Founding Product Engineer (200K-220K + 0.8-1.0 Equity) at Pool

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 Jacks network.

The next step is to speak to Jack.

Job Title: Founding Product Engineer

Salary: $200K-$220K 0.8%-1.0% Equity

Company Description: Pool - Seed-stage fintech ($4.5M raised) backed by Notation Capital and Asylum Ventures.

Job Description:

Join as the third engineer building the financial account for groups. You will own features end-to-end from crafting intuitive UIs in React to architecting backend services in Go. This is a high-impact role at an early-stage startup where your work directly enables co-ownership of money for thousands of users.

Location: San Francisco USA

Why this role is remarkable:

• Join an elite three-person engineering team led by a YC alum and former Block/Cash App leaders who have previously scaled payment products to 50k users.

• Shape the foundational codebase and product direction of a company with $4.5M in funding and a waitlist of thousands eager for better shared banking.

• Tackle complex consumer UX challenges in fintech creating sophisticated role-based permissions and spending controls that feel effortless for everyday users.

What you will do:

• Design build and ship high-quality consumer features using a modern stack of TypeScript React Go and PostgreSQL.

• Collaborate directly with the founder and engineering lead to scope product requirements and architect resilient financial infrastructure on AWS.

• Leverage emerging AI tools to accelerate development speed while maintaining the high bar for detail required in a trusted payment application.

The ideal candidate:

• Significant professional experience with React and TypeScript demonstrating a strong product sense and obsession with high-quality consumer UX details.

• Proven track record of shipping meaningful products from scratch ideally as an early or founding engineer at a fast-growing startup.

• Technical flexibility to work across the stack with a willingness to master Go and manage infrastructure using Terraform and Docker.

Who are Jack & Jill

Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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 Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.

Step 2. Click Talk to Jack.

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 youre 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 isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.

Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.

We appreciate this can make them look a bit suspect but there isnt 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 were giving his services away for free.

Required Experience:

IC