K Krishna

About K Krishna

Highly analytical and results-driven Data Scientist (AI/ML) with 5+ years of experience…

Experience

1. Data Scientist (Aiml)

   Johnson & Johnson

   Jun 2024 — Present · NJ, US

   Led end-to-end development of customer behavior forecasting models using Python, SQL, and XGBoost, owning the full lifecycle from feature engineering and validation through deployment, resulting in a 22% improvement in forecast accuracy.•Architected and productionized scalable ML pipelines on AWS SageMaker using Docker and CI/CD workflows, reducing model deployment time by 40% while improving reliability across environments.Designed and implemented NLP pipelines using TensorFlow and Hugging Face Transformers to process large volumes of unstructured customer feedback, enabling automated sentiment analysis and trend detection; integrated Snowflake-based data sources with Apache Airflow to orchestrate automated training, retraining, and near real-time inference workflows.Implemented model monitoring, performance tracking, and drift detection using MLflow and Grafana, improving model stability and early issue detection in production.Partnered with product managers, data engineers, DevOps, and BI teams to define success metrics, align on data requirements, and deliver ML solutions tied directly to business outcomes.Tech Stack: Python, SQL, AWS SageMaker, TensorFlow, PyTorch, Snowflake, Airflow, MLflow, DockerTools: Python, AWS SageMaker, TensorFlow, PyTorch, Snowflake, Airflow, MLflow, Git, Docker, Tableau