Staff Software Engineer, Partner Platform
Company: Parafin
Location: San Francisco
Posted on: April 5, 2026
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Job Description:
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: We are looking for
an experienced user-focused backend software engineer to join our
Partner Platform team in San Francisco. In this Staff role, you
will shape the technical direction of partner-facing experiences
and deliver high-leverage systems that improve how partners build
with Parafin. The Partner Platform team owns the foundational
systems that power partner integrations at Parafin. We build and
operate partner data ingestion pipelines, DAG-based processing
systems, public APIs, durable webhook delivery infrastructure,
sandbox environments, and partner-specific integrations. We
collaborate across engineering and data teams to ensure partner
data reliably powers underwriting, risk evaluation, and reporting
workflows. Our roadmap includes major platform modernization
efforts, including evolving our data architecture and strengthening
the reliability and scalability of our asynchronous, event-driven
systems. The ideal candidate thrives in a fast-paced environment,
combines strong technical fundamentals with pragmatic judgment, and
can lead ambiguous, cross-functional initiatives from strategy
through execution. What You’ll Be Doing: Lead the technical design
and evolution of key components of our partner platform
infrastructure, including partner data ingestion and sharing
systems, public APIs, and durable webhook delivery systems. Drive
end-to-end initiatives that improve the partner journey, from
developer tooling and dashboards to the underlying platform systems
that power ingestion, APIs, and real-time partner updates. Set
direction through technical vision, RFCs, and architecture reviews,
aligning stakeholders across engineering, data, and product on
priorities and tradeoffs. Design and operate asynchronous,
event-driven systems to reliably process partner data and deliver
real-time updates to partner systems. Raise the bar for engineering
quality through mentoring, code review, and improving team
processes, reliability practices, and on-call health. What We’re
Searching For: 8 years of experience building and operating
production backend or platform systems. Bachelor's Degree or higher
in Computer Science (or related field) You care deeply about
building high-quality software and take immense pride in your
craft. You have experience leading ambiguous, cross-functional
projects and can make sound tradeoffs across reliability,
scalability, developer experience, and time to value. You are
comfortable owning and driving the development of both product and
platform initiatives from scratch. You take the initiative to
identify commonalities between different problem statements and
design appropriate abstractions accordingly. You have a strong
grasp of engineering fundamentals. You have experience building and
operating asynchronous systems or data pipelines in production
environments. You are excited about working on a small team and
helping us set the foundations for the company. What We Offer:
Salary Range: $265k - $330k Equity grant Medical, dental & vision
insurance Work from home flexibility Unlimited PTO 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.
Keywords: Parafin, Laguna , Staff Software Engineer, Partner Platform, IT / Software / Systems , San Francisco, California
