Experience with scalable (1M MAU) and distributed systems focused on performance and reliability. Familiarity with microservices, event-driven architecture, message queues, and serverless functions. Experience with React Native mobile app development. Comfortable with cloud provider services like AWS and their consoles. Experience with GraphQL and DynamoDB. Experience collaborating on product and design requirements with stakeholders. Effective collaboration in a remote and distributed work environment. Extensive backend development experience, ideally with TypeScript. Solid understanding of AWS technologies. Well versed in development best practices, especially regarding security. Working knowledge of frontend development including Android and iOS platform specifics.