Geeksforgeeks - Java Backend Development [2021]

: A Paytm-like app using Microservices architecture , focusing on scalability and secure transactions. ✨ Key Highlights

: JDBC, Hibernate ORM, JPA, and writing custom JPQL queries. Quality Assurance : Unit testing using JUnit and Mockito . Phase 3: Scaling & Security (Weeks 7–12) Caching : Performance optimization with Redis . GeeksForGeeks - JAVA Backend Development

Let’s be honest: You cannot get the backend job without passing the Data Structures & Algorithms (DSA) round. : A Paytm-like app using Microservices architecture ,