Data Scientist – Marketing Mix Modeling (MMM) | Hybrid

pluscompany; Toronto; Hybrid; CAD 90,000 - 110,000; Full time

Benefits offered by this job

Hybrid work models

Flexible hours

Generous vacation (3 weeks + 1)

Job summary

Cossette Media in Canada seeks an experienced data analytics professional to lead Marketing Mix Modeling, predictive analytics, and performance measurement. You will bridge advanced econometrics with client delivery, partnering with Measurement Directors, Insights Analysts, and Data Architects.

You will serve as the technical engine of our Measurement practice, shaping dashboards and reports for business growth while collaborating across cross-functional teams in a dynamic agency environment.

Qualifications

• 3+ years experience in Data Science, Econometrics, or Quantitative Marketing Analytics.
• Proven track record in Marketing Mix Modeling.
• Knowledge of the Google suite such as NotebookLM, Looker, BigQuery, and Workspace.
• Ability to articulate complex statistical methodologies clearly.
• Natural problem-solving and comfort in a fast-paced environment.
• Demonstrated skills in communication, prompting, and programming.
• Experience in media agencies, martech consulting, or enterprise client analytics.
• Bilingualism (English/French) is an asset for Montreal-based candidates.

Responsibilities

• Act as the primary technical voice in client-facing presentations explaining complex econometric concepts, model outputs, and optimization recommendations.
• Serve as the core technical contact with our MMM model supplier, driving implementation, calibration, and intelligence using our predictive tool AIOS.
• Run and refine custom traditional Marketing Mix Models utilizing our Arima partner tool.
• Evaluate and optimize parameters including paid, owned, 3rd party medias and macro factors.
• Partner with Account Directors to translate client business questions into analytical frameworks, dashboards and reports.
• Collaborate with Data Architects to validate input data quality, harmonized data collection and cross-channel normalizations.
• Work with Project Managers to ensure timely ingestion, calibration, and report generation.

Skills

Data Science

Econometrics

Marketing Analytics

Communication

Programming

Bilingual English/French

Education

Bachelor’s or higher in Econometrics, Statistics, Data or Computer Science

Tools

Google Suite (NotebookLM, Looker, BigQuery, Workspace)

Job description

Cossette Media in Canada seeks an experienced data analytics professional to lead Marketing Mix Modeling, predictive analytics, and performance measurement. You will bridge advanced econometrics with client delivery, partnering with Measurement Directors, Insights Analysts, and Data Architects.

You will serve as the technical engine of our Measurement practice, shaping dashboards and reports for business growth while collaborating across cross-functional teams in a dynamic agency environment.