Senior Software Engineer, Backend, Core Platform Remote (U. S.) Flex is a growth-stage, NYC headquartered Fin Tech company that is creating the best rent payment experience. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. Flex is looking for a Senior Software Engineer who will be responsible for implementing the platforms and APIs that support all business features. In this role, you will be part of the Core Platform team, responsible for the backend systems and services that power our products, such as Payment, Ledger, Identity, etc. You'll be designing, developing, testing, and scaling the platform needed to deliver great user and partner experiences and a reliable end-to-end payment process. You'll work closely with your product, design, and engineering peers to solve our users' most pressing problems around rent payment. You'll roll out changes to our customers in an agile manner with a delivery cadence that favors small, frequent iterations. The ideal candidate will be comfortable leading scoping, design, and implementation for APIs they build and can drive their production rollouts to completion with minimum oversight. A minimum of 4 years of experience with Java is required for this position. Who you are: You have strong computer science fundamentals. You can translate feature requirements into technical specifications. You have experience leveling up the entire team's bar by introducing best practices and mentoring junior people. You have experience with Java frameworks and tools such as Spring (core/web/boot), Gradle, and JUnit. You have experience implementing and operating services in distributed environments at scale. You have experience with observability and monitoring tools such as Data Dog for maintaining high availability. You write high-quality code that is testable, maintainable, scalable, and secure. You have a good understanding of REST and mobile API best practices. You have great communication skills and are comfortable working with a distributed team. Core competencies: Prior experience working on cross-functional teams. Experience leading projects in their entire lifecycle, from requirements gathering to delivery. Proficient with Java and Spring (Bonus: AWS, Containers, Kubernetes, My SQL). Experience with CI/CD to improve code stability and quality. The national pay range for this role is $160,000-$210,000. Individual compensation will be commensurate with the candidate's experience aligned with Flex's internal leveling guidelines and benchmarks. Life at Flex: We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self-aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the U. S., Australia, and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. We offer many employee benefits. For full-time, U. S.-based employees we offer: Competitive pay. 100% company-paid medical, dental, and vision. 401(k) + company stock options. Unlimited paid time off with a PTO minimum + 13 company paid holidays. Parental leave. Flex Cares Program: Non-profit company match + pet adoption coverage. #J-18808-Ljbffr