Sep 2021 – Mar 2023 · 1 yr 6 mos

Jun 2020 – Sep 2021 · 1 yr 3 mos · Bengaluru, Karnataka, India

• First data scientist at Khatabook. Worked on reducing financial fraud on the platform. Reduced the fraud by three times and brought it to sub 0.5% levels. Used a mix of heuristics (financial rules) and machine learning models to detect fraudulent behavior. Over time, phased out the manual effort and made the process near real-time, and developed a CI/CD pipeline to maintain model performance.
• Also worked on other business intelligence initiatives - developed processes for identifying underwriting leads, and identifying business users vs personal users.

Jun 2017 – Jun 2020 · 3 yrs · Bengaluru Area, India

• Development of AutoML, a Spark based machine learning platform that smartly performs feature engineering, feature selection, and model tuning without user intervention. AutoML uses Bayesian Optimization to run more iterations of better performing model.

Sep 2015 – May 2017 · 1 yr 8 mos · Bengaluru Area, India

• Worked on machine learning and data science projects for banking and pharmaceutical companies.
• Projects:
• Development of an information retrieval system to search through the documents
• Identifying marketing channels' ROI through statistical models for a Fortune 500 pharmaceutical company
• Credit Risk modeling for a Fortune 500 bank to identify prospective customers

Jul 2013 – Apr 2015 · 1 yr 9 mos · Dhanbad Area, India

May 2013 – Jun 2013 · 1 mo · Jamshedpur Area, India

• Beneficiation of Uranium ore:
• Learned the details of the metallurgical and mineral beneficiation processes involved in the extraction of Uranium (U-238) from Uranium ore (grade-0.031 % U)
• Also learned the working of equipments like radiometer, fluorometer, UV-visible spectro-photometer, pH meter, emf-meter, moisture analyser, multi-gas analyser, X-ray fluorescence spectrometer (XRF), ICP-AES, crushers, mills etc.