Hibernate, Nat, Apis, multithreading, Exception Handling, BGP, Restful Web Services, Oop, Core Java, Docker, Jpa, Kubernetes, optimizing Java applications, JVM tuning, Profiling, Collections, ip networking

Solr, Oauth2, PostgreSQL, Prometheus, Saml, Grafana, Rabbitmq, Terraform, Docker, Azure, Kubernetes, Python, Qdrant, OpenTelemetry, OIDC

Java, PostgreSQL, Node.js, Git, Gcp, Docker, MySQL, Php, Restful Apis, Python, AWS, Go, Aliyun

protocol buffers , Java, Golang, Tcp, Networking, Kafka, Http, Json, Operating Systems, Microservice Architecture, Redis, MySQL, Data Structures And Algorithms, Xml, Kubernetes, Python, Distributed Systems Performance Tuning, caching mechanisms

Databases, Data Quality, Apis, System Design, scalable services, Security, production debugging, Reliability, operational edge cases

Java, Mq, Kafka, Containers, Redis, Graph, Design Patterns, Docker, MySQL, Spark, Linux Operating System, MongoDB, Kubernetes, Python, RPC Framework, Table, coding principles, Function as a service, Go, Flink, KV, Service Mesh, AIops

Java, Git, Agile Software Development, Spring Boot, Restful Apis, Python, Microservices, AI-assisted development tools, NoSQL databases

Java, Agile Development Methodologies, Kafka, Spring Boot, Redis, Git, Docker, Distributed Systems, MySQL, Rest Apis, Kubernetes, Data Processing, Microservices architecture, backend performance optimization, ETL data integration

Kvm, Prometheus, Grafana, Kubernetes, Python, Virtio, qemu, Go