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 · ...

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 · ...

Sapiom gives AI agents trusted access to the API economy. · We're building the operating system for the next trillion buyers: AI agents that can discover services, transact autonomously, and operate securely across real-world systems. · We're hiring founding engineers to help us ...

Role: Founding Engineer · Location: San Francisco, CA (On-site, 5.5 days per week) · Compensation: $160K – $260K + 0.5% – 1.5% equity · Visa: Possible for exceptional candidates · Company · A very early-stage AI startup (founded 2024) focused on building advanced, AI-powered voic ...

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 ...

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. · ...

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're a fast-growing Silicon Valley startup backed by top-tier investors, · building category-defining AI infrastructure for the next decade.A founding engineer who wants ownership. · ...

· 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-time · Start D ...

The Founding Engineer will move away from maintenance work and incremental updates to focus on 0-to-1 builds,rapid prototyping,and shipping the MVP that defines the company. · 5+ years of Full Stack engineering experience. · ...

· Who We Are · Kipsi is a venture-backed bespoke technology platform for accounting firms looking to streamline and automate their client engagements. Our software helps firms of all sizes complete client engagements efficiently and effectively. Kipsi is based in the Bay Area bu ...

We are representing an elite, early-stage startup that is moving faster than almost anything in the market right now.Funded by 2x YC founders (Harvard + MIT alums), this team went from $0 to $30k MRR in under 30 days. · They are building the AI Platform for Precision Outbound, cr ...

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. · ...

Founding Product Engineer · San Francisco (in-person) · $175k–$250k + up to 2% equity · Hiring a Founding Engineer to join an early-stage team building a next-generation product for developers. · This is a true zero-to-one role with full ownership across the stack and direct impa ...

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. · ...

Who We Are · Kipsi is a venture-backed bespoke technology platform for accounting firms looking to streamline and automate their client engagements. Our software helps firms of all sizes complete client engagements efficiently and effectively. Kipsi is based in the Bay Area but w ...

A reputable early-stage startup is building game-changing technology-driven software for the hospitality industry. This role involves working directly with the founding team to shape core architectural decisions and establish engineering culture. · ...

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 looking for a frontend-leaning engineer to join an early-stage, well-funded startup building a consumer-facing financial product with meaningful real-world impact. · +Design, build, and evolve the frontend architecture for a mobile application using React Native, with futu ...

We're building the first telemetry and production system purpose-built for Large Language Models (LLMs). Our platform gives AI complete visibility and control over running software so applications can detect, triage, and automatically fix production errors—without user prompts.De ...