Java, Node.js, Kafka, Kotlin, Redis, Typescript, Cloudwatch, Elasticsearch, MongoDB, Python, AWS, Go, OpenSearch, AI-assisted development tools, OpenTelemetry

Algorithms, OLAP, data structures, Storage, Doris, streaming processing, mission-critical systems, computer architectures, Clickhouse, KV store, offline pipeline

Java, Python, Go

Java, Distributed Systems, Data Visualization, large-scale data-driven systems, RAG Retrieval-Augmented Generation, analytics platforms, OLAP databases, object-oriented design methodology, open-source LLM frameworks, AI ML integration

Golang, Kafka, Sql, Apache Airflow, Nosql, Rabbitmq, Docker, Kubernetes, Python, AWS, HTTP REST API design, Java Spring Boot

Multi-threading, Java, Microservices, Python, Network Programming, Linux, Cloud billing systems, Go, Disaster recovery systems