood plumbing company). We're a small but experienced team hiring 3 more to join.

We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more. We're selling to developers & startups so our audience is right here on this website! If you app…

Channel3 is hiring a Founding Engineer to help us build a database of every product on the internet. Our API lets any AI app or agent add shopping capabilities and earn commission on sales. As commerce moves from in-store, to online, to AI-native, t…

We are building an AI platform that empowers retail traders with institutional-grade research tools and real-time strategy guidance. As our first technical hire, you will own the full lifecycle from AI model research to production deployment. You wi…

Early stage Rails engineer wanted to build AI-driven enterprise wealth tools in NYC. Founding role, high ownership, direct impact. We’re a seed-stage NYC startup reimagining how wealth management firms work. LEA extracts structured data from complex…

We are building the best-in-class phone AI for restaurants, enabling autonomous agents to handle orders, reservations, and customer inquiries. As a founding engineer, you’ll shape our core product while working directly with cutting-edge LLMs, devel…

Energy is the #1 constraint in new datacenter buildouts. Neuralwatt is reshaping AI compute around energy efficiency to maximize revenue per kilowatt. We’re a VC-backed, early-stage startup building optimization tools for AI, HPC, and datacenter wor…

We are building a truly private, open-source LLM gateway with outstanding user experience to address privacy problems around using LLMs. When we interact with AI-based services, we face the fundamental tension between utility and privacy. Current so…

superglue is an integration layer for developers, agents, and enterprises. Our open source product enables users to integrate and orchestrate APIs via natural language at a higher reliability (91%) than any general purpose model. We are making agent…

Hiring design & founding engineers! We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more.

Thoreon Research is an early-stage startup on a mission to revolutionize the clinical research industry. The process of bringing new treatments to patients is slow, complex, and expensive. We believe that intelligent AI agents can fundamentally resh…

Broadn works with USA manufacturers to help them accelerate the configuration, pricing and quoting process for their industrial products. Our platform handles manufacturers operating in electronic parts, pipes, packaging, aerospace, defense and meta…

Sales software platform (CRM, Prospecting Service) for independent businesses in the construction supply industry. Our customers are blue-collar, entrepreneurial teams who have been underserved by technology. We provide them the tools to compete hea…

We are looking for a founding engineering to help us continue our mission of building a fully-automated Managed Detection & Response (MDR) platform. Our ideal engineer has a broad set of experience across frontend, backend, infrastructure, cybersecu…