Data Science Developer- intermediate

Arthur Grand Technologies is currently seeking a highly motivated and skilled RQ Data Science Developer – Intermediate for one of our clients.

Job Title: RQ Data Science Developer - Intermediate

Location: Toronto, ON (4 days Onsite)

Duration: Long Term Contract

Must Have:

• 2–5 years of professional experience in data science, data analytics, or a related quantitativefield (e.g., data engineering, machine learning, or business intelligence) or equivalent.
• Proven experience in data analysis, visualization, and statistical modeling for real-world business or research problems.
• Demonstrated ability to clean, transform, and manage large datasets using Python, R, or SQL.

Programming & Data Handling

• Python (pandas, NumPy, scikit-learn, statsmodels, matplotlib, seaborn)
• SQL (complex queries, joins, aggregations, optimization)
• Data preprocessing (feature engineering, missing data handling, outlier detection)

Experience working with big data frameworks such as Apache Spark and Hadoop for large-scale data processing.

Experience and Skill Set Requirements

Experience - 40 %

• 2–5 years of professional experience in data science, data analytics, or a related quantitative field (e.g., data engineering, machine learning, or business intelligence) or equivalent.
• Proven experience in data analysis, visualization, and statistical modeling for real-world business or research problems.
• Demonstrated ability to clean, transform, and manage large datasets using Python, R, or SQL.
• Hands-on experience building and deploying predictive models or machine learning solutions in production or business environments.
• Experience with data storytelling and communicating analytical insights to non-technical stakeholders.
• Exposure to cloud environments (AWS, Azure, or GCP) and version control tools (e.g., Git).
• Experience working in collaborative, cross-functional teams, ideally within Agile or iterative project structures.
• Knowledge of ETL pipelines, APIs, or automated data workflows is an asset.
• Previous work with dashboarding tools (Power BI, Tableau, or Looker) is preferred.

Technical Skills - 35%

Programming & Data Handling

• Python (pandas, NumPy, scikit-learn, statsmodels, matplotlib, seaborn)
• SQL (complex queries, joins, aggregations, optimization)
• Data preprocessing (feature engineering, missing data handling, outlier detection)

Machine Learning & Statistical Modeling

• Proficiency in supervised and unsupervised learning techniques (regression, classification, clustering, dimensionality reduction)
• Understanding of model evaluation metrics and validation techniques (cross-validation, A/B testing, ROC-AUC, confusion matrix)
• Basic understanding of deep learning frameworks (TensorFlow, PyTorch, or Keras) is a plus

Data Visualization & Reporting

• Expertise with visualization libraries (matplotlib, seaborn, plotly, or equivalent)
• Experience building interactive dashboards (Tableau, Power BI, Dash, or Streamlit)
• Ability to design clear, impactful data narratives and reports

Data Infrastructure & Tools

• Experience with cloud-based data services (e.g., AWS S3, Redshift, Azure Data Lake, GCP BigQuery)
• Experience working with big data frameworks such as Apache Spark and Hadoop for large-scale data processing.
• Familiarity with data pipeline and workflow tools
• Experience with API integration and data automation scripts (Selenium, Python, etc)
• Solid grounding in probability, statistics, and linear algebra
• Understanding of hypothesis testing, confidence intervals, and sampling methods

Soft Skills- 20%

• Strong communication skills; both written and verbal
• Ability to develop and present new ideas and conceptualize new approaches and solutions
• Excellent interpersonal relations and demonstrated ability to work with others effectively in teams
• Demonstrated ability to work with functional and technical teams Demonstrated ability to participate in a large team and work closely with other individual team members
• Proven analytical skills and systematic problem solving
• Strong ability to work under pressure, work with aggressive timelines, and be adaptive to change
• Displays problem-solving and analytical skills, using them to resolve technical problems

Public sector Experience- 5%

OPS(or other government) standards and processes.

About Arthur Grand Technologies:

Arthur Grand Technologies is a leading provider of staffing and technology consulting services. Our company is managed by a team of professionals who have worked for big 5 consulting firms for 20+ years. We are a minority-owned staff augmentation and technology consulting company.

At Arthur Grand Technologies, we value our employees & contractors and strive to provide them with challenging, interesting work, market-relevant benefits, and opportunities for professional growth. If you have the necessary qualifications, and are excited to join a dynamic team, please send your resume to for immediate consideration.

Thank you for considering Arthur Grand Technologies. We look forward to hearing from you soon.

Best regards,

Riyazudeen

Arthur Grand Technologies Inc

Arthur Grand Technologies is an Equal Opportunity Employer (including disability/vets)

Job Type: Fixed term contract