CJ is looking to solve the problem of driving advertising program growth across e-commerce, travel, and finance verticals by supporting and leading advanced analysis projects for individual clients and internal collaborators within the Data Science organization.
Requirements
- 3-5 years of professional experience in Data Science and Analytics.
- 2+ years of hands-on experience with PySpark, Scala, and Tableau.
- Must have Ad Tech / MarTech industry experience, specifically in e-commerce, travel, and finance.
- Proficiency with GitLab or GitHub for version control and collaborative development.
- Experience developing alongside LLM code assistants (e.g., Copilot, Claude, Codex).
- Preferred: Experience implementing LLMs into business workflows, including training, fine-tuning, and manipulation for applied use cases.
- Experience with incrementality testing, MMM, and lift test design and analysis.
Responsibilities
- Lead and support advanced client-facing data science and analytics projects, including forecasting, incrementality measurement, and program optimization.
- Take ownership of project scoping, data querying and modeling, quality checks, and delivery of actionable insights.
- Analyze large-scale e-commerce and advertising datasets, demonstrating statistical and ML methods to uncover opportunities and support growth strategies.
- Design and interpret incrementality tests, marketing mix models (MMM), and lift tests to assess causal impact and optimize marketing spend.
- Build machine learning models, such as forecasting and inferential analysis, and implement solutions about LLM when relevant.
- Create and deliver Tableau dashboards and reporting that distill complex analysis into clear, actionable insights for both internal and external stakeholders.
- Collaborate with account teams, engineers, and other data scientists to design and implement scalable data solutions.
Other
- 3-5 years of professional experience in Data Science and Analytics.
- Strong client-facing experience, including presentations and solution delivery.
- Proven ability to deliver scalable data solutions and actionable insights in digital advertising or affiliate marketing.
- Strong communication skills with the ability to simplify and explain complex technical results to non-technical collaborators.
- Hybrid role requiring 3 days a week in office.
