Sonali Chim
@sonalichim
I build secure, production-oriented C++ and AI analytics systems for large-scale data and privacy-preserving computation.
IndiaWhat I'm looking for
I've built production-oriented AI analytics software at Visa, enabling natural-language queries over large-scale transaction datasets through structured SQL planning, validation, and execution.
I developed hybrid schema retrieval for Hive schemas with 3,000+ columns, fuzzy entity resolution, and SQL safety guardrails using Python, SQL, BM25, RapidFuzz, SQLGlot, MCP, and RAG.
Across five years of C++ development at Cognizant and TCS, plus cryptography research at IISc, I've delivered multithreaded systems, financial-services logic, and privacy-preserving k-means clustering using Paillier homomorphic encryption on Linux.
Experience
Work history, roles, and key accomplishments
Developed an AI-powered analytics platform for natural-language querying of large-scale transaction datasets, including query planning, validation, and execution. Implemented hybrid schema retrieval and fuzzy entity-resolution using BM25 and RapidFuzz, and built SQL validation guardrails with SQLGlot.
Education
Degrees, certifications, and relevant coursework
Indian Institute of Science
Master of Technology (Research), Computer Science
2017 - 2021
Pursued M.Tech. Research in Computer Science with a focus on cryptography, culminating in a thesis on secure two-party k-means clustering.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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