Data Scientist

Role: Data Scientist

Location: Mississauga, ON

Employment type: Fulltime Permanent

Experience Required:

5-7 Years

Role Overview:

We are seeking a highly skilled and experienced Data Scientistto design, build, and deploy scalable machine learning solutions. The ideal candidate will have strong expertise in Python, advanced SQL, and a deep understanding of statistical modeling and machine learning techniques, with proven experience delivering end-to-end data science solutions.

Key Responsibilities:

• Lead end-to-end model development: from problem definition to production deployment
• Develop, validate, and optimize machine learning models for business use cases
• Perform data analysis, feature engineering, and model evaluation
• Design and execute A/B tests and experiments
• Collaborate with cross-functional teams to translate business requirements into data science solutions
• Ensure model performance, scalability, and reliability in production environments
• Optimize data workflows and improve query performance

Required Skills:

• Programming & Data Science
• Expert-level proficiency in Python
• Strong experience with:
• Pandas, NumPy, SciPy
• Scikit-learn, Statsmodels
• Matplotlib, Seaborn
• XGBoost, LightGBM
• TensorFlow and/or PyTorch
• SQL & Data Engineering

Advanced SQL expertise including:

• Complex joins, CTEs, and window functions
• Query optimization and performance tuning
• Experience in data modeling and schema design
• Core Data Science Knowledge

Strong understanding of:

• Statistics and hypothesis testing
• Machine Learning & Predictive Modeling
• Feature Engineering
• Model Validation & Performance Optimization
• Experimental Design and A/B Testing
• Preferred / Nice-to-Have Skills

Experience in:

• Natural Language Processing (NLP)
• Time Series Forecasting
• Recommendation Systems

Exposure to:

• Generative AI / LLM applications
• MLOps and model deployment frameworks
• Visualization tools:
• Power BI or Tableau
• Cloud platforms:
• Azure ML, AWS SageMaker, or GCP Vertex AI