As a Backend Engineer, I specialize in designing, implementing, and maintaining backend services using the Django framework and GraphQL. I have collaborated with cross-functional teams, including frontend engineers and product managers, to deliver high-quality software solutions that ensure robust performance and smooth user experiences. In my role, I have developed and maintained backend APIs using Django and GraphQL, ensuring seamless data queries and mutations for frontend applications. Additionally, I have designed GraphQL schemas to meet UX and UI requirements, providing efficient and intuitive data interactions.

I have implemented and optimized Elasticsearch for advanced search capabilities, significantly improving data retrieval speed and accuracy. Furthermore, I designed and integrated a gRPC micro-service to support video calling and messaging functionalities, enabling real-time communication features within the application. I also engineered a personalized feed composition engine with sophisticated ordering algorithms and multi-source data integration, enhancing user engagement through dynamic and customized content delivery.

My work includes building and deploying a data synchronization and ingestion engine for third-party services and data warehouses, ensuring data consistency and reliability. I have created and optimized data models to ensure efficient data storage and retrieval, supporting complex queries and operations. Overall, my role involves the continuous improvement of system architecture, performance optimization, and integrating various technologies to enhance overall functionality.