About

Ujjwal Kumar is a seasoned Sr. Software Engineer with a strong background in Machine Learning. He is currently working at LinkedIn, where he has been instrumental in the development of search and discovery features as well as LinkedIn Learning. With almost 9 years of relevant experience, Ujjwal has a broad range of skills that include ML, Software Engineering, Research Science, and Search. He also has extensive experience working with Spark, AWS, Keras, Pandas, Python, Scala, and Apache Hive. Prior to joining LinkedIn, Ujjwal worked as an Applied Research Engineer at LinkedIn Learning, where he was responsible for developing and implementing ML algorithms to improve search and discovery. He also worked as a Data Scientist II at Ola, where he productionized improvements to the existing ML system. Ujjwal led projects in Customer Experience and CLM, working both as a mentor and individual contributor. He also worked on a long-term research project exploring the mix of classical time-series and LSTM models, improved forecasting error across models for tactical and strategic use-cases. Ujjwal is a graduate of the Indian Institute of Technology Kharagpur, where he earned his B.Tech in Instrumentation Engineering. He also holds an AISSCE degree in Physics, Chemistry, Mathematics, English, and Computer Science from DAV Public School Bistupur, Jamshedpur, and a Secondary Education degree from Netarhat Residential School. Ujjwal is a highly skilled and experienced professional with a passion for Machine Learning. He is always looking for new and innovative ways to improve search and discovery, and his expertise in ML makes him a valuable asset to any team.