Staff Software Engineer, Fullstack (Marketing)

Flex is a growth-stage FinTech company headquartered in NYC, focused on creating the best rent payment experience. They are seeking a Staff Software Engineer to develop and scale platform and app experiences that empower users and partners, driving the company's growth trajectory.

Responsibilities:

• Focus on creating exceptional user and partner experiences that drive engagement and retention
• Partner closely with product managers, designers, and data scientists, data analysts to identify and solve critical user onboarding challenges
• Design, develop, test, and deploy robust APIs, services and data pipelines that enhance user onboarding and overall platform experience
• Implement changes through an agile methodology, prioritizing rapid iteration and continuous improvement
• Utilize data and analytics to measure the impact of your work and identify opportunities for optimization

Requirements:

• 7+ years of professional software development experience
• 3+ years of hands-on experience with Java
• 3+ years of experience with React or React Native
• 3+ 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
• Have the experience to build and improve user onboarding funnel and design the comprehensive experiment to drive metric improvements
• 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