Senior/Staff Engineer Company: Confidential — venture-backed technology company Location: New York, NY or San Francisco, CA Compensation: $200,000 - $280,000 + 0.4% - 0.8% equity Employment Type: Full-time Visa Sponsorship: H-1B, O-1, OPT About the Company The client is building global payments infrastructure for the future of work, moving about $1.5B a year to more than 1 million payees. Revenue grew 400%+ in the past year and the company reached profitability in 2025. The client (Y Combinator S21) raised an $8.9M Series A led by DCM, bringing total funding to $14.8M+. It has offices in New York (8th Ave) and San Francisco (Mariposa St). The Role The client is looking for senior and staff engineers who take risks, iterate, and want a say in every decision. You will design and build scalable, production-ready systems that move money at high throughput, set a high bar, and help drive the company's vision to change how money moves. What You Will Do • Design and build scalable backend systems for high-throughput money movement. • Move fast and build pragmatic systems, then iterate on them. • Work with large volumes of data. • Launch and iterate on applications and large software projects. What You Bring • 7+ years designing and building scalable, production-ready systems • Experience with large data volumes and high-throughput backend design • A track record of launching and iterating on apps or large software projects • Comfort moving fast in an ambiguous environment Nice to Have • FinTech or finance experience • AWS and Kubernetes infrastructure experience • Python and React at scale Benefits Private medical insurance including dental and vision, unlimited vacation, regular team off-sites and a 401(k). Tech Stack React frontend; Python backend; AWS, ECS; GitHub, Linear, Slack, Notion Before you apply: get a free recruiter-readiness score for your resume at CareerStanding — about a minute, no signup, and your resume stays in your browser.