Slash
Senior/Staff Software Engineer, Product
$250K–$350K
San Francisco Office · On-site · Staff · Full-time · Posted May 28, 2026
About the job
Build and evolve Slash’s core banking product and financial infrastructure, owning customer-facing product surfaces from data model and APIs through frontend delivery.
What you'll do
- Own and ship end-to-end product surfaces, including database schemas, APIs, and customer-facing features.
- Build and scale financial systems such as payments, transfers, invoicing, bill pay, onboarding, and card management.
- Design data models and backend services, collaborate with product, design, and compliance, and contribute to engineering standards and architecture.
What they ask for
- Experience owning complete product systems from data model through deployment.
- Full-stack engineering ability, including API design, database migrations, and frontend development.
- Strong product judgment across user experience, API ergonomics, and system correctness.
- Ability to work independently in a small, fast-moving team and deliver clean, well-tested software.
Nice to have
- Intuition for financial systems such as payments, ledgers, or compliance, or a genuine desire to learn them.
Pay
$250K – $350K (base salary); Offers Equity
Model-written summary · the original posting is authoritative