• Senior AI/ML Engineer and Data Scientist with 12+ years of experience designing, developing, deploying, and operating enterprise-scale Artificial Intelligence, Machine Learning, Generative AI, Computer Vision, and cloud-native data platforms across healthcare, financial services, telecom, and enterprise environments. • Extensive hands-on experience with Azure Databricks, Apache Spark, PySpark, Delta Lake, Azure Data Factory, Azure Machine Learning, Azure Synapse Analytics, Azure Functions, Azure Blob Storage, and Azure cloud services for scalable AI/ML and data engineering workloads. • Strong expertise building end-to-end AI/ML solutions on Azure Databricks, including large-scale data processing, feature engineering, model training, experimentation, inference pipelines, model validation, and production deployment. • Advanced Python development experience using PyTorch, TensorFlow, Keras, Scikit-learn, Pandas, NumPy, XGBoost, LightGBM, Transformers, FastAPI, Flask, and related AI/ML frameworks. • Hands-on knowledge of Computer Vision / Vision AI techniques including CNNs, transfer learning, OCR, object detection, YOLO, Faster R-CNN, image segmentation, U-Net, Mask R-CNN, ResNet, VGG, MobileNet, and image preprocessing. • Strong understanding of deep-learning architectures, including Artificial Neural Networks, CNNs, Autoencoders, Transformers, Attention Mechanisms, LSTMs, and transfer-learning models, with hands-on PyTorch and TensorFlow experience. • Designed and deployed production-grade Machine Learning and Deep Learning systems supporting real-time inference, predictive analytics, recommendation engines, classification, anomaly detection, forecasting, healthcare risk prediction, and intelligent automation. • Experienced in building scalable ML pipelines using Azure Databricks, MLflow, Apache Airflow, Azure Machine Learning, Spark, Delta Lake, Docker, Kubernetes, and CI/CD.

Nivas Ramagiri

• Senior AI/ML Engineer and Data Scientist with 12+ years of experience designing, developing, deploying, and operating enterprise-scale Artificial Intelligence, Machine Learning, Generative AI, Computer Vision, and cloud-native data platforms across healthcare, financial services, telecom, and enterprise environments. • Extensive hands-on experience with Azure Databricks, Apache Spark, PySpark, Delta Lake, Azure Data Factory, Azure Machine Learning, Azure Synapse Analytics, Azure Functions, Azure Blob Storage, and Azure cloud services for scalable AI/ML and data engineering workloads. • Strong expertise building end-to-end AI/ML solutions on Azure Databricks, including large-scale data processing, feature engineering, model training, experimentation, inference pipelines, model validation, and production deployment. • Advanced Python development experience using PyTorch, TensorFlow, Keras, Scikit-learn, Pandas, NumPy, XGBoost, LightGBM, Transformers, FastAPI, Flask, and related AI/ML frameworks. • Hands-on knowledge of Computer Vision / Vision AI techniques including CNNs, transfer learning, OCR, object detection, YOLO, Faster R-CNN, image segmentation, U-Net, Mask R-CNN, ResNet, VGG, MobileNet, and image preprocessing. • Strong understanding of deep-learning architectures, including Artificial Neural Networks, CNNs, Autoencoders, Transformers, Attention Mechanisms, LSTMs, and transfer-learning models, with hands-on PyTorch and TensorFlow experience. • Designed and deployed production-grade Machine Learning and Deep Learning systems supporting real-time inference, predictive analytics, recommendation engines, classification, anomaly detection, forecasting, healthcare risk prediction, and intelligent automation. • Experienced in building scalable ML pipelines using Azure Databricks, MLflow, Apache Airflow, Azure Machine Learning, Spark, Delta Lake, Docker, Kubernetes, and CI/CD.

Available to hire

• Senior AI/ML Engineer and Data Scientist with 12+ years of experience designing, developing, deploying, and operating enterprise-scale Artificial Intelligence, Machine Learning, Generative AI, Computer Vision, and cloud-native data platforms across healthcare, financial services, telecom, and enterprise environments.
• Extensive hands-on experience with Azure Databricks, Apache Spark, PySpark, Delta Lake, Azure Data Factory, Azure Machine Learning, Azure Synapse Analytics, Azure Functions, Azure Blob Storage, and Azure cloud services for scalable AI/ML and data engineering workloads.
• Strong expertise building end-to-end AI/ML solutions on Azure Databricks, including large-scale data processing, feature engineering, model training, experimentation, inference pipelines, model validation, and production deployment.
• Advanced Python development experience using PyTorch, TensorFlow, Keras, Scikit-learn, Pandas, NumPy, XGBoost, LightGBM, Transformers, FastAPI, Flask, and related AI/ML frameworks.
• Hands-on knowledge of Computer Vision / Vision AI techniques including CNNs, transfer learning, OCR, object detection, YOLO, Faster R-CNN, image segmentation, U-Net, Mask R-CNN, ResNet, VGG, MobileNet, and image preprocessing.
• Strong understanding of deep-learning architectures, including Artificial Neural Networks, CNNs, Autoencoders, Transformers, Attention Mechanisms, LSTMs, and transfer-learning models, with hands-on PyTorch and TensorFlow experience.
• Designed and deployed production-grade Machine Learning and Deep Learning systems supporting real-time inference, predictive analytics, recommendation engines, classification, anomaly detection, forecasting, healthcare risk prediction, and intelligent automation.
• Experienced in building scalable ML pipelines using Azure Databricks, MLflow, Apache Airflow, Azure Machine Learning, Spark, Delta Lake, Docker, Kubernetes, and CI/CD.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
See more

Language

English
Fluent
Hindi
Advanced

Work Experience

Senior AI Engineer at AT&T
November 1, 2022 - Present
Architected enterprise AI platforms using MCP, RAG, agentic AI, and multi-agent system patterns for conversational AI ecosystems. Built two large-scale chatbot systems with differing user bases, authentication models, and retrieval workflows. Developed production retrieval architectures combining semantic search, structured knowledge modeling, vector embeddings, and multi-agent reasoning. Implemented dual retrieval pipelines including NL-to-SQL generation and Bedrock RAG for financial/policy Q&A. Designed MCP-based agent-to-agent communication and dynamic tool calling, conversational memory, and routing. Delivered guardrails including response sanitization, OAuth validation, IAM controls, and secrets security. Built cloud-native deployments (AWS Lambda, DynamoDB, RDS, S3) with observability using CloudWatch dashboards and structured logging. Created automated tests (pytest) for retrieval pipelines, MCP workflows, and entity resolution.
Data Scientist (AI/GenAI) at Boston Scientific
September 1, 2020 - October 1, 2022
Built PyTorch recommendation models (collaborative filtering/matrix factorization) to improve personalized discovery for healthcare product recommendations. Developed demand forecasting models (Prophet, XGBoost) to reduce stockouts and improve supply planning. Created transformer-based NLP pipelines for multilingual product classification and taxonomy automation. Implemented semantic/metadata-filtered retrieval and question answering solutions. Designed reusable AI platform components for ingestion, embedding generation, and retrieval orchestration. Developed anomaly detection with Isolation Forest and autoencoders. Deployed real-time scoring services using FastAPI/Azure Functions and created dashboards in Power BI/Looker. Built ETL pipelines using Azure Data Factory/AWS Glue/Databricks and processed large datasets with Spark/Delta Lake. Integrated model explainability practices for compliance readiness and ran uplift modeling/segmentation experiments for outreach effectiveness.
AI Engineer at Thermo Fisher Scientific
November 1, 2017 - August 31, 2020
Led readmission-risk modeling using EHR/claims and clinical notes, reducing preventable returns by 22% and improving outcomes across Medicaid/Medicare programs. Unified and processed 200M+ rows of healthcare data using Python, Spark, and SQL on Azure Databricks/Data Lake. Engineered clinically relevant features from structured/unstructured data; improved AUC from 0.71 to 0.89 via feature enrichment, outlier handling, and Bayesian hyperparameter tuning. Built real-time scoring APIs with Flask and integrated into Azure Functions/API Management. Implemented ML pipelines with Airflow and MLflow for secure CI/CD, containerized deployments on Kubernetes, and healthcare security controls (private endpoints/network segmentation). Applied SHAP/LIME explainability in Azure ML for clinical trust and governance. Established feature stores and reusable pipelines with Delta Lake; monitored deployed services with Azure Monitor/App Insights and implemented drift monitoring. Built compliance reporting
Azure Data Engineer at H&R Block
April 1, 2016 - October 1, 2017
Designed robust ETL pipelines using Azure Data Factory and Azure SQL Data Warehouse to ingest and transform high-volume sales and inventory data. Built near real-time ingestion with Event Hubs and ADF. Developed transformation logic in Python with schema mapping integrated into ADF. Led enterprise migration from Salesforce/Teradata to Azure SQL DW. Optimized T-SQL/PL-SQL transformations to reduce latency and improve throughput. Implemented data validation and quality checks, dimensional modeling (star schemas), and Power BI reporting with row-level security. Automated Power BI publishing/delivery and monitored pipeline health using Azure Monitor. Reconciled post-migration data with checksum/audit validation and managed secrets via Azure Key Vault.
Data Engineer at TD Bank
January 1, 2014 - March 31, 2016
Built fraud intelligence reporting using SQL/Oracle for transaction monitoring (anomaly rates, alert volumes, rule effectiveness). Supported fraud KPI definition and data lineage documentation. Conducted root-cause analysis for scoring mismatches using historical lineage. Produced audit-ready datasets for high-risk interbank transactions using Oracle PL/SQL. Developed scheduled ETL workflows with PL/SQL and UNIX cron jobs, reducing fraud reporting latency by 40%. Implemented data integrity checks and collaborated on Informatica PowerCenter re-architecture mapping/Q&A. Built/optimized SQL transformations across multiple reporting layers and aligned pipelines with regulatory/compliance needs.

Education

Master of Science in Computer Science at University of Alabama Birmingham
January 1, 2013 - December 1, 2013
Bachelor of Engineering in Computer Science at Chandigarh University
January 1, 2007 - May 1, 2011

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Healthcare, Retail, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
See more

Hire a AI Engineer

We have the best ai engineer experts on Twine. Hire a ai engineer in Los Angeles today.