Sachin Miryala

About Sachin Miryala

Senior AI/ML Engineer with around 10 years building production-grade GenAI…

Experience

1. Ai Ml Engineer

   Charles Schwab

   Mar 2024 — Present · US

   Worked on building and training advanced AI models using BERT and deep learning for customer segmentation and personalization. Collaborated with stakeholders and cross-functional teams during requirement gathering sessions, boosting targeted campaign effectiveness by 20%.• Developed AI models and engineered features using Python, Pandas, and NumPy, processing financial datasets including transaction history, customer feedback, and demographics stored in AWS Redshift and DynamoDB. Applied feature selection and dimensionality reduction to improve model inputs.• Trained models with TensorFlow, PyTorch, and scikit-learn, leveraging large-scale AWS-based SQL and NoSQL databases for efficient data ingestion and preprocessing pipelines, significantly enhancing data throughput and model accuracy.• Performed hyperparameter tuning and optimization using Optuna and Ray Tune on LSTM, XGBoost, and LightGBM models. Conducted A/B testing frameworks to validate improvements, achieving an 18% uplift in prediction accuracy and customer engagement.• Led rigorous model evaluation with k-fold cross-validation, ROC curves, precision-recall, and confusion matrices, ensuring robustness and reducing error rates by 15%. Iteratively refined models based on evaluation metrics and business goals.• Partnered with DevOps to deploy models on AWS SageMaker, Lambda, and Docker containers, building CI/CD pipelines with Jenkins and Kubernetes orchestration for scalable, real-time personalized recommendations, resulting in a 20% increase in client retention.

Education

• Panimalar Engineering College

  Bachelor of Engineering - BE, Electrical, Electronics and Communications Engineering

• Northern Arizona University

  Master's degree, Computer Science