Founding Engineer - San Francisco, CA

Aesona is creating an innovative consumer shopping product that acts as a digital clone of users' personal tastes. · Designing and implementing foundational systems · Developing scalable engineering solutions · ...

TalentCo are working with an Agentic AI startup looking to hire Founding Engineers into their HQ in downtown San Francisco. · Design and build AI-native systems that automate complex enterprise workflows. · Build and ship features end-to-end using Python and modern web frameworks ...

We are hiring a founding frontend engineer to help build MARTHA, an AI copilot for paid social and media buying teams at agencies. · ...

A very early-stage AI startup (founded 2024) focused on building advanced, AI-powered voice agents for enterprises. · ...

+ Founding Software Engineers (x3) · + AI/Platform Start-Up · This is a founding-level engineering role with real influence on architecture, systems, and long-term direction.You'll join as one of the early engineers working directly with founders to build core product features en ...

We're building at the intersection of autonomous systems, distributed infrastructure, and applied AI — laying the foundation for agents that don't just chat, · but run entire businesses.We're looking for a Founding Engineer (Core Infrastructure) to help design, build,and scale th ...

We are looking for a Founding Full-Stack Engineer to help build the foundation of a next-generation visual IDE that merges development design and AI workflows. · ...

+Architect secure, SOC 2 compliant data pipelines to aggregate and structure complex financial documents. · +Develop AI agents and simulation engines that model downstream impacts of major financial decisions. · +Take full ownership of the engineering lifecycle, including design, ...

We're a small team building an agentic platform for software problems inside the Global 2000. · Our product blends program analysis, developer tooling and code generation to turn enterprise transformations into something teams can do in a fraction of the time. · ...

+founding engineer+ · +help build clerat into default way people find jobs+ · + ...

+ Build AI for decision-makers: you'll be able to point to real leaders – mayors, congressmen, CEOs – and know your work helped power offices that impact millions · + Own the intelligence layer from day one: not just prompts, but the systems that turn messy executive context into ...

We are solving the last mile problem of Artificial Intelligence. We are giving LLMs hands. · You will build robust control layers using Accessibility Services and ADB. · You will optimize inference pipelines to run agentic reasoning loops locally without destroying battery life. ...

We're partnered with a Seed-stage startup who are building the next generation of AI Agents for real-world operations - starting with manufacturing and logistics, where software actually moves atoms, not just pixels. · This is not a 9–5 role. This is for people who want to build ...

As a founding engineer you will have responsibility over building generalizable AI agents. · Developing and deploying workflows in close contact with customers. · ...

We're hiring the first full-time engineer at Millee. We have a deployed V1, two active customers, and we're raising a $3M Seed round. The founders have each spent 10+ years inside the industry we're serving. · We know that with vertical AI companies, the first engineering hires d ...

We're building the AI super agent that will save 4 billion people 6+ hours per day, · As a Founding Email & Messaging Engineer, you'll be working on the core technology powering Stamp's email capabilities. · You have prior experience working with the IMAP and SMTP email protocols ...

About the role: Founding Engineer at Altara involves working onsite in San Francisco for · 5 days a week with product-first engineering mindset. · Candidates will be involved in fullstack development using Python and React/TypeScript. · ...

We are looking for a Founding Engineer to design and develop our software stack: backend workflow execution end-to-end, · AI agent orchestration layer for complex automations, · and frontend for consumer enterprise product.You will work alongside founding software engineers,found ...

Our Ideal Founding Engineer: Architect build ship production-grade systems rapidly including protocol ingestion scoring engines workflow orchestration audit trails Work end-to-end across the stack with a primary focus on backend systems and light frontend contributions for a SaaS ...

This is a Founding Engineer role in the truest sense. You will help design and build the company's core intelligence platform from zero to production. · ...

We're a YC-backed startup on a mission to bridge the gap between AI and the $5T knowledge work economy through cutting-edge data infrastructure. · ...