Senior/Staff Software Engineer, Product

The role

You will build and evolve core banking products and financial infrastructure. This includes designing data models, building backend services, and shipping entire product surfaces end-to-end.

What you will do

• Own and ship entire product surfaces end-to-end
• Build and scale core financial infrastructure including payments, transfers, invoicing, bill pay, onboarding, and card management systems
• Design data models, write migrations, and build backend services
• Work with product, design, and compliance to ship features
• Shape engineering standards and contribute to architecture decisions
• Talk to customers to figure out what to build next

Required qualifications

• Has shipped and owned full product surfaces
• Strong full-stack engineer comfortable designing API endpoints, writing database migrations, and building the frontend
• Strong product instincts regarding UX, API ergonomics, and system correctness
• Thrives working independently in a small team
• Writes clean, well-tested code and thinks about edge cases

Nice to have

• Has an intuition for financial systems (payments, ledgers, compliance)
• A genuine desire to go deep on financial systems

Benefits

• Opportunity for high growth
• High autonomy + ownership culture
• Comprehensive health + benefits plan
• Working out of our downtown San Francisco office space
• Unlimited PTO

About the company

Slash is building the future of business banking by creating financial infrastructure tailored to how businesses operate. Headquartered in San Francisco, it is a fast growing fintech that powers over ten billion dollars a year in business purchasing.