Senior Software Engineer, Infrastructure (San Francisco)

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 PositionWe're seeking an experienced software engineer to join our Infrastructure team and help build the foundation for our rapidly growing financial technology platform. The Infrastructure team at Parafin owns core platforms spanning across cloud infrastructure, developer experience, data infrastructure and security. In this role, you'll design, implement, and maintain critical infrastructure systems that power our products and services, ensuring reliability, scalability, and security.What You’ll Be Doing:Design and implement robust, scalable infrastructure platforms to support our growing user base and expanding product offeringsCollaborate with cross-functional teams to support new classes of applications and use casesDevelop and maintain software spanning cloud infrastructure, developer experience, data infrastructure, and securityWork to better availability guarantees, system performance, and observabilityBuild easy-to-use abstractions with Terraform to empower engineers and increase development velocityMentor junior engineers and contribute to the technical growth of the teamWhat We’re Searching For:4+ years of experience in software engineering, with a focus on infrastructure and distributed systemsStrong design, coding, and debugging skills; expertise in understanding/advocating for secure and scalable design/coding practicesDeep understanding of cloud platforms (preferably AWS) and their servicesExperience with technologies and concepts like Airflow, Datadog, Buildkite, Postgres, and Auth. Familiarity with infrastructure-as-code practices and tools such as TerraformKnowledge of relational database systemsStrong problem-solving skills and ability to debug complex systemsExcellent communication skills and ability to work effectively in a collaborative environmentWe Prefer If You Have:Experience with financial systems or working in the fintech industryContributions to open-source projects or internal toolsKnowledge of infrastructure best practices and experience building easy-to-use abstractionsWhat We OfferSalary Range: $220k-$265kEquity grantMedical, dental & vision insuranceUnlimited PTO & work from home flexibilityCommuter benefitsFree lunchesPaid parental leave401(k)Employee assistance programIf 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.LocationSan Francisco, CAEmployment TypeFull timeLocation TypeHybridDepartmentEngineering