Hema Latha K.

About Hema Latha K.

AI/ML Engineer with 9+ years of experience in developing, deploying, and optimizing…

Experience

1. Data Scientist Nlp Engineer

   The Cigna Group

   Feb 2024 — Present

   Defined and executed data mapping specifications to extract, transform, and transmit data between internal data warehouses and external systems.•Utilized Python libraries such as NumPy, SciPy, Pandas, StatsModels, and Matplotlib for data cleaning, mapping, and advanced feature engineering.• Applied NLP techniques—tokenization, stemming, lemmatization, POS tagging, parsing—using NLTK and SpaCy for analyzing product reviews and refining search relevance.• Developed and fine-tuned Generative Adversarial Networks (GANs) for synthetic data generation and image enhancement.• Optimized prompts for GPT and BERT-based models to improve performance in summarization and content generation.• Designed and trained Variational Autoencoders (VAEs) for dimensionality reduction and anomaly detection.• Deployed scalable ML pipelines using Kubeflow on Kubernetes, supporting distributed model training and real-time inference.• Implemented end-to-end AI workflows in AWS SageMaker and Google AI Platform including model training, deployment, monitoring, and automated retraining pipelines.• Incorporated bias detection and mitigation mechanisms into generative AI deployments for ethical and fair model behavior.• Utilized SageMaker for large-scale time series forecasting and predictive analytics based on customer behavior data.• Performed hyperparameter tuning, feature engineering, and model validation for trading volatility forecasting models.

Education

• George Mason University

  Master's degree

• Acharya Nagarjuna University

  Bachelor of Engineering - BE, Computer Science