Manage and maintain over 70+ mission-critical APIs, responsible for handling billions of pounds in customer value for the UK's leading retail loyalty platform.- Successfully resolved more than 3,500 P1, P2, and P3 issues, preventing significant monetary losses and improving system reliability.- Developed and implemented high-traffic RESTful APIs, handling over 12,000 transactions per second (TPS) for the Customer Order Service team.- Played a key role in building a robust picking event processing system, managing 250,000 daily orders to ensure accurate and timely payment processing.- Led the cloud migration of 20+ Java microservices from AWS to Azure, including rewriting the Couchbase layer code for seamless integration and performance optimization.- Spearheaded the Kafka migration from AWS self-managed Kafka to Confluent managed Kafka, ensuring seamless message-based communication between microservices.- Executed over 100 successful production deployments and performed 30+ load tests in production and PPE environments using Locust, optimizing system performance.- Actively collaborated with cross-functional teams, including product managers, QA, and developers, to design and develop new features from scratch.- Participated in mission control calls and war rooms to troubleshoot and resolve critical production issues.- Mentored new team members and assisted colleagues in understanding system functionality and resolving technical challenges.- Received multiple Value Awards for key contributions, including the Azure migration and critical feature enhancements.

- Developed and maintained critical features for an end-to-end property onboarding solution, including template creation and approval processes.- Collaborated closely with product managers, QA teams, and developers to ensure smooth planning, development, and maintenance of the product.- Led the development of key features while ensuring timely issue resolution and system performance.- Utilized technologies like Java, Spring Boot, and Apache Kafka to build robust, scalable solutions.

I was working with Data Science Team and was actively & diligently involved in the projects and tasks assigned to me.