5+ 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.