Rohan Raj Aggarwal
Founder @ FlashQuery | 4× AWS | 2× Google | 2× Microsoft | RAG LLMs | Multi-Agent AI | LLM Eval | RAG Optimization | LoRA/RLHF | AI Orchestration | LangChain | MLOps | Cloud & AI Innovator
- Role
- Ai Engineer at Northstar Technology Services
- Location
- Chicago, IL, US
- LinkedIn followers
- 500 followers
About Rohan Raj Aggarwal
Agentic AI & LLM Orchestration: building multi-agent workflows (planning, memory…
Experience
Ai Engineer
Jan 2024 — Present · US
Integrated an NLP chatbot for interactive patient and doctor communication. Developed using Python and NLP libraries to handle medical queries. Connected chatbot to backend models for real-time disease predictions.• Deployed scalable REST APIs using AWS Lambda and Fargate for real-time disease prediction. Designed serverless and container-based microservices for efficiency. Ensured scalability, low latency, and cost-effective deployment.• Developed disease detection models using ML/DL (Random Forest, XGBoost, CNN, LSTM) with SHAP-based interpretability. Trained on structured datasets and medical images for accurate predictions. Used SHAP to generate transparent, feature-level explanations.• Visualized insights through Tableau dashboards and Matplotlib charts to support clinical decision-making. Created interactive visual reports for stakeholders and end users. Highlighted trends, predictions, and model performance clearly.
Education
DePaul University
Master's degree, Computer Science
JECRC University
Bachelor of Technology (Computer Science and Engineering), Computer Programming/Programmer, General
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