Founding Engineer

Location: San Francisco, CA (Union Square area)

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client, is an applied AI research lab building high-fidelity agent environments and tooling with the bold thesis of becoming the single global workforce supplier of AI employees for the entire global economy. They are currently focused on conquering the frontiers of planning, memory, and "always-on-behavior" for their agents.

As a Founding Engineer, you will have a high-agency role, working directly with the CEO and founding team. Your contributions will go beyond just code, actively shaping the product, culture, and architecture. You must be prepared to ship fast, experiment, and iterate without heavy process.

What You'll Do

Location: San Francisco, CA

Employment Type: Full-time

On-site: 5 days a week in-office

About the Role

Our client, a high-growth AI company building advanced conversational AI agents for enterprises (with over $231 million in funding and clients like Duolingo and Notion), is seeking a Staff Data Scientist. This role demands deep technical rigor to analyze, test, and apply data across the business.

You'll blend advanced analytical expertise with product acumen to influence strategic decisions at the highest levels, being the primary driver of the experimentation culture.

What You'll Do

Location: San Francisco, CA (Mission District)

Employment Type: Full-time

Work Arrangement: On-site 5 days per week

About the Role

Our client, Automat, Inc., is a rapidly scaling enterprise AI company with $20 million in funding, focused on redefining Robotic Process Automation (RPA) and Intelligent Document Processing (IDP). Their mission is to make teaching AI agents to build automations as easy as showing a colleague the desired workflow.

They are seeking a product-minded Full-Stack Software Engineer to join their small, early-stage team. This is a high-impact role where your contributions will go beyond code, actively shaping the technical direction and culture. You will be responsible for building the robust, foundational product that supports their complex, large-scale customer deployments.

What You'll Do

Location: San Francisco, CA

Employment Type: Full-time

Work Arrangement: On-site (minimum 3 days per week)

About the Role

Our client, a venture-backed company aiming to revolutionize the networking industry by creating a vertically integrated infrastructure provider, is seeking a Model Engineer to join their founding core AI team. This is a high-impact role focused on transforming a market with hundreds of billions in revenue by applying cutting-edge machine learning to internet infrastructure.

You will be responsible for the full lifecycle of model development, from data to production deployment, and will directly collaborate with founders to define technical vision and team culture.

What You'll Do

Location: San Francisco, CA (Union Square)

Employment Type: Full-time

On-site: 5 days a week in-office

About the Role

Our client, an AI company recently acquired by a major industry leader, builds a GenAI-native platform that automates tax document processing, serving top accounting firms and private wealth offices. Their technology achieves high accuracy by turning tens of thousands of pages of complex tax documents into structured data in minutes.

They are seeking an exceptional Member of Technical Staff (Backend) with a desire for outsized responsibility and impact. This engineer will be crucial in building the core systems that deploy their machine learning capabilities and driving architectural choices for their core services.

What You'll Be Doing

Fullstack Engineer (Python, React)

Location: San Francisco, CA

Employment Type: Full-time

On-site: 9-9-6 in-office schedule

About the Role

Our client is an intensely ambitious, hyper-growth AI startup that is completely rebuilding the foundation of the world’s largest industry: Insurance Claims Processing. They achieved six-figure ARR in just three months and raised a highly oversubscribed $3.8 million seed round from top-tier investors. Their team comes from elite global AI labs (Oxford, Cambridge, ETH Zurich).

They are seeking a Fullstack Engineer with a strong backend focus and clear signals of technical excellence. This role is defined by total ownership—you will be expected to ship features end-to-end and solve every problem, from core infrastructure design to direct client integrations for AI use cases.

What You'll Do

Location: San Francisco, CA (Near Salesforce Tower) Employment Type: Full-time On-site: 5 days a week in-person

About the Role

Our client is an AI startup building foam, a cutting-edge tool designed to be the highest-signal solution for solving software bugs. They've raised $2.4M from notable investors and are focused on making engineering jobs more engaging by automating the debugging process.

They are seeking a Full Stack Product Engineer—a generalist who is comfortable wearing all the hats. In addition to classical full-stack work (from CSS to the database level), you will be expected to increase the general intelligence of the platform by designing and implementing cutting-edge AI product features.

What You'll Do

Location: San Francisco, CA (On-site) or Bangalore, India

Employment Type: Full-time

About the Role

Our client is an innovative AI startup with $6.88 million in funding, dedicated to helping people land their dream jobs with tools like AI Interview Copilot and Mock Interviews. They are seeking a Founding Fullstack Engineer to build their next generation of consumer and business-facing products. This is a high-autonomy role for a strong builder who is comfortable writing scalable business logic on the backend and driving elegant frontend solutions, with a strong emphasis on leveraging AI, LLMs, and agent systems.

This role demands a high degree of independent technical decision-making and ownership across the entire product lifecycle.

What You'll Do

Founding ML/Data Science Engineer

Location: San Francisco, CA (Hybrid) Employment Type: Full-time

About the Role

Our client is building the revenue execution system for B2B enterprises, tackling the underpenetrated space of post-sales enablement. They are combining LLMs with structured customer data to automate account scoring, cohort segmentation, and expansion playbooks. As a Founding ML/Data Science Engineer, you'll work directly with the founders to architect, build, and scale this platform from 0 to 1, with full ownership of core features.

This role requires a hybrid engineer who can both architect production ML systems and make sophisticated modeling decisions. You'll need to be equally comfortable with classical ML and cutting-edge language models.

Core Responsibilities

Location: San Francisco Bay Area

Employment Type: Full-time

Work Arrangement: Hybrid

About the Role

Our client is building the first browser-native AI agents for financial advisory. Their agents can see what's on-screen, understand context, and perform compliant actions and multi-step workflows across any tool without APIs. They are a VC-backed startup with millions in funding and support from leading fintech investors.

They are seeking a Founding Fullstack Engineer to work closely with the CTO, CPO, and design team to deliver core product features and evolve their AI agent platform. This role offers early ownership, rapid shipping, and direct influence on the company's technical direction.

What You'll Do

• Cover the full stack, including front-end web applications and back-end services.
• Develop core features for browser automation and enterprise integrations.
• Evolve and integrate AI-driven workflows into the platform.
• Own projects from conception to deployment in a high-autonomy, fast-paced environment.

Requirements