Y Combinator 
Techstars Senior Backend Engineer - FinTech Payments Platform (Hybrid)
Summary
Senior Backend Engineer at a FinTech company building flexible rent payment solutions, designing and maintaining secure, scalable payment infrastructure and workflows.
Flex is a NYC-headquartered FinTech building flexible rent payment solutions. We seek a Senior Software Engineer to lead the Money Team's backend infrastructure, architect scalable financial platforms, and collaborate across Product, Finance, Risk, and Compliance to deliver secure, reliable money movement systems.
You will design and implement payment workflows, integrations with processors and banking partners, and ensure uptime and compliance while shipping high-impact features for revenue and