About

Sachin Bhandarkar is a Senior Machine Learning Engineer with a passion for building Machine Learning models and systems that enhance customer experiences through the utilization of large-scale data in batch, real-time, and hybrid approaches. He has over 9 years of relevant experience in Machine Learning, Software Development, Data Science, Leadership, and Agile methodologies. Currently, Sachin is working at Twitter as a Sr. Machine Learning Engineer in the Revenue Science department. Sachin has a diverse technical skill set, including programming languages such as Python, Scala, Java, R, and C. He is also experienced in distributed systems such as Apache Hadoop, Spark, Mahout, Hive, and SparkSQL, as well as real-time and streaming systems such as Apache Kafka, Storm, and Google Cloud PubSub. Sachin's expertise in Machine Learning includes recommendation, ranking, voice assistants, classification, and clustering. He is also proficient in AI/ML toolkits such as XGBoost, TensorFlow, Scikit Learn, NLTK, Stanford NLP, Pandas, and NumPy. Additionally, Sachin has experience working with NoSQL and RDBMS databases such as BigTable, Couchbase, Cassandra, SQL, MySQL, BigQuery, and Teradata. Before joining Twitter, Sachin worked at eBay as a Lead Machine Learning Engineer/Data Scientist. During his tenure, he designed and implemented eBay's Deal Ranking system using XGBoost Learning-to-Rank model, developed frame-based multi-turn dialogue manager and eBay OAuth federation for eBay's Google Assistant chatbot, and facilitated Agile Sprint Grooming, Planning, Standups, Retrospective, Roadmap & Strategy for his team of 7 engineers/scientists. Sachin also engineered an efficient encryption, decryption, and key management tool using C and Java to secure data at rest in eBay data stores and in motion. Sachin holds a Master's degree in Computer Science from North Carolina State University and a Bachelor of Engineering degree in Information Science & Engineering from Vishveshwaraiah Technological University. He is proficient in a variety of tech stacks, including ML, XGBoost, SQL, Data Scientist, AI, Software Engineer, NLP, Spark, Scikit, Kafka, TensorFlow, Pandas, MySQL, Cassandra, Hadoop, Java, Research Scientist, Python, Scala, Apache Hive, and Apache Storm. Sachin is a seasoned professional with a proven track record of delivering results and leading teams to success.