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Yuvaraj S.
@yuvaraj_singh_1
Statistician,Data Engineer and Data Scientist
India
Engels
Over mij
I’m Yuvaraj Singh, a dedicated and result-driven freelance Data Scientist/Engineer and Statistician with over 5 years of professional experience delivering actionable insights from complex data. With a proven track record of excellence on platforms like Upwork and Chegg, I have consistently delivered high-quality work with 5-star ratings across a variety of real-world data projects.
I specialize in solving advanced statistical problems, Data warehousing (ETL/ELT), building machine learning models, visualizing data insights, and helping researchers and businesses make data-informed decisions.
Skills
Yuvaraj S.
offline •
Bekijk mijn diensten
Datawarehouse
I will design scalable etl pipelines and robust data engineering workflows
Statistische modellering en analyse
I will analyze your data and deliver actionable insights
Werkervaring
Data Scientist
Upwork • Freelance
Feb 2023 - Present • 3 yrs 4 mos
Data Scientist with expertise in Python, RStudio, SAS, SQL, and advanced statistical modeling. Specializes in supervised/unsupervised ML, predictive analytics, and big data handling. Delivered 10+ high-impact projects in healthcare, retail, and education, achieving measurable improvements in business outcomes. I also work as an Data engineer with experties in SQL server, MySQL, database management, ETL, ELT (using DBT and Snowflake), where as an Data Engineer with expertise in ETL development, data warehousing, and SQL-based data integration and building efficient data pipelines. Experienced in transforming raw datasets into structured, high-quality data for analytics and business intelligence.
Subject Matter Expert
Chegg india private limited • Freelance
Apr 2019 - Jan 2023 • 3 yrs 9 mos
I worked as a freelance statistician (Q&A expert of statistics ), my job was to deliver the best solutions to the questions of statistics, assignments, homework of the students over the chegg platform to help them better understand statistics and provide them a detailed stepwise answers, where I solved 5k+ problems with highest ratings from students worldwide. I also used to solve the assignment, projects and case study of advance statistics books prevalent in USA using various statistical tools (like Excel, SPSS, R and python) and techniques and provide the detailed solutions , cleaning, analysis, visualization of the datasets and report writing of the findings etc and typed them into MS-word, I solved around 100+ high standards books of statistics and application of statistics using various programming languages like R/Python, SAS etc.
