What are the responsibilities and job description for the Founding Builder at San Francisco Venture Studio building AI-native startups position at Jack & Jill?
This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jack's network.
The next step is to speak to Jack.
Job Title
Founding Builder
Salary
Not Disclosed
Company Description
High-velocity San Francisco Venture Studio building AI-native companies from scratch
Job Description
As a Founding Builder, you will spearhead zero-to-one execution for new greenfield projects. Operating at the center of an elite venture studio, you will transform raw concepts into production-ready platforms. This is a 100% hands-on role for a power-user of AI-augmented development who thrives on shipping code at extreme speeds.
Location
San Francisco, USA
Why this role is remarkable
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Next steps
Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-builder-at-san-francisco-venture-studio-building-ai-native-startups-1571dec5-b9f1-449d-a944-5c0eccaaa2b3?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_1571dec5-b9f1-449d-a944-5c0eccaaa2b3
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
She will pick the best candidates from Jack's network.
The next step is to speak to Jack.
Job Title
Founding Builder
Salary
Not Disclosed
Company Description
High-velocity San Francisco Venture Studio building AI-native companies from scratch
Job Description
As a Founding Builder, you will spearhead zero-to-one execution for new greenfield projects. Operating at the center of an elite venture studio, you will transform raw concepts into production-ready platforms. This is a 100% hands-on role for a power-user of AI-augmented development who thrives on shipping code at extreme speeds.
Location
San Francisco, USA
Why this role is remarkable
- Act as the founding architect for multiple category-defining startups, moving from napkin sketches to functional MVPs in weeks rather than quarters.
- Gain unique leverage by mastering a 10x workflow using frontier AI tools like Claude Code, Cursor, and terminal-based agents within a high-performance studio environment.
- Work in-person in downtown San Francisco alongside world-class builders, avoiding the friction of remote communication to maximize creative output and rapid iteration cycles.
- Architect and build complex autonomous multi-agent systems using frameworks like Agno or LangGraph and custom LLM orchestration harnesses.
- Take full ownership of the tech stack, from designing database schemas and high-performance backend services in Go or Rust to crafting modern React interfaces.
- Represent the studio's engineering culture by publishing technical writing, contributing to open-source projects, and presenting at top-tier industry conferences.
- Expert-level practitioner of AI-native development workflows with a proven track record of shipping successful greenfield projects from scratch.
- Technical polyglot capable of switching seamlessly between low-level system design, AI data layers in Python, and high-quality frontend implementation.
- Strong communicator who can articulate complex architectural decisions to teammates and founders while maintaining a modular, human-legible codebase amidst AI-generated output.
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Next steps
Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-builder-at-san-francisco-venture-studio-building-ai-native-startups-1571dec5-b9f1-449d-a944-5c0eccaaa2b3?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_1571dec5-b9f1-449d-a944-5c0eccaaa2b3
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.