Chayan Raj
Assistant Project Manager at EXL
Gurugram, Haryana, India
Summary
👤
Senior🎓
Top SchoolChayan Raj is a data-focused engineering leader with 9 years of experience blending software engineering, data engineering, and applied machine learning to deliver production-grade analytics and GenAI solutions. He holds an MS in Statistics and Machine Learning from Linköping University and has translated thesis research at Ericsson into a production PySpark framework that labeled millions of LTE data points and earned top thesis grades. At BMO and GE Healthcare he built optimized AWS data pipelines, improved BI capabilities by ~40%, and cut cloud costs and job times through PySpark and ETL optimizations. Currently leading GenAI projects as an Assistant Project Manager, he designs RAG/LLM integrations, evaluates model performance, and enforces responsible-AI practices while mentoring junior engineers. A lifelong learner and communicative storyteller, he complements technical depth (Spark, Python, SQL, AWS/GCP/Azure, Docker, Snowflake) with hands-on experience in agentic QA systems and practical NLP/vision work. Notably, his background spans from embedded hackathons and award-winning social-innovation projects to publishing technical essays as a Medium writer, underscoring a rare mix of product intuition and community-facing outreach.
9 years of coding experience
5 years of employment as a software developer
Master's degree (Part time - Distance Learning) Machine Learning, Master's degree (Part time - Distance Learning) Machine Learning at KTH Royal Institute of TechnologyBachelor of Technology - BTech Electrical and Electronics Engineering (3.32/4 GPA), Bachelor of Technology - BTech Electrical and Electronics Engineering (3.32/4 GPA) at Vellore Institute of Technologysenior secondary science, senior secondary science at Bal bharati Public School, NoidaMaster of Science - MS Statistics and machine learning, Master of Science - MS Statistics and machine learning at Linköping University
English, Hindi, Swedish
Stackoverflow
80reputation
3kreached
2answers
3questions
Github Skills (39)
house-prices8
auc7
prediction6
tricks6
floating-point6
geopy6
aws-lambda6
loops6
python6
numpy6
prediction-model6
pandas6
combinatorics6
evaluation5
normal4
Programming languages (5)
Github contributions (5)
chayansraj/LINHAC-2022-Data-Science-Student-Competition
May 2022 - Nov 2022
Contributions:51 commits, 55 pushes in 5 months
chayansraj/Vision-Transformer-Research
Oct 2022 - Jan 2023
The purpose of this research project is to gain knowledge in PyTorch framework and compare traditional CNNs to vision transformers, can transformers give a higher AUC when classifying Atypical Femoral Fracture / Normal Femoral Fracture?
Contributions:52 PRs, 247 pushes, 2 branches in 3 months
pytorchtransformerstraditionalvisionknowledge
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