Average salaries for big data and Hadoop developers have increased 9.3% in the last year, now ranging from $119,250 to $168,250 annually. There are over 500 open big data jobs in San Francisco, where the average salary for Hadoop developers is $139,000, and senior Hadoop developers can earn over $178,000. The states with the most big data and Hadoop jobs are California, New York, New Jersey, and Texas.