Staff Software Engineer at Series C fintech leader with $534M raised

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. With $534M in funding and a spot on the Forbes Fintech 50, they are looking for a Staff Engineer to re-architect their systems for the next phase of scale. 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.

Overview

Role overview

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.

Company

Parafin

Finance

Series C fintech leader with $534M raised from Thrive Capital and Ribbit Capital

Responsibilities

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.

Candidate profile

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.

What makes it remarkable

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.

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