Profile Details

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Hire Dr. Rajiv S.

India

USD 100 /hr

Profile Summary

My career spans both research and work in the industry. I spent nearly two decades in the industry prior to beginning a Ph.D. in machine learning. I have developed solutions for the telecommunications, financial services, retail, tax processing, and transportation domains. My research area is computational approaches to machine learning on big data sets. I am interested in practical machine learning applications that permit me to leverage both my hands on and theoretical skills.

Subject Matter Expertise

• ☆ Software Engineering
• ☆ Data Analysis
• ☆ Big Data Analytics
• ☆ Machine Learning
• ☆ Software Development

Services

• Consulting
• Data & AI
• Product Development

Work Experience

Self Employed

- Present

Research Scholar

Chennai Mathematical Institute

January 2014 - Present

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