Senior Software Engineer

About Us :

At Parafin, we’re on a mission to grow small businesses.

Small businesses are the backbone of our economy, but traditional banks often don’t have their backs. We build tech that makes it simple for small businesses to access the financial tools they need through the platforms they already sell on.

We partner with companies like DoorDash, Amazon, Worldpay, and Mindbody to offer fast and flexible funding, spend management, and savings tools to their small business users via a simple integration. Parafin takes on all the complexity of capital markets, underwriting, servicing, compliance, and customer service for our partners.

We’re a tight-knit team of innovators hailing from Stripe, Square, Plaid, Coinbase, Robinhood, CERN, and more — all united by a passion for building tools that help small businesses succeed. Parafin is backed by prominent venture capitalists including GIC, Notable Capital, Redpoint Ventures, Ribbit Capital, and Thrive Capital. Parafin is a Series C company, and we have raised more than $194M in equity and $340M in debt facilities.

Join us in creating a future where every small business has the financial tools they need.

About the Position :

As a Senior Software Engineer at Parafin, you will play a pivotal role in building, scaling, and maintaining our financial infrastructure. This position offers the opportunity to work across various engineering teams to design and develop robust, secure, and high-performing systems that power our embedded financial products. You will tackle critical technical challenges, mentor fellow engineers, and influence the strategic direction of our technology stack.

We are hiring across multiple teams, and candidates will be considered for the team that best aligns with their experience and interests.

Teams Hiring :

1. Merchant Decisioning

Develop and enhance our core underwriting models to assess risk and provide real-time financing decisions.

Integrate data from multiple sources to refine risk models and improve decision accuracy.

Optimize pricing and loan offer generation to balance risk and business growth.

2. Merchant Platform

Design and build scalable systems that support our merchant-facing products and services.

Develop features that enhance the merchant experience and drive engagement.

Collaborate with cross-functional teams to deliver seamless product integrations.

3. Partner Platform

Build and optimize APIs that enable seamless embedding of Parafin’s financial products into partner platforms.

Work closely with external partners to enhance integration capabilities and improve adoption.

Develop internal tooling to improve operational efficiency and customer experience.

What You’ll Do :

Design, build, and maintain scalable and reliable backend systems.

Own and drive technical projects from ideation to deployment.

Collaborate with cross-functional teams, including Product, Data Science, and Operations.

Improve system performance, security, and reliability through continuous optimization.

Mentor and guide other engineers, fostering a culture of technical excellence.

What We Look For :

5+ years of software engineering experience, preferably in fintech or financial services.

Strong proficiency in backend development, ideally with Python, Go, or similar languages.

Experience with cloud infrastructure (AWS, GCP) and scalable system design.

Deep understanding of distributed systems, databases, and API development.

Passion for building impactful financial products that empower small businesses.

Bachelor's Degree in Computer Science (or related field of study).

What We Offer :

Salary Range : $205k - $250k

Equity grant

Medical, dental & vision insurance

Unlimited PTO & work from home flexibility

Commuter benefits

Free lunches

Paid parental leave

401(k)

Employee assistance program

If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please contact us.

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