This role is ideal for a seasoned Java backend engineer with a deep background in fintech, specifically within risk, credit, or fraud domains. You should have a
Work type: remote
Location: Remote (U.S.)
Salary: $172,000 – $215,000/yr
Type: Full-time
This role is ideal for a seasoned Java backend engineer with a deep background in fintech, specifically within risk, credit, or fraud domains. You should have at least 6 years of experience and a mastery of the Spring Boot ecosystem. The hiring team is looking for someone who has previously built or managed rules engines and understands the complexities of real-time decisioning systems. The position offers a compelling compensation package (up to $215k for high-cost areas) plus equity and a 401(k) match. It is a fully remote role within a growth-stage startup, providing the stability of a proven product with the high-impact environment of a "stealth-to-scale" engineering team. The tech stack is modern and robust, focused on AWS, Kubernetes (EKS), and Snowflake. **You might be a good fit if you:** * Have built enterprise-grade rules engines or worked extensively on credit/fraud risk platforms. * Are an expert in Java and the Spring Boot framework, including JVM performance tuning. * Enjoy designing high-scale, distributed systems and 24/7 APIs on AWS. * Want to work at the intersection of machine learning and real-time data streaming.
Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?
### About the role
Flex is looking for a Senior Software Engineer to join our Risk Platform team. This role involves spearheading the implementation of platforms and APIs crucial for supporting business features within the risk management domain.
The Risk Platform team is dedicated to mitigating both credit risk and fraud risk. Our mission is to enhance Flex app accessibility for customers while safeguarding against improper use and unauthorized access by identifying and preventing misuse across all core product areas.
Following are some projects/systems in Risk Platform you will have opportunities to work with:
#### Minimum Qualifications
We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.
Offices
Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program.
Benefits
For full-time U.S. employees we offer: