[Remote] Senior Software Engineer, Risk Engineering

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.ResponsibilitiesBuild rules engine / machine learning solutions to respond to/mitigate business risks in FlexDesign 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 frameworkWork closely with product, design, and engineering peers to launch new features across our web and mobile platformsSkillsExperience working in a risk engineering team, specializing in rules engine architecture or risk/credit/fraud systemsExperience implementing risk policies in a rules engine or production services6+ years of professional software development experience5+ years of hands-on Java experienceProficient 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 architecturesExperience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization toolsProficient in CI/CD systems (preferably GitHub Actions), git, and automationSkilled in observability and monitoring tools, such as DataDog, to ensure high availabilityExperienced with big data platforms and tooling, including SnowflakeProficient in Infrastructure as Code, using tools like CDK and TerraformSkilled at elevating team standards through best practices, and mentoring junior engineersExcellent written and verbal communicator, with experience in cross-functional collaborationBenefitsCompetitive medical, dental, and visionCompany equity401(k) plan with company matchUnlimited paid time off + 13 company paid holidaysParental leaveFlex Cares Program: Non-profit company match + pet adoption coverageFree Flex subscriptionCompetitive compensation + company equityUnlimited PTORelocation assistance programCompany OverviewFlex 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 SponsorshipFlex 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.