Senior Software Engineer, Risk Engineering

🕒 March 4

🇺🇸 United States – Remote

💵 $172k - $215k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Flex

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2019

💳 Fintech

🏠 Real Estate

👥 B2C

Fintech • Real Estate • B2C

Flex is a financial technology company that enables renters to split and schedule rent payments, pay move-in costs over time, and build credit through on-time rent reporting. It offers consumer-facing payment products (rent split, pay-over-time, and move-in loans) and partners with property owners and property-management systems to help properties collect on-time rent and retain residents. Flex operates via bank partnerships and regulated lending/servicing subsidiaries to provide loans and payment processing while emphasizing security and regulatory compliance.

📋 Description

• 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.

🏖️ 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