If you want to get into a big data career, you will need to have knowledge in C, Python, Java, and SQL programming languages. If you want to enter the analytics or statistics field, you also need other specialized skills other than coding. If you are a fresher, you may also need certifications in Hadoop, Apache Spark, and machine learning from reputed institutions. You may also need to have knowledge of maths, statistics, and linear algebra, some knowledge of security and cryptography help as well.
In case you are interested to become Hadoop developer, you can enroll in this Big Data Training course by Intellipaat that covers all the skills mentioned above.
You can watch this video on Big Data Developer to know more about the roles and responsibilities of a Big Data Developer: