As a Senior Software Engineer in the Technology Applications Development team, you will drive engineering excellence and modern practices across our international and domestic settlements stack. Your primary responsibilities include designing and developing scalable, high-performance applications using trunk-based development and ensuring robust test coverage through TDD and BDD methodologies. You will work closely with architects and cross-functional teams to implement microservices architecture, event-driven systems like Kafka or Solace, and optimize for low-latency computing. Essential skills encompass hands-on experience in Java, Python, Kotlin, as well as expertise in CI/CD pipelines, DevOps practices, and secure coding standards. This role demands a deep understanding of system design, high availability, fault tolerance, and modern cloud-native technologies such as AWS, Kubernetes, and Docker, all within the context of financial services software development at scale.