Senior/Staff Software Engineer, Product
Slash is a financial technology company that provides a banking platform and expense management software. It offers features tailored to specific industries, including high-yield accounts, corporate cards with cashback, working capital, and modern capabilities like crypto on/off ramps and developer APIs.
Projects
About Slash
Slash is a financial technology company, not a bank, that provides a comprehensive financial platform for businesses, including unified banking for crypto companies. It offers a single dashboard to manage both crypto and fiat assets. Services include high-yield checking and savings accounts, corporate cards with up to 2% cashback, working capital, and seamless stablecoin (USDC, USDT) on/off-ramps and payments. The company also issues its own stablecoin, USDSL, built on the Base network. Slash provides developer-friendly APIs for automation and simplified multi-entity management, catering to industries like marketing, e-commerce, and Web3. Banking services are provided through partners such as Column N.A. and Piermont Bank, while digital asset services are offered in partnership with third parties like Bridge Building Inc.
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