Founding Engineer - San Francisco

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 · ...

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

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

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. · ...

We're looking for founding engineers to drive our product development from the ground floor. · You won't just optimize existing software, you'll own new features/products to improve and expand our firmware analysis platform. · ...

+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 are a well-funded early-stage AI startup building an AI-powered command center for senior leaders in government and enterprise. Our platform helps decision-makers manage time relationships and strategy using modern AI systems.The company has real customers strong traction and ...

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

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 and environments. · ...

We're building a search engine for human thought. · While you might go to Google to search through the web, you come to Terac to search through human opinion. Consumer research teams at DoorDash, Notion, and Posh use Terac to test features and products before launch. Our AI-nativ ...

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 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. · ...

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 ...

This is a true 0-to-1 role as founding engineer to build AI agents that connect people - not demos, real products with real users. · Building the core product end-to-end (frontend, backend, AI workflows) · Shipping fast, owning production, and iterating directly with users · ...

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. ...

Early-stage AI startup hiring founding engineer to shape technical direction and build core systems from scratch. · 4–10+ years of full-stack engineering experience. · Experience (or strong interest) working with AI/LLM-powered products. · ...

We're building AI to power the world's leaders — from Senators to CEOs. · 4+ years of experience shipping full-stack, production-grade products · Experience at an early-stage startup – shipping daily and iterating quickly · ...

We're looking for a Founding Engineer to join our growing engineering team at Kipsi. You'll have the opportunity to influence everything including engineering culture product roadmap architecture strategy. · Working across the entire stack using cutting edge frameworks tools. · T ...

We're building the hybrid law firm for startups combining AI-powered technology with experienced attorney oversight to deliver faster more affordable and transparent legal services. · The OpportunityWe're looking for a Founding Engineer / Head of Engineering to own the technical ...

We're building the AI super agent that will save 4 billion people 6+ hours per day and we're looking for the world's greatest builders to do so. · As a Founding Email & Messaging Engineer you'll be working on the core technology powering Stamp's email capabilities. · ...

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 ...