Senior Software Engineer, Risk Engineering

Flex is a growth-stage FinTech company headquartered in NYC, focused on creating a better rent payment experience. They are seeking a Senior Software Engineer to join their Risk Platform team, where the role involves implementing platforms and APIs to mitigate credit and fraud risks while enhancing user accessibility.

Responsibilities:

• Build rules engine / machine learning solutions to respond to/mitigate business risks in Flex
• Design and develop 24/7 high-scale APIs and distributed systems. The tech stack will be on AWS. Java would be the language for the existing code base. Java Spring Boot will be the framework
• Work closely with product, design, and engineering peers to launch new features across our web and mobile platforms

Requirements:

• Must-have: Experience working in a risk engineering team, specializing in rules engine architecture or risk/credit/fraud systems
• Must-have: Experience implementing risk policies in a rules engine or production services
• 6+ years of professional software development experience
• 5+ years of hands-on Java experience
• Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC)
• Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures
• Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools
• Proficient in CI/CD systems (preferably GitHub Actions), git, and automation
• Skilled in observability and monitoring tools, such as DataDog, to ensure high availability
• Experienced with big data platforms and tooling, including Snowflake
• Proficient in Infrastructure as Code, using tools like CDK and Terraform
• Skilled at elevating team standards through best practices, and mentoring junior engineers
• Excellent written and verbal communicator, with experience in cross-functional collaboration