Rijul Singh Malik
@rijulsinghmalik
Data Scientist at Mpect
New Delhi
Rijul Singh Malik is a Data Scientist with a Master of Data Science from the University of California, Irvine. He has professional experience at Mpect, Ernst & Young, and Quest Diagnostics, specializing in machine learning, LLMs, and ETL optimization. He is skilled in Python, Spark, and building end-to-end data solutions to drive business revenue and efficiency.
Experience
Data Scientist
Mpect
Spearheaded a transformation initiative, training a team of 20 on Agile methodologies and tools, resulting in a 15% increase in project delivery speed and a 20% reduction in defects. Enhanced operational efficiency by integrating Spark scripts for real-time analytics; optimized ETL processes using Hadoop, PySpark resulting in a 30% increase in revenue. Built an end-to-end user chatbot using LLMs such as GPT integrating RAG for user relevant and intent from knowledge base, further testing the model using Precision, Recall and F1 Score.
Project Ambassador
UC Irvine
Implemented CI/CD pipelines to streamline model training and deployment processes, reducing deployment time by 40% and enabling seamless scaling of machine learning applications across platforms. Spearheaded the development of a personalized NLP system based using NLTK, SpaCy; improved customer engagement and boosted repeat purchases by 25%.
Data Science Intern
Quest Diagnostics
Developed and implemented a robust Time Series pricing strategy based on SVM, Naïve Bayes; optimized pricing structures, which led to a 20% boost in profit margins within six months. Developed a comprehensive product pricing analysis using Tableau increasing profitability by 30% through strategic pricing adjustments; refined pricing model based on customer feedback and market trends. Engineered end-to-end E-Commerce solution, integrating Decision Trees, Random Forest for predictive analytics, resulting in 40% faster data processing and reduced storage costs by 25%.
Data Scientist
Ernst & Young
Led a team in conducting comprehensive correlation testing across various customer touchpoints, optimizing pricing strategies and enhancing user experience using confidence intervals; the initiative led to a 40% reduction in customer churn rate. Led a cross-functional team in the migration of data from DBT to Postgres, ensuring data integrity and availability for BI visualization; project completed 2 months ahead of schedule and reduced data retrieval time by 50%.
Big Data Intern
Ericsson
Developed and executed innovative learning programs for team members on media analytics and modeling techniques; improved team proficiency in Causal and Bayesian Inference, leading to enhanced campaign performance. Optimized data warehouse performance by fine-tuning queries and indexing strategies using TensorFlow resulting in a 40% reduction in query execution time and improved overall system efficiency.
Research Intern
Genpact
Implemented pricing optimization algorithms using NumPy, Pandas and Scikit Learn to analyze market trends and competitor data, resulting in a 15% increase in profit margins and a more competitive pricing strategy that aligned with consumer preferences. Implemented an intermediate stack leveraging JIRA for project management and Git for version control to streamline supply chain processes, resulting in a 25% reduction in deployment errors.
Education
University of California, Irvine
Master of Data Science
Data Science
Guru Gobind Singh Indraprastha University
B.Tech.
Information Technology
University of California, Berkeley
Summer School