Profile Details

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Hire Dr. Rajiv S.

India

USD 100 /hr

Seasoned Data Scientist

Profile Summary

As an independent data science consultant, I help clients leverage machine learning to solve complex business problems and optimize outcomes. With a Ph.D. in computer science and over 15 years of experience in data mining and machine learning, I have the skills and knowledge to design, develop, and deploy scalable and robust data solutions across various domains, such as financial services, government, retail, telecom, and transportation. My mission is to empower organizations with data-driven insights and solutions that can enhance their performance, efficiency, and competitiveness. I have successfully delivered multiple projects that involved data analysis, modeling, visualization, and interpretation. See www.r2-ds.com to see how I can work with you to get your data science ideas to fruition ( video profile: https://www.youtube.com/watch?v=Zh1OI69wYqU )

Subject Matter Expertise

• ☆ Software Engineering
• ☆ Data Analysis
• ☆ Social Network Analysis
• ☆ Algorithm Design
• ☆ Predictive Modeling & Analytics
• ☆ Data Processing
• ☆ Data Exploration
• ☆ Cluster Analysis
• ☆ Data Visualization
• ☆ Big Data Analytics
• ☆ Machine Learning
• ☆ Data Mining
• ☆ Pattern Recognition
• ☆ Artificial Intelligence
• ☆ Business Analytics
• ☆ Statistics
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Statistical Computing
• ☆ Knowledge Management
• ☆ Information & Knowledge Management
• ☆ Software Development

Services

• Research
• Consulting
• Data & AI
• Product Development

Research Feasibility Study, Technology Scouting, Fact Checking, Gap Analysis, Gray Literature Search, Scientific and Technical Research, Systematic Literature Review

Work Experience

Self Employed

- Present

Research Scholar

Chennai Mathematical Institute

January 2014 - May 2019

Software Architect

Self Employed (Contractor to Info Reliance and CSC at the IRS)

May 2007 - June 2013

Software Architect

Self Employed (Contractor to Fannie Mae and Freddie Mac)

January 2006 - May 2007

Technical Lead

Self Employed (Contractor to Freddie Mac)

August 2004 - December 2005

Software Engineer

Self Employed (Contractor to Northrop Grumman IT)

January 2003 - August 2004

Software Engineer

Metro Optix

May 2001 - October 2002

Software Engineer

Timera

January 1997 - April 2001

Education

PhD (Computer Science)

Chennai Mathematical Institute

January 2014 - June 2019

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

(2020). A Bayesian perspective of statistical machine learning for big data . Computational Statistics.

Sambasivan, Rajiv and Das, Sourish(2018). Classification and Regression Using Augmented Trees . International Journal of Data Science and Analytics. p. 1--18. Springer

Das, S., Roy, S., Sambasivan, R.(2018). Fast Gaussian Process Regression for Big Data . Big Data Research.

CONFERENCE PAPER

Sambasivan, R., Das, S.(2018). A statistical machine learning approach to yield curve forecasting . ICCIDS 2017 - International Conference on Computational Intelligence in Data Science, Proceedings. 2018-January. p. 1-6.

Sambasivan, Rajiv and Das, Sourish(2017). Big Data Regression Using Tree Based Segmentation. Proceedings of INDICON. IEEE