Senior Software Engineer, Backend

We are looking for engineers who are excited to be part of our early story and help us build a diverse and vibrant company. As a senior software engineer you will have the opportunity to work across the entire stack with a focus on the back-end. You will have the opportunity to learn and drive the creation of financial products and experiences to help our customers reach their full potential. You should have a strong sense of ownership and enjoy taking projects from inception to release. As an early employee, you’ll be working with a nimble team of committed and talented engineers and having a large, long-term impact on technical design and engineering culture. Ownership over large domains and features related to card processing/issuing, and core ledgering of financial transactions. Play a critical role in the development, design, and maintenance of Flex's platform and services. Architect well thought-out services and data models that ensure Flex's continued growth. Own problems end-to-end, thinking through everything from api contracts, data, scalability, security, observability, and metrics. Lead by example and mentor engineers in all aspects of planning, development and testing. Be a catalyst for driving best-in-class technology frameworks and tooling while staying engaged with the latest technology trends. Be on call, with the expectation to ability to solve problems and find solutions for the servicing team