• Utilized a range of programming languages and tools including Java, Spring Boot, AWS, Splunk, Python, Javascript, Apache Kafka, MongoDB, Git-flow, Git, and PagerDuty.
• Introduced new functionalities for Apple Pay, Apple Wallet, and Apple Savings Account, benefiting over 30 million iOS users.
• Managed the creation and upkeep of critical backend service APIs for Apple Cards, Pay, Wallet, and Savings Account, using Spring Boot and Java.
• Designed specialized services across various product domains such as cards, statements, payments, and fraud detection, incorporating Apache Kafka for asynchronous streaming.
• Created tailored Python and shell scripts for diverse production needs including data integration, ETL pipelines, and API calls.
• Oversaw secure file storage using Amazon S3, deploying JAR files and Spring Boot apps on EC2 instances, utilizing AWS Lambdas for efficient, serverless processing.
• Developed custom JavaScript scripts for MongoDB, implemented alert systems in PagerDuty, and designed customized Splunk dashboards to ensure service health and meet regulatory requirements.
• Collaborated with various teams to enhance service reliability, availability, efficiency, and the successful rollout of new functionalities, including product development, compliance/regulatory, and tech risk teams.