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Profile Details
Create Project
USD 100 /hr
Hire Dr. Rajiv S.
USD 100 /hr

Seasoned Data Scientist

Profile Summary
Subject Matter Expertise
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


January 1997 - April 2001


PhD (Computer Science)

Chennai Mathematical Institute

January 2014 - June 2019

  • Certification details not provided.
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.
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