Apache Cassandra is a highly distributed, fault-tolerant NoSQL database designed for massive scale. Mastery includes cluster design, data modeling, performance tuning, and operational management of mission-critical systems.
Apache Cassandra is a distributed, open-source NoSQL database designed for handling massive amounts of structured data across multiple commodity servers with high availability and fault tolerance. It excels at time-series data, event logging, and applications requiring multi-datacenter replication. Job relevance: Database engineers, DevOps professionals, and backend developers need Cassandra expertise for large-scale systems. Premium salaries for skilled practitioners in tech companies.
| 地域 | ジュニア | ミドル | シニア |
|---|---|---|---|
| USA | $80k | $150k | $240k |
| UK | £65k | £120k | £195k |
| EU | €70k | €130k | €210k |
| CANADA | C$95k | C$180k | C$280k |
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