Java, Hadoop, C++, Data mining, Spark, Python, Parsing, High-performance computing, Machine learning models, Ranking features and techniques, Parallel and distributed computing, Algorithms and data structures, Numerical optimization, Large scale distributed systems

Java, Unix, Data Structures, Data Mining, Algorithms, Linux, Python, Parsing, High-Performance Computing, Statistics, Supply Chain, Parallel and Distributed Computing, Engineering, Operations Research, Numerical Optimization