•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.