Apache Cassandra developers
Contract rates, popularity and trend data for Apache Cassandra, plus how it compares with other wide column databases.
Overview
Apache Cassandra is a wide column database, ranked #10 of 431 on DB-Engines with a popularity score of 102.6.
Apache Cassandra is declining, down 5.2% year over year on DB-Engines. The installed base is still large, so maintenance, tuning and migration work continues.
Contract Apache Cassandra specialists typically bill $104–128/hr, against a W-2 equivalent salary of about $166,700.
Wide column databases by popularity Trends →
DB-Engines popularity score for the 12 highest-ranked wide column databases. Updated monthly.
What Apache Cassandra developers cost
Contract and salary benchmarks for the US.
Contract rate
C2C or 1099, from W-2 hourly × 1.3–1.6 for tax, benefits and overhead.
W-2 equivalent
BLS median for US software developers ($135,980), adjusted +23% for Apache Cassandra using Stack Overflow 2025 pay data (99 US respondents who use it).
Full-time contractor cost
Per year at 40 hours a week.
BLS Occupational Employment and Wage Statistics (May 2025) for Software Developers. Rates vary with seniority and how deep the Apache Cassandra work goes. Compare W-2, 1099 and C2C, use the rate calculator, or see rates by state.
Competing databases
How Apache Cassandra compares with its nearest rivals.
| Database | Model | DB-Engines rank | Score | YoY | Contract rate |
|---|---|---|---|---|---|
| Apache HBase | Wide column | #32 | 18.8 | -15.0% | – |
| ScyllaDB | Wide column, Multi-model | #68 | 4.5 | +22.7% | – |
| Datastax Enterprise | Wide column, Multi-model | #83 | 3.3 | -16.0% | – |
| Microsoft Azure Table Storage | Wide column | #97 | 2.8 | +4.9% | – |
| Apache Accumulo | Wide column | #106 | 2.5 | +1.6% | – |
| Amazon Keyspaces | Wide column | #184 | 1.1 | +9.1% | – |
Wide column databases closest to Apache Cassandra in the DB-Engines ranking. Contract rates shown where Stack Overflow 2025 has enough US respondents to estimate one.
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Questions
How much does a Apache Cassandra developer cost?
Contract Apache Cassandra developers typically bill $104–128 an hour (C2C or 1099), with a W-2 equivalent salary of about $166,700. Agencies usually charge 2–3× W-2 pay.
Is Apache Cassandra growing or declining?
Apache Cassandra ranks #10 on DB-Engines. Its popularity score changed by -5.2% over the past year and it is among the databases losing the most ground.