Senior/Staff Software Engineer, Product
Slash Financial is a financial technology company offering a business-finance platform. It provides business banking, corporate cards, stablecoin payments, treasury, working capital, invoicing, global USD accounts, and bill pay for businesses across industries.
Projects
About Slash Financial
Slash Financial provides an integrated business-finance platform designed around industry-specific workflows. Its offerings include business banking and checking, Visa corporate charge cards with spend controls, ACH and wire payments, invoicing, treasury, working capital through partners, accounting and expense-management tools, analytics, multi-entity management, and read/write API access. It also supports stablecoin payments, allowing eligible businesses to send and receive USDC and USDT and convert between fiat and crypto. Slash serves startups, enterprises, e-commerce businesses, agencies, contractors, affiliate marketers, healthcare businesses, Web3 companies, wholesalers, and travel agencies.
Skills
About the Role
You will help build and evolve the core banking product that powers $10 billion in transaction volume a year. This role blends infrastructure-level thinking with deep product intuition, and you'll build fault-tolerant, user-facing financial primitives that span across all customers, doing it fast, cleanly, and with ownership.
Requirements
- Has shipped and owned full product surfaces, not just isolated features, but entire systems from data model to deploy
- Is a strong full-stack engineer comfortable designing API endpoints, writing a database migration, and building the frontend for a project end to end
- Has strong product instincts and thinks holistically about UX, API ergonomics, and system correctness
- Thrives working independently in a small team that ships fast, building product without requiring a full spec
- Cares about craft, writes clean well-tested code, thinks about edge cases
- Bonus: has an intuition for financial systems (payments, ledgers, compliance) or a genuine desire to go deep on them
Responsibilities
- Own and ship entire product surfaces end-to-end, from database schema and API design to building the product customers interact with daily
- Build and scale core financial infrastructure including payments, transfers, invoicing, bill pay, onboarding, and card management systems that move tens of billions of dollars a year
- Design data models, write migrations, and build the backend services that power complex multi-step financial operations
- Work directly with product, design, and compliance to ship features that are correct, compliant, and good to use
- Shape engineering standards, contribute to architecture decisions, and talk to customers to figure out what to build next
Benefits
- Comprehensive health and benefits plan
- Unlimited PTO
