Staff Software Engineer, FinPlatform Backend

About the Role

Staff Software Engineer for FinPlatform Backend at Flex, working on Finance service and internal tooling.

What You'll Do

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

What We're Looking For

• 6+ years of experience in software development or 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 fault-tolerant and scalable distributed systems
• Experience with AWS cloud services: EC2/EKS, Lambda, API Gateway, VPN, RDS
• Infrastructure as code (AWS CLI, AWS CDK/Terraform)
• Strong communication skills