In charge of API features for app builder and mobile web services. Use Kafka to receive and transmit events for services' audit logs. Work with third-party applications, including Bigcommerce API and GraphQL. Implement database migration using Mongock and Liquibase. Implement caching solutions using Caffeine and Redis. Deploy Elasticsearch for catalog service functionality. Implement GRPC for internal services interaction. Provide application authentication and secure services with Keycloak. Utilize microservices patterns like CQRS and Saga in Alphonso microservices. Employ design patterns such as factory, decorator, and singleton. Contribute ideas for database table design, logic flow management, and technology adoption. Conduct performance testing with JMeter and unit testing with JUnit.

In charge of API features for the tours service. Create cron jobs for handling business logic in the back office. Use pub/sub to receive and transmit events between services. Monitor and optimize complex SQL queries; create views, stored procedures, indexes, and partitions. Enable batch processing with JDBC. Implement Redis cache and lock mechanisms to address distributed system challenges, such as concurrent modifications on the payment service. Handle Excel import/export functionalities with templates. Contribute ideas for database table design, logic flows, and technology implementation. Maintain GIT branches throughout project development. Use Gradle for building and deploying applications to the Tomcat server.

Implement features for API Do statistical analysis of products and users' data Use Materialized View to replicate data and cache expensive queries, resulting in faster query execution for many records Make use of Explain to optimize queries, write procedures and cron jobs for updating data Implement Hybris BackOffice mapping to the portal site for configuration and data

Use Kafka as a message queue to handle high request throughput and perform bulk inserts to MongoDB, reducing stress on the persistence layer. Configure Spring Security and JWT for authentication. Utilize AspectJ for dynamic authorization during pre-requests. Develop features for tracking and counting points from candidates' exams. Write JMeter scripts to test server performance.