Senior Software Engineer, Risk Engineering

Role Overview

• 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.

Tech Stack

• AWS
• Distributed Systems
• DynamoDB
• Gradle
• Java
• JUnit
• Spring
• Spring Boot
• SpringBoot

Benefits

• Competitive medical, dental, and vision available from Day 1
• Company equity
• 401(k) plan with company match (our company match kicks off at the beginning of 2026)
• Unlimited paid time off + 13 company paid holidays
• Parental leave
• Flex Cares Program
• Free Flex subscription