Senior Fullstack Engineer, Payments ($180K-$200K + Equity) for a Trading Card Marketplace

About the job
This role is being recruited by CoffeeSpace on behalf of an anonymous financial technology startup building the financial engine for a double-sided marketplace focused on trading cards.
We’re identifying a small number of exceptional senior fullstack engineers from our network. If there’s a strong fit, we’ll introduce you directly to the team.
Location: United States
Compensation: $180K - $200K base + competitive equity
Employment type: Full-time
About the company
This company is on a mission to unlock the value of alternative assets, focusing on a marketplace where collectors can buy, sell, vault, and finance trading cards. The platform experienced significant growth, driven by features like "Snap to Sell."
The company is backed by elite investors, having raised over $146M, with support from notable figures such as Sam Altman and athletes like Tom Brady. With a fresh $40M debt financing, the company is in strong financial health.
The team is around 50 people and operates in the financial services, fintech, marketplace, and crypto industries.
About the role
You’ll be responsible for building the payments infrastructure that processes large ACH transactions, essential for the marketplace's operations. This role involves working predominantly on backend systems with Python, while also engaging with frontend technologies like React and React Native.
You’ll collaborate within a small payments pod of three engineers, focusing on processing high-value transactions and developing new financial products.
What You’ll Do
Process large-value transactions through integrations with Stripe and banking partners
Build and maintain a custom double-entry ledger system
Develop new ledgers for future lending and financial products
Work primarily on backend systems with Python, and frontend with React/React Native
Collaborate in a small, agile engineering team
Why This Role Is Compelling
You’ll join a company with significant market traction and strong investor backing
You’ll work on a platform that powers a $5B market in trading cards
You’ll have the opportunity to build infrastructure from the ground up alongside other senior engineers
Enjoy a 100% remote work setup with comprehensive benefits
The Ideal Candidate
3-5+ years of experience in fullstack engineering roles
Proficient in Python, Postgres, AWS, React, TypeScript, and Stripe
Experience with processing large-value transactions and ledger systems
Comfortable working in a small, agile team environment
Based in the United States and able to work remotely
Next steps
1. Apply via this LinkedIn job post
2. We’ll review and reach out if there’s a strong match
3. If aligned, we’ll introduce you directly to the team
4. If this role isn’t the right fit, we may suggest and make introductions to other high-signal startup roles we’re recruiting for, always with your permission.
A quick note on authenticity
This is a real, active role that CoffeeSpace is recruiting for in close partnership with the hiring team. We don’t post speculative roles and work directly with teams on their actual hiring needs.

Work arrangement
Yes