Staff Software Engineer

Summary

Join Flex, a NYC-based FinTech company revolutionizing rent payments, as a Backend Engineer. We're building a platform that allows users to pay rent flexibly throughout the month. As a key member of our core platform team, you will design, implement, and maintain our Finance service and internal tooling. You'll develop new APIs and functionalities to support large money movements, scale our platform for growth, and collaborate with cross-functional teams. We offer a remote-first environment with a focus on transparency, integrity, and individual growth. We are looking for experienced engineers with a passion for innovation and a desire to make a significant impact.

Requirements

• 6+ years of experience in software development or a related field
• Experience in technical leadership, guiding engineering teams through complex projects
• Experience with Java, Python, Golang, or TypeScript/Node.js
• Strong experience with relational SQL and NoSQL databases, such as MySQL/PostgreSQL/DynamoDB
• Experience in designing and developing the fault-tolerant and scalable distributed systems
• Experience with AWS cloud services: ESC/EKS, Lambda, API Gateway, VPN, RDS etc
• Infrastructure as code(AWS CLI, AWS CDK/Terraform)
• Strong communication skills with the ability to understand and explain technical issues to a non-technical audience
• Follow engineering best practices as well as propose new ones
• Experience with finance reporting and reconciliation
• Deep experience with writing complex query and data mining

Responsibilities

• Design, implement and maintain our Finance service and internal tooling, including financial reporting, reconciliation/audit process
• Design and develop new APIs and functionalities to support large money movements across our banking partners via different payment rails, such ACH
• Scale out core platform to support business growth while maintaining performance and reliability
• Continuously improving our daily operations with automation, tooling, design evolution, observability etc
• Work closely with product, analytics, finance and engineering peers to launch new financial features into our platform

Benefits

• Competitive pay
• 100% company-paid medical, dental, and vision
• 401(k) + company equity
• Unlimited paid time off with a PTO minimum + 13 company paid holidays
• Parental leave
• Flex Cares Program: Non-profit company match + pet adoption coverage
• Free Flex subscription
• Competitive Pay
• Company Equity
• Unlimited PTO