Senior Fullstack Engineer (Fintech Trading Card Marketplace)

This role is being recruited by CoffeeSpace on behalf of an anonymous fintech startup that operates a double-sided marketplace for 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 founding team.

Location: United States / Remote

Compensation: $140K - $180K base + competitive equity

Employment type: Full-time

Visa: Open to visa transfers(e.g. OPT, H1B)

About the company

This company is on a mission to unlock the value of alternative assets, focusing on the trading card market. It provides a platform where collectors can buy, sell, vault, and finance trading cards. The company experienced significant growth last year, driven by their innovative "Snap to Sell" feature.

Backed by elite investors and notable figures, the company has raised over $146M, with recent debt financing indicating strong financial health. Founded in 2020, it has quickly grown to a team of 50, with a focus on financial services, marketplace operations, and fintech solutions.

About the role

You will be responsible for building the financial engine that powers the marketplace's payments infrastructure. This includes processing large ACH transactions and developing new financial products. The role involves working primarily on the backend with Python, while also engaging with frontend technologies like React and React Native.

You'll join a small, focused team of engineers dedicated to the payments infrastructure, collaborating closely on a ticketing basis to address complex challenges.

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 financial products
• Work primarily with Python on the backend and React/React Native on the frontend
• Collaborate within a small payments pod to deliver solutions

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Why This Role Is Compelling

• Join a company with strong financial backing and momentum in the trading card market
• Work on a platform that experienced 505% growth last year
• Be part of a collaborative team building financial infrastructure from the ground up
• Enjoy a fully remote work setup with comprehensive benefits

The Ideal Candidate

• 3-5+ years of experience as a fullstack engineer
• Proficient in Python, Postgres, AWS, React, and TypeScript

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• Experience with large-value transaction processing and ledger systems
• Strong collaboration skills within a small, focused engineering team

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.