Kumara Devan Rathinam
NLU/GenAI/Deep Learning/DSML/Operations Research/Forecasting at FedEx
- Role
- Data Scientist Lead at FedEx Dataworks
- Location
- Memphis, TN, US
- LinkedIn followers
- 500 followers
About Kumara Devan Rathinam
Special interests include Forecasting, Mathematical Optimization, Meta-heuristics…
Experience
Data Scientist Lead
Apr 2024 — Present · Memphis, TN, US
Leading the model development for Delivery Time Window estimation- Tackling delivery window estimation in an evolving network where statistical and deep learning models proved ineffective- Decomposed a complex optimization problem into smaller subproblems, applying machine learning and greedy algorithms alongside vectorized operations ensuring scale, speed and high accuracy- Replaced large-scale route simulations with quadratic regression and least squares, achieving higher accuracy and scale- Rapid-prototyped the full solution in 2 days using generative AI, delivering over 1,200 lines of production-grade code- Achieved over 50% improvement in delivery window accuracy.
Education
University of Wisconsin-Madison
Master's Degree
2014 — 2015
Skills
- Quality Control
- Gams (Optimization Tool)
- Integer Programming
- Kaizen
- Operations Research
- Inventory Control
- Metaheuristics
- Vba, C Language, Perl Scripting
- Simulations
- Project Management
- Machine Learning
- Sql
- Python
- Supply Chain Management
- Statistics
- Database Modeling
- Database Design
- Matlab
- Arena Simulation Software
- Optimization
- Simulation Modeling
- Industrial Engineering
- Linear Programming
- Value Stream Mapping
- Process Improvement
- Microsoft Excel
- Statistical Process Control
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