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

High Availability, identity management systems, DevOps practices, event-driven architectures, software programming language, 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, Distributed Systems, Microservices, Python, AWS, DevOps practices, cloud-native applications, observability tools

Sqlalchemy, Pytest, PostgreSQL, Kafka, Microservices, Django, Rabbitmq, Git, Gcp, Docker, MySQL, Flask, MongoDB, FastAPI, Restful Apis, Asynchronous programming, Azure, Kubernetes, Python, AWS, DevOps practices, unittest, CI CD pipelines

Distributed Systems, Design Patterns, asynchronous processing, identity verification services, Security Protocols, reliability and scaling, DevOps practices, microservices architecture, cloud-native architectures, event-driven systems, distributed databases

Java, Distributed Systems, Spring Boot, pub-sub and messaging using brokers such as Kafka, cloud-native applications, event-driven systems, AI agents, microservices architectures