Varun Tyagi

About Varun Tyagi

Dedicated problem solver.End-to-end data engineering, ML modeling and app deployment. Cloud-based distributed machine learning and data analysis tools (MS Azure, Databricks). Data engineering pipelines with Databricks+PySpark, SQL, Azure Data Factory. Azure ML for training and deployment.Automation workflows using multi-agent LLMs.Time series data: signal processing for ML data preparation, feature extraction. Machine Learning methods for equipment failure analysis. Time series classification and clustering using LSTM and autoencoders. Anomaly detection and changepoint detection for real-time sensor data. Deployment and monitoring on Edge devices with Azure IoT.Computer Vision and video analytics: Multi-class, multi-label classification using deep learning (DenseNet, ResNet, YOLO etc). Object tracking with Kalman filters. Image processing methods for data preparation. Highly experienced with Tensorflow/Keras, PyTorch. Bayesian and statistical methods: A/B testing, switch-point detection, Bayesian inference using the PyMC library. Survival analysis methods. Stochastic simulation methods. Multi-parameter optimization and inversion using Genetic Algorithms, Simulated Annealing, other Monte Carlo methods. AI model and web app deployment in production settings.PowerBI, Streamlit, and Dash for visualization and web app creation.

Experience

1. Tech Advisor - Data Engineering Data Science, Halliburton Digital Solutions

   Halliburton

   Sep 2019 — Present · Houston, TX, US

Education

• Penn State University

  MS, Engineering Science

  2006 — 2007

• Penn State University

  BS, Electrical Engineering

  2001 — 2005

Skills

• Characterization
• Geophysics
• Fortran
• Physics
• Matlab