Senior/Staff Software Engineer, Product
About The Position
Our client is building the future of business banking by combining modern financial infrastructure, AI-native workflows, and global payment rails. The company powers more than $10B annually in transaction volume and has scaled to $300M+ ARR while maintaining an engineering team of only ~12 engineers. Founded in 2021, the company recently raised a $100M Series C led by leading investors including Ribbit Capital, Khosla Ventures, NEA, Goodwater Capital, and Y Combinator. The platform serves thousands of businesses and provides: Business Banking Infrastructure, Payments & Transfers, Invoicing Systems, Bill Pay & Expense Management, Virtual Cards, Accounting Integrations, AI-Powered Financial Assistants, Stablecoin & Global Banking Infrastructure, Treasury & Cash Management, Financial Operations Automation. The company sits in a rare position where engineers maintain startup ownership while operating at significant scale. The culture values: Exceptional builders, Founder mentality, Ownership, Speed, Product craftsmanship, Technical excellence, Learning velocity, High accountability, End-to-end execution.
Requirements
- 2–15 years of software engineering experience
- Exceptional individual contributor
- Strong full-stack engineering background
- Experience shipping products end-to-end
- Experience building customer-facing applications
- Strong product ownership mentality
- Experience designing APIs and backend systems
- Experience building scalable software products
- Strong frontend and backend engineering skills
- Experience with PostgreSQL
- Experience with React and modern web applications
- Experience working closely with customers or product teams
- Strong communication skills
- Ability to operate in highly ambiguous environments
- Strong technical judgment
- Ability to move quickly while maintaining quality
- CS or STEM degree from a top university preferred
- Founder / Builder Signals: Founder experience, Startup founder with meaningful users/revenue, Founding engineer experience, Built side businesses or products, Demonstrated entrepreneurial history, Started coding at an early age, Revenue-generating projects
- Engineering Signals: End-to-end product ownership, Strong product engineering mindset, Experience owning entire product surfaces, Full-stack expertise, High technical bar, Rapid promotions, Technical leadership without moving into management
- Startup Signals: Early employee at successful startup, Series A–C startup experience, High-growth startup experience, Experience operating on small teams, Ownership of major business outcomes, Demonstrated hustle and resourcefulness
Nice To Haves
- Startup experience preferred
Responsibilities
- Build and ship entire product surfaces end-to-end
- Design database schemas and backend architectures
- Build customer-facing financial products
- Design APIs and backend services
- Develop payment, transfer, invoicing, and card systems
- Build full-stack applications across frontend and backend systems
- Work directly with product, design, and compliance teams
- Own features from concept through deployment
- Design and scale core financial infrastructure
- Build highly reliable fintech systems
- Contribute to architecture and engineering standards
- Create observability, monitoring, and operational tooling
- Participate in system design and technical reviews
- Drive technical decisions across product initiatives
- Build AI-powered financial workflows
- Develop global banking and payments capabilities
- Mentor engineers and elevate engineering quality
- Operate with founder-level ownership
- Build products directly impacting company revenue
Benefits
- Base Salary: $200,000 – $350,000
- Competitive Equity Package
- Visa Sponsorship Available
- Opportunity to join a $1.4B company
- Significant ownership and autonomy
- Direct collaboration with founders
- High-impact engineering culture
- Annual company offsites
- Strong product-market fit
- Rapid company growth
- Opportunity to shape the future of financial infrastructure
- Small engineering team with outsized impact
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What This Job Offers
Job Type
Full-time
Career Level
Senior
