Apache Hadoop, C Programming, C++, Data science techniques, Java Programming, Machine learning techniques, MapReduce, Python Programming, PyTorch, R Programming, Scala Programming, SQL, TensorFlow
AT&T Inc. is an American multinational conglomerate holding company, Delaware-registered but it is headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world’s largest telecommunications company, and the second largest provider of mobile telephone services.