Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m a data scientist who loves turning complex data into clear, actionable insights and building scalable analytics solutions. My work spans finance, government, and tech, where I’ve delivered end‑to‑end data pipelines, forecasting models, and AI-powered decision support. I enjoy collaborating with cross‑functional teams to drive business impact and continuously learn new methods. Currently, I contribute at TD Securities, building real‑time analytics and ML-powered insights, while also engaging in RAG/LLM initiatives and OCR/text extraction projects. I’ve led diverse initiatives from data ingestion to dashboards and predictive analytics, with experience across on‑prem and cloud environments.…I’m a data scientist who loves turning complex data into clear, actionable insights and building scalable analytics solutions. My work spans finance, government, and tech, where I’ve delivered end‑to‑end data pipelines, forecasting models, and AI-powered decision support. I enjoy collaborating with cross‑functional teams to drive business impact and continuously learn new methods. Currently, I contribute at TD Securities, building real‑time analytics and ML-powered insights, while also engaging in RAG/LLM initiatives and OCR/text extraction projects. I’ve led diverse initiatives from data ingestion to dashboards and predictive analytics, with experience across on‑prem and cloud environments.

Harbhajan Singh

Data Scientist, AI Developer, Data Analyst, +2





I’m a data scientist who loves turning complex data into clear, actionable insights and building scalable analytics solutions. My work spans finance, government, and tech, where I’ve delivered end‑to‑end data pipelines, forecasting models, and AI-powered decision support. I enjoy collaborating with cross‑functional teams to drive business impact and continuously learn new methods. Currently, I contribute at TD Securities, building real‑time analytics and ML-powered insights, while also engaging in RAG/LLM initiatives and OCR/text extraction projects. I’ve led diverse initiatives from data ingestion to dashboards and predictive analytics, with experience across on‑prem and cloud environments.…I’m a data scientist who loves turning complex data into clear, actionable insights and building scalable analytics solutions. My work spans finance, government, and tech, where I’ve delivered end‑to‑end data pipelines, forecasting models, and AI-powered decision support. I enjoy collaborating with cross‑functional teams to drive business impact and continuously learn new methods. Currently, I contribute at TD Securities, building real‑time analytics and ML-powered insights, while also engaging in RAG/LLM initiatives and OCR/text extraction projects. I’ve led diverse initiatives from data ingestion to dashboards and predictive analytics, with experience across on‑prem and cloud environments.

Available to hire

I’m a data scientist who loves turning complex data into clear, actionable insights and building scalable analytics solutions. My work spans finance, government, and tech, where I’ve delivered end‑to‑end data pipelines, forecasting models, and AI-powered decision support. I enjoy collaborating with cross‑functional teams to drive business impact and continuously learn new methods.

Currently, I contribute at TD Securities, building real‑time analytics and ML-powered insights, while also engaging in RAG/LLM initiatives and OCR/text extraction projects. I’ve led diverse initiatives from data ingestion to dashboards and predictive analytics, with experience across on‑prem and cloud environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Data Scientist (Senior Analyst) at TD Securities Inc.

October 1, 2024 - Present

Built a PowerApps-based real-time pipeline monitoring application, delivering $700K in overall cost savings and improved visibility into deal activities. Designed end-to-end data pipelines for ingestion, transformation, and validation to support scalable analytics. Created interactive dashboards and KPI visualizations for real-time business insights. Developed forecasting models, predictive analytics, and sentiment analysis solutions to inform decision‑making across origination teams.

Artificial Intelligence Developer Intern at Agriculture and Agri-Food Canada - Government of Canada

January 1, 2024 - April 1, 2024

Contributed to a RAG-based AgPal chatbot, automating test scripts with Azure OpenAI services (Prompt Flow, Semantic Kernel, LangChain). Evaluated LLM responses against GroundTruth and Groundedness scores. Implemented deduplication tool improvements, and led data collection for arthropod detection. Created a dashboard to monitor project status and boosted team productivity by 30%.

Data Scientist (Part-Time) at Voiceflip Technologies Inc.

September 1, 2023 - October 1, 2024

Led end-to-end development of a Retrieval-Augmented Generation (RAG) product using OCR to extract text from PDFs (including scanned documents). Applied BERT-based data correction to fix spelling errors and stored results in a database. Built a Streamlit UI integrating LLMs (e.g., GPT-3.5-turbo) to answer user queries based on a connected knowledge base.

Data Analyst at TATA CONSULTANCY SERVICES

May 1, 2021 - November 1, 2022

Collaborated with stakeholders to deploy data-driven solutions using Python, SQL, and BI tools. Designed metadata pipelines for data lakes and warehousing, enabling scalable predictive modeling. Led value‑added projects including a rule-based chatbot, and delivered 50+ dashboards. Performed EDA, feature engineering, model training/evaluation, time-series forecasting, and produced AI/ML reports that reduced manual effort by 85%. Improved data processing and modeling workflows for 90% efficiency gains.

Machine Learning Engineer at ARTIFUTECH PVT. LTD.

February 1, 2021 - May 1, 2021

Developed computer vision algorithms for image processing and anomaly detection. Built a Face AI app predicting attributes like wrinkles and skin features, achieving 93.5% accuracy. Deployed 7 web-based AI/ML applications on Heroku using CI/CD. Led end-to-end deployment of models on Azure and Google Cloud, and maintained ML pipelines for CV tasks.

Data Engineer at TECHNODATA ANALYTICS SERVICES

May 1, 2020 - January 1, 2021

Produced reports using SQL Server, MySQL, Talend ETL, and PySpark; created dashboards for healthcare/manufacturing clients. Contributed to two value-added projects (customer retention program in e-commerce and a web-based duplicate checker). Used ML/statistical techniques to improve model performance and deployed MLFlow for model serving/monitoring in Databricks.

Junior Data Scientist at CADENTURE INDIA PRIVATE LIMITED

May 1, 2019 - May 1, 2020

Implemented traditional ML algorithms (Random Forest, SVM, KNN) for image classification and built a CV pipeline with OpenCV/TensorFlow for real-time object detection. Contributed to feature engineering and model evaluation for maintenance applications; aided in cross-functional collaboration and data visualization.

Data Scientist Trainee at CADENTURE INDIA PRIVATE LIMITED

May 1, 2018 - May 1, 2019

Developed ML models using Python and scikit-learn; improved predictive churn analytics. Created data preprocessing workflows with SQL/Pandas and built interactive visualizations in Tableau to communicate insights.