High Availability, identity management systems, DevOps practices, event-driven architectures, fault-tolerant systems, complex state management, cross-regional data consistency, Security Protocols, asynchronous processing patterns, distributed transaction management, scalable detection and fraud prevention systems, cache invalidation strategies

Java, React, Perl, Python, AWS

Nosql, Django, Git, Flask, FastAPI, Python, Sql, AWS

System Design, Distributed Systems, Problem Solving Skills, NoSQL Databases, Web scale Systems

Algorithms, Testing, Design Patterns, Coding Standards, data structures, build processes, reliability and scaling, component architecture simplification, code refactoring, large scale distributed systems, object-oriented concepts, code reviews, source control management, operations, multi-tier systems, retail e-commerce system design, high-volume transaction processing