Senior Software Engineer

About the Company

Flex is a growth-stage FinTech company creating a better rent payment experience. We enable users to pay rent throughout the month on a schedule that fits their finances, empowering renters with flexibility over their most significant recurring expense.

Responsibilities

• Build rules engine and machine learning solutions to mitigate business risks
• Design and develop 24/7 high-scale APIs and distributed systems on AWS
• Work closely with product, design, and engineering peers to launch new features across web and mobile platforms
• Implement platforms and APIs crucial for supporting business features within the risk management domain

Requirements

• 6+ years of professional software development experience
• 5+ years of hands-on Java experience
• Experience in a risk engineering team specializing in rules engine architecture or risk/credit/fraud systems
• Experience implementing risk policies in a rules engine or production services
• Proficiency in Java frameworks including Spring (core/web/boot), Gradle, JUnit, and JVM tuning
• Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures
• Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools

Preferred Qualifications

• Proficiency in CI/CD systems like GitHub Actions, git, and automation
• Experience with observability tools such as DataDog
• Experience with big data platforms like Snowflake
• Proficiency in Infrastructure as Code using CDK or Terraform
• Experience mentoring junior engineers and elevating team standards