Muthukumar Rajendran
Senior AI/ML Engineer @ RBC
About
Muthukumar is an accomplished AI/ML engineer and a Data Scientist with over 10+ years of professional experience, currently specializing in end-to-end AI/ML solutions. His expertise spans the complete data science lifecycle, including data exploration, model development, deployment, and production-grade implementation. At Chubb, he has significantly contributed to developing and deploying cutting-edge models leveraging Large Language Models (LLMs), transformer architectures, and Retrieval-Augmented Generation (RAG) techniques.With a robust technical foundation in Artificial Intelligence, Machine Learning, Deep Learning, Natural Language Processing (NLP), and Python programming, Muthukumar also excels in writing scalable, production-ready code and developing insightful dashboards to visualize complex analytics for business stakeholders.Holding a Master's degree in Computer Science, Muthukumar has authored innovative research in NLP and deep learning. Passionate about continuous learning, he actively pursues certifications and remains current with advancements in Big Data, NLP frameworks, and machine learning technologies.
Canada
Toronto
Computer Software
Statistical Modeling, Data Modeling, Data Science, Clinical Research, Legal Research, Large Language Models (LLM), Mentoring, MLflow, AutoML, VLLMs, Knowledge Graphs, Distributed Training, Agentic AI, LLM Engineering, Kubernetes, Prompt Engineering, Retrieval-Augmented Generation (RAG), Prompt optimization, Microsoft Azure Machine Learning, Python (Programming Language)
Experience

Senior AI/ML Engineer
Toronto, Ontario, Canada
• Led the development of agentic AI solutions focused on risk, compliance, and regulatory frameworks. • Conducted research on fine-tuning large language models to enhance machine learning capabilities. • Collaborated with cross-functional teams to ensure alignment with regulatory standards and business objectives.

Machine Learning Engineer
Toronto, ON
- Architected an automated ML engineering platform using GPT models for code generation, testing, and optimization - cutting deployment time by 40%. - Developed a hybrid product recommendation system (Graph Neural Network + LLAMA 3.3, fine-tuned with LoRA) achieving 92% accuracy and real-time inference for sales enablement. - Built Critical Risk Factors Q&A multi agentic system using LangGraph; delivered 84% accuracy and real-time interpretability for underwriter queries. -Engineered a web intelligence framework (LLAMA 3.3 + BERT) improving entity resolution accuracy by 9% over vendor baselines and consolidating multiple APIs into a unified endpoint. - Developed and containerized NLP pipelines for business website optimization, achieving 92% precision and reducing manual review costs by half. - Deployed ML solutions on Azure ML + Docker + FastAPI, ensuring scalability, observability, and CI/CD integration for enterprise adoption.

Data Scientist
Toronto, ON
- Led design of data-driven risk analytics solutions, integrating predictive modeling and LLMs to enhance underwriting intelligence and reduce operational latency by over 50%. - Built industry-specific clustering and knowledge-graph frameworks for entity relationship analysis and risk factor detection, improving model accuracy to 89%+. - Created intelligent feature engineering libraries in Python, accelerating data preprocessing and boosting model reproducibility across multiple risk domains. - Delivered interactive analytics dashboards (Plotly/Dash/Streamlit) enabling underwriters and business leaders to visualize insights and identify emerging risk trends. - Designed experimentation pipelines for model evaluation and drift monitoring to ensure compliance and interpretability in high-impact financial decisions. - Collaborated cross-functionally with product and underwriting teams to transform analytical findings into deployable, business-ready insights. - Mentored junior data scientists on advanced modeling (graph analytics, NLP, and unsupervised learning) and best practices in ML experimentation.

Applied Research Scientist
Halifax, NS
- Researched semantic text similarity using deep learning with a cross-functional team. - Analyzed Canadian mental health trends during 2021 using language models. - Developed a novel interactive topic model using DistilBERT and HDBSCAN. - Developed a high-recall RoBERTa model for classifying imbalanced datasets.

Data Scientist
Chennai, Tamil Nadu, India
- Built and deployed scalable ML models in production, including hybrid recommendation systems, sales forecasting, and pricing optimization pipelines. - Developed time-series and regression models (linear/logistic) for sales prediction and business insights. Designed ML-driven pricing strategies and created interactive dashboards for business and product analytics. - Designed and built knowledge graph–based systems to capture entity relationships and enhance downstream analytics and recommendations. - Developed and deployed transformer-based NLP models for text classification, semantic search, and content understanding in production environments.
Muthukumar Rajendran's Contact Information
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