Senior/Staff Software Engineer, Product
Slash Financial is a fintech company providing an integrated financial platform for businesses, including business banking, corporate cards, treasury, working capital, invoicing, and global payments. Its customers range from startups and agencies to enterprises and other specialized businesses.
Maintainer signals as of 8/23/2026
Funding history
Projects
About Slash Financial, Inc.
Slash Financial provides business financial services through a unified platform that combines banking accounts, corporate charge cards, spend controls, treasury management, working-capital financing, invoicing, bill pay, accounting tools, APIs, and global payment capabilities. It also supports stablecoin payments and global USD accounts for international businesses. Slash serves more than 10,000 businesses, including startups, enterprises, e-commerce brands, agencies, contractors, healthcare organizations, wholesalers, travel agencies, and Web3 companies. Banking and other regulated financial services are provided in partnership with third parties including Column N.A., Lead Bank, Atomic Invest, and digital-asset providers.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Build and evolve Slash Financial's core banking product, creating fault-tolerant, user-facing financial primitives that support more than $10 billion in annual transaction volume.
Requirements
- Experience shipping and owning complete product surfaces from data model through deployment.
- Strong full-stack engineering skills, including API design, database migrations, and frontend development.
- Strong product instincts and holistic thinking about UX, API ergonomics, and system correctness.
- Ability to work independently in a small, fast-moving team.
- Commitment to clean, well-tested code and careful handling of edge cases.
- Financial systems intuition or a genuine desire to develop expertise in payments, ledgers, or compliance is a bonus.
Responsibilities
- Own and ship entire product surfaces end-to-end, from database schema and API design to customer-facing product development.
- Build and scale financial infrastructure for payments, transfers, invoicing, bill pay, onboarding, and card management.
- Design data models, write migrations, and build backend services for complex financial operations.
- Work with product, design, and compliance to ship correct, compliant, usable features.
- Shape engineering standards, contribute to architecture decisions, and talk to customers to identify product opportunities.
Benefits
- Opportunity for high growth
- High autonomy and ownership culture
- Comprehensive health and benefits plan
- Unlimited PTO
- Equity
