About

Himanshu Joshi is a highly skilled data science and analytics professional with close to 5 years of experience in the field. He is passionate about unlocking insights from data and providing end-to-end data science solutions to generate business value for clients. Currently, he is working in the fraud domain for PayPal's risk-as-a-service product team. Himanshu has worked on different use cases across different industries, including the automotive industry, retail industry, financial services, and localization. He has built various models such as churn prediction models, market mix models, and NLP machine translation engines. He is well-versed in data science models such as Linear and logistic regression, Decision Tree, Random Forest, and XGBoost. He has expertise in cloud platforms such as Azure and PySpark, programming languages such as Python, R, and SQL, and data visualization tools such as Matplot and Seaborn. He is also experienced in version control tools such as Git and Bitbucket. In his current role at PayPal, Himanshu has built a statistical-based feature selection module, improved the effectiveness and run-time of the XGBoost algorithm by 12%, and added new features to the product from different data sources, improving the fraud catch rate by 23%. He is providing curated recommendations to various merchants to help them tackle fraud on their platform and building a tableau dashboard to monitor variable performance. He is also automating whatever he can to improve efficiency. Himanshu has previously worked as a Data Scientist and Senior Analyst - Data Science at Tiger Analytics. In these roles, he built data cleaning pipelines in PySpark, built a LightGBM model, and used shapely values for feature importance. He also led and mentored a team of 3 data analysts. He built a predictive Market-Mix model using the Bayesian framework to measure the effectiveness of the 47 marketing channels and developed and enhanced several modules in the backend tool to automate insights generation process. Himanshu holds a Bachelor of Technology (BTech) in Computer Science from Maharaja Agrasen Institute of Technology. He is skilled in various technologies such as SQL, NLP, ML, Computer Vision, Spark, Docker, and MySQL. With his relevant experience of 5.44 years, Himanshu is a valuable asset to any organization looking for a data science and analytics professional.