Unfortunately, there are only 13 Hadoop vacancies in Johannesburg on Jobspotting at the present moment. Maybe, you could try slightly farther afield. Data Analysis and Intelligence (Information Gathering) are the main categories within this area. If you're interested in vacancies with Apache Hadoop, Apache Spark or Apache Hive, you'll be in with a good chance of finding the perfect job.
If you've got a lot of Hadoop expertise under your belt, you're in a great position to snap up the best jobs. There are at the present moment 12 vacancies in this area. Notably, we could not find any internships offered in this area. None of the employers currently advertising Hadoop vacancies are startups. Most employers use recruiters to find applicants in this area. Job seeker preferences are paramount at Jobspotting. You can filter those out if you like. Use the Explore search bar to learn about vacancies in other topics or locales.