Note: The job is a remote job and is open to candidates in USA. Flex is a growth-stage FinTech company based in NYC, focused on creating an improved rent payment experience. They are seeking a Senior Software Engineer to join their Risk Platform team, where the main responsibilities include implementing platforms and APIs for risk management, mitigating credit and fraud risk, and enhancing app accessibility for users.
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
Skills
- 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
- 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
Benefits
- Competitive medical, dental, and vision
- Company equity
- 401(k) plan with company match
- Unlimited paid time off + 13 company paid holidays
- Parental leave
- Flex Cares Program: Non-profit company match + pet adoption coverage
- Free Flex subscription
- Competitive compensation + company equity
- Unlimited PTO
- Relocation assistance program
Company Overview
Flex enables people to pay rent bills on a schedule that fits their personal finances. It was founded in 2019, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is https://getflex.com.Company H1B Sponsorship
Flex has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2024. Please note that this does not guarantee sponsorship for this specific role.