Staff Software Engineer

Summary

Join Flex, a NYC-based FinTech company, as a Staff Software Engineer on the Risk Platform team. You will spearhead the implementation of platforms and APIs for risk management, mitigating credit and fraud risks. This involves building decision platforms and machine learning solutions, designing high-scale APIs and distributed systems on AWS using Java and Spring Boot, and collaborating with product, design, and engineering teams. The role requires extensive experience in Java, React or React Native, TypeScript, and AWS. Flex offers competitive pay, comprehensive benefits, and a dynamic work environment.

Requirements

• 8+ years of professional software development experience
• 6+ years of hands-on experience with Java
• 4+ years of experience with React or React Native
• 4+ years of experience with TypeScript
• Having experience building high-quality mobile and web UIs to specifications is a must to have
• 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 architectures and tools in React Native and React ecosystems (Hooks, Components, Context, Redux)
• Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools

Responsibilities

• Build decision platform / 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

Preferred Qualifications

• Experience working in a risk engineering team and with decision platform architecture or risk/fraud detection systems
• 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

• 100% company-paid medical, dental, and vision
• 401(k) + company equity
• Unlimited paid time off with a PTO minimum + 13 company paid holidays
• Parental leave
• Flex Cares Program: Non-profit company match + pet adoption coverage
• Free Flex subscription
• Competitive Pay
• Company Equity
• Unlimited PTO