Senior Software Engineer, Risk Engineering

Flex

full-time

Posted on: 9/24/2025

Origin: • 🇺🇸 United States

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💰 $177,000 - $213,000 per year

Senior

AWSDistributed SystemsDynamoDBGradleJavaJUnitSpringSpring BootSpringBootTerraform

About the role

Spearhead implementation of platforms and APIs to support business features within the risk management domain
Build rules engine and machine learning solutions to respond to and mitigate business risks (credit and fraud)
Design and develop 24/7 high-scale APIs and distributed systems (Java Spring Boot) on AWS
Work closely with product, design, and engineering peers to launch new features across web and mobile platforms
Work on core rules engine, event data stream ingestion for near real-time fraud rules, and advanced A/B testing and experimentation capabilities
Enhance Flex app accessibility for customers while identifying and preventing misuse and unauthorized access

Experience working 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
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 (preferred)
Skilled in observability and monitoring tools, such as DataDog (preferred)
Experienced with big data platforms and tooling, including Snowflake (preferred)
Proficient in Infrastructure as Code, using tools like CDK and Terraform (preferred)
Skilled at elevating team standards through best practices, and mentoring junior engineers (preferred)
Excellent written and verbal communicator, with experience in cross-functional collaboration (preferred)