As a Module Lead Backend Engineer, I lead the end-to-end design and execution of scalable backend modules, modernizing core services for high availability and throughput. I spearheaded the integration of Microsoft Graph API for automated enterprise workflows and implemented SendGrid Dynamic Templates for reliable transactional communications. Additionally, I architected asynchronous messaging pipelines using RabbitMQ and engineered high-performance caching layers with Redis, significantly reducing database load, lowering API latency, and driving overall system reliability.