Alok Singh
Principal Engineer at Walmart
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolAlok Singh is a Principal Engineer based in San Francisco with nearly two decades of experience architecting scalable distributed systems, machine learning pipelines, and data analytics platforms. He has led engineering teams at major tech firms (PayPal, IBM, Intuit, Apple) and now focuses on AdTech CTV and AI/ML at Walmart while teaching advanced ML topics and generative AI. Alok blends deep theoretical knowledge of statistics, optimization and numerical methods with hands-on production work in Hadoop, Spark, SystemML, and modern LLM tooling (LangChain, Azure/OpenAI) to operationalize models at scale. He has built end-to-end analytics and targeting platforms, productionized NLP and summarization pipelines, and engineered fault-tolerant data infrastructures using HBase, Hive, and Spark. As a founder of an AI/ML fintech startup and a consultant for retail and healthcare clients, he pairs product-minded engineering with mentoring and team-building to deliver measurable business impact. A rare mix of compiler/OS-level systems background and contemporary ML/GenAI practice gives him a pragmatic edge when optimizing large-scale model and data workflows.
11 years of coding experience
15 years of employment as a software developer
BITS Pilani, Birla Institute of Technology and ScienceSomalwar Jr College
Github Skills (22)
apache-spark10
spark10
python10
r10
big-data10
dml10
jdbc10
java10
scala10
sql10
r-package9
ibm-watson9
pca-analysis8
watson-studio8
jupyter-notebook8
Programming languages (4)
Github contributions (5)
aloknsingh/ds_xgboost_clf_4_imbalance_data
May 2018 - Nov 2018
Contributions:18 commits, 2 PRs, 14 pushes in 6 months
IBM/r4ml-on-watson-studio
Oct 2017 - Jun 2018
Use R4ML, a scalable R package, running on IBM Watson Studio to perform various Machine Learning exercises
Contributions:11 commits, 1 PR, 1 push in 8 months
ibm-watsonmachine-learningrr-packagewatson
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