Nehal Roy
@nehalroy
Data Scientist at Softsensor.ai
Kolkata, West Bengal, India
Nehal Roy is a Data Scientist at Softsensor.ai with expertise in Python, Machine Learning, and Deep Learning. He has a proven track record in developing conversational AI solutions, such as the CFO Co Pilot chatbot, and implementing predictive models to reduce customer churn. Nehal holds a Bachelor of Science in Physics from the University of Calcutta and is a certified Azure Developer Associate.
Experience
Data Scientist
Softsensor.ai
Spearheaded in-house research and development of a chatbot tailored for C-Suite professionals (CFO Co Pilot) using LangChain and Bot Framework SDK. Conducted research on advanced NLP and RAG systems, focusing on Parent Document Retriever techniques. Managed a team of 32 people. Implemented predictive modelling and survival analysis for a veterinary company, successfully reducing quarterly churn by 8% and realizing $157,000 in cost savings. Generated Power BI dashboards for business KPIs.
Junior Automation Engineer
BAAR Technologies
Developed automation scripts using Python for the BAAR platform. Used Robot Framework for comprehensive automation concept and control drawings. Contributed to BAARIGA SaaS for automating Identity, Governance, and Administration. Delivered projects worth $550,000 and decreased operating costs for clients by 80%.
Teaching Assistant
Delight Institute
Mentored students and tailored courses by distilling textbook essence into concise notes. Developed and assessed assignments and lecture notes. Set up experimental arrangements for undergraduate physics courses. Instrumental in establishing the Computational Physics course structure.
Research Intern
Indian Institute of Technology, Indore
Collaborated with Prof. Amit Shukla in researching exoplanets using NASA's Exoplanet Program data. Analyzed light curves from TESS and Kepler missions using AstroPy and Lightkurve. Evaluated computational tools like Discrete Fourier Transform and Lomb-Scargle Periodogram, establishing the latter's superiority for light curve analysis.
Education
University of Calcutta
Bachelor of Science
Physics (Hons.)
Topper of the class. Minor in Mathematics, Chemistry.
Licenses & Certifications
Certified Azure Developer Associate (DP - 204)