Join the market-leading embedded lending platform that enables giants like Amazon and DoorDash to offer financial tools to small businesses. As a Staff Engineer, you will re-architect backend systems for massive scale, owning end-to-end technical projects across lending, banking, and AI-powered decisioning platforms that process billions of data points.
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Learn about Jack
Staff Software Engineer at Parafin
Small businesses power the economy, but traditional banks often fail them. This market-leading embedded lending platform is changing the status quo, processing billions of data points through AI-powered underwriting to provide instant financial tools via partners like Amazon and DoorDash. If you have 6+ years of experience and want to join a lean, elite team of engineers from Robinhood and Stripe, this is your chance to build infrastructure that moves real money for hundreds of thousands of businesses.
About this role
Role overview
About the company
Finance
Parafin is the market-leading platform for embedded lending (powering Amazon, Walmart, DoorDash, TikTok, Worldpay). In 4 years we’ve grown to ~$100M revenue with ~100 people and are operating around breakeven. We just launched a new product, Pay Over Time, an AI-driven SMB credit product growing 2x faster than our flagship product. We are backed by leading investors such as Thrive Capital, Ribbit Capital, GIC, Notable Ventures, Redpoint Ventures.
What you'll do
What you will do
- Design and maintain high-performance backend systems in Python and Go that process credit decisions in under 10 seconds.
- Lead the architectural evolution of lending infrastructure, spanning flex loans, BNPL, and real-time banking experiences.
- Partner with Data Science teams to integrate ML infrastructure, making merchant underwriting more powerful and intelligent through automated decisioning.
Who you are
Who this is a fit for
- Possesses 6+ years of backend engineering experience, with a proven track record of scaling production systems at high-growth fintech startups.
- Demonstrates deep technical expertise in Python, distributed systems, API design, and cloud infrastructure within AWS or GCP environments.
- Thrives in fast-moving, high-ownership environments where you are expected to ship with urgency and provide technical leadership that elevates the entire team.
Why this role
Why this role is remarkable
- Work at a Forbes fintech 50 firm that has scaled to ~$100M in revenue with a lean 100-person team while operating near breakeven.
- Re-architect systems for a company that expanded from one to three business lines in a single year, including a new AI-driven credit product growing 2x faster than the flagship.
- Join an elite engineering culture with veterans from Robinhood, Stripe, and Netflix, backed by top-tier investors like GIC, Notable, and Redpoint Ventures.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.