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Hello! I’m R. Raju, an AI/ML engineer with 8+ years of experience designing, building, and deploying machine learning models, generative AI applications, and scalable data pipelines. I thrive on turning complex data into practical, high-impact solutions and love collaborating with cross-functional teams to ship robust AI-powered products. I’m proficient with Python, SQL, PyTorch, TensorFlow, Hugging Face, OpenAI APIs, LangChain, and a broad MLOps toolkit. I enjoy optimizing models for performance and cost, crafting maintainable code, and exploring new AI methods to solve real-world problems in healthcare, manufacturing, and data engineering.…Hello! I’m R. Raju, an AI/ML engineer with 8+ years of experience designing, building, and deploying machine learning models, generative AI applications, and scalable data pipelines. I thrive on turning complex data into practical, high-impact solutions and love collaborating with cross-functional teams to ship robust AI-powered products. I’m proficient with Python, SQL, PyTorch, TensorFlow, Hugging Face, OpenAI APIs, LangChain, and a broad MLOps toolkit. I enjoy optimizing models for performance and cost, crafting maintainable code, and exploring new AI methods to solve real-world problems in healthcare, manufacturing, and data engineering.

R. Raju

Data Scientist, Full Stack Developer, Web Developer, +5

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Hello! I’m R. Raju, an AI/ML engineer with 8+ years of experience designing, building, and deploying machine learning models, generative AI applications, and scalable data pipelines. I thrive on turning complex data into practical, high-impact solutions and love collaborating with cross-functional teams to ship robust AI-powered products. I’m proficient with Python, SQL, PyTorch, TensorFlow, Hugging Face, OpenAI APIs, LangChain, and a broad MLOps toolkit. I enjoy optimizing models for performance and cost, crafting maintainable code, and exploring new AI methods to solve real-world problems in healthcare, manufacturing, and data engineering.…Hello! I’m R. Raju, an AI/ML engineer with 8+ years of experience designing, building, and deploying machine learning models, generative AI applications, and scalable data pipelines. I thrive on turning complex data into practical, high-impact solutions and love collaborating with cross-functional teams to ship robust AI-powered products. I’m proficient with Python, SQL, PyTorch, TensorFlow, Hugging Face, OpenAI APIs, LangChain, and a broad MLOps toolkit. I enjoy optimizing models for performance and cost, crafting maintainable code, and exploring new AI methods to solve real-world problems in healthcare, manufacturing, and data engineering.

Available to hire

Hello! I’m R. Raju, an AI/ML engineer with 8+ years of experience designing, building, and deploying machine learning models, generative AI applications, and scalable data pipelines. I thrive on turning complex data into practical, high-impact solutions and love collaborating with cross-functional teams to ship robust AI-powered products.

I’m proficient with Python, SQL, PyTorch, TensorFlow, Hugging Face, OpenAI APIs, LangChain, and a broad MLOps toolkit. I enjoy optimizing models for performance and cost, crafting maintainable code, and exploring new AI methods to solve real-world problems in healthcare, manufacturing, and data engineering.

Skills

Experience Level

Expert

Expert

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Language

English

Fluent

Work Experience

AI/ML Engineer at OSF Healthcare

January 1, 2026 - Present

Designed, developed, and deployed AI/ML models and pipelines for clinical predictive analytics and anomaly detection; built generative AI applications using LangChain and OpenAI APIs; fine-tuned LLMs using LoRA, QLoRA, and PEFT; developed multi-step clinical workflows with agent-based frameworks; wrote Python code for data ingestion, feature engineering, embeddings, and inference; built MLOps pipelines with MLflow and Kubeflow; created scalable data pipelines with PySpark and Spark SQL; built data lakes on AWS S3 and Delta Lake; developed REST APIs with FastAPI/Flask; implemented real-time streaming with Kafka and Spark Streaming; automated batch workflows with Airflow and AWS Glue; collaborated with Data Engineers, Analysts, and stakeholders in Agile/Scrum; implemented Redis caching and ELK observability.

ML Engineer at Cummins

December 1, 2024 - December 1, 2025

Designed, developed, and deployed ML models for manufacturing forecasting and anomaly detection; built NLP and generative AI capabilities using Hugging Face Transformers and LangChain; embeddings generation and RAG-based retrieval using Chroma and FAISS; fine-tuned models with LoRA and PEFT to customize for operational datasets; developed and operationalized ML Ops pipelines with MLflow and DVC; optimized vector store performance; performed hyperparameter tuning and model evaluation with metrics; implemented model monitoring and drift detection; deployed REST APIs using FastAPI/Flask; dashboards created in Power BI; built real-time and batch data processing pipelines with Kafka, Spark Streaming, Azure Data Factory, and Databricks; containerized applications with Docker; Redis for feature caching.

Data Engineer/Python Developer at Cybage Software Pvt. Ltd.

September 1, 2020 - August 1, 2023

Designed, developed scalable Python applications and data processing modules; built ETL pipelines using PySpark, Hive, and Hadoop for analytics; developed REST APIs with FastAPI/Flask; wrote PyTest-based tests; built batch and streaming data ingestion with Sqoop, HDFS, Kafka; integrated relational and NoSQL databases (PostgreSQL, MongoDB) and used Redis for caching; optimized Spark SQL and Hive queries; designed dimensional data models with slowly changing dimensions (SCD Type 1/2) and temporal mappings; built scalable data lake solutions on AWS S3 and EMR; containerized applications with Docker; participated in Agile/Scrum processes.

Associate Data Engineer at Grapesoft Solutions, Hyderabad, India

January 1, 2017 - August 31, 2020

Developed ETL workflows using SSIS and SQL Server; wrote complex SQL queries and stored procedures for data processing. Built REST APIs with FastAPI/Flask, performed data cleansing and transformation with Python, and implemented batch and streaming data ingestion using PySpark, Kafka, and HDFS. Designed dimensional data models with SCDs, built dashboards in Tableau, and collaborated in Agile teams. Containerized applications with Docker and supported CI/CD with Git.

Associate Data Engineer at Grapesoft Solutions

January 1, 2017 - August 1, 2020

Developed scalable Python applications, backend services, and data processing modules; built ETL pipelines and batch/streaming workflows; integrated relational and NoSQL databases; implemented caching and data ingestion automation; contributed to data modeling and reporting solutions; collaborated with cross-functional teams in an Agile environment.