React Native, React, TypeScript, Swift, Kotlin, Spring Boot, PostgreSQL, Kafka, Redis, Kubernetes, Docker, GCP, Jenkins, Terraform, Prometheus, Grafana, and OpenTelemetry, with a focus on scalable mobile architecture, cloud-native platforms, and modern engineering practices. As a Principal Engineer, you will influence engineering strategy across multiple teams, guide architectural decisions, mentor senior technical talent, and help shape the future of how millions of consumers interact with their financial institutions.