Professional Experience

Where I've
Worked

From AI research in neuro-oncology to statistical consulting and data engineering — a timeline of roles that have shaped my approach to rigorous, reproducible data science.

Research AI & Academic Research
May 2025 — Present
Current
Artificial Intelligence Research Intern
TCG CREST × University of Pennsylvania Collaboration
Kolkata, India · Research Collaboration

Advanced DCE-MRI analysis in glioblastoma using voxel-wise parsimonious pharmacokinetic modelling, multiparametric habitat-imaging, and machine learning for treatment response classification. Developing quantitative radiomics pipelines and contributing to multiple manuscripts on AI-driven biomarker discovery. Working with DICOM/NIfTI neuroimaging data at the intersection of clinical medicine and statistical machine learning.

DCE-MRIPyRadiomicsnnU-NetLightGBMSHAPSimpleITKPython
Consulting Statistical Expertise
Nov 2022 — May 2025
Subject Matter Expert — Statistics
Chegg Inc.
Remote · 2.5 years

Delivered 700+ high-accuracy solutions across probability theory, regression analysis, statistical inference, mathematical optimization, and stochastic processes. Maintained 98%+ learner satisfaction rating throughout continuous engagement. Developed expertise in explaining complex statistical concepts with clarity and pedagogical precision.

Statistical InferenceProbabilityRegressionOptimizationRPython
Engineering Data Engineering
Sep 2024 — Oct 2024
Data Science Intern
NIELIT Kolkata
Kolkata, India · 2 months

ETL pipeline design using SQL, Hadoop, and MongoDB for heterogeneous large-scale datasets. Improved data retrieval efficiency via indexing strategies, schema redesign, and distributed pipeline optimization using HDFS and MapReduce. Gained hands-on experience with big data infrastructure and NoSQL database design patterns.

SQLHadoopMongoDBHDFSMapReduceETL
🎓 Education
M.Sc. Data Science
St. Xavier's College, Kolkata
2024–2026 · SGPA 7.10
B.Sc. Statistics (Hons.)
St. Xavier's College, Kolkata
2021–2024 · CGPA 7.0
Code in Place — Python & Algorithms
Stanford University (Online)
2023
JAM Qualified
Joint Admission Test for Masters
2024
Higher Secondary (12th)
D.H. Bharat Sevasram Sangha Pranab Vidyapith
2021 · 87.80%
Secondary (10th) — District 2nd Rank
D.H. Bharat Sevasram Sangha Pranab Vidyapith
2019 · 93.43%
🏆 Achievements & Awards
01
2nd Runner-up — PharmaQuant HackathonTop 3 of 800+ participants in Statistical Analysis challenge
02
Nationwide Rank #43 — RedBus ML HackathonDemand forecasting among 800+ competing teams nationwide
03
District 2nd Rank — Secondary (2019)93.43% — D.H. Bharat Sevasram Sangha Pranab Vidyapith
04
JAM Qualified — 2024Joint Admission Test for Masters in Mathematical Statistics
05
98%+ Satisfaction — Chegg Inc.Over 700 expert statistical solutions delivered with top rating