Sr. Data Scientist
| Company | Rakuten |
|---|---|
| Location | Toronto, ON, Canada |
| Salary | $Not Provided – $Not Provided |
| Type | Full-Time |
| Degrees | |
| Experience Level | Senior |
Requirements
- Very strong SQL skills
- Experience with big data and machine learning frameworks. Python/sklearn/pytorch strongly preferred.
- Practical experience with multiple ML problem types (supervised/unsupervised, classification/regression, RL experience is a plus)
- Strong software development skills
- Strong problem solving, communication and collaboration skills
- Firm understanding of statistics and A/B test fundamentals
- Experience with NLP techniques is a plus
- Deep learning/NN experience is a plus
Responsibilities
- Collaborate with manager and stakeholders to specify business problems with precision
- Support the translation of business problems into machine learning problems, including ML problem formulation and evaluation metric specification.
- Perform exploratory data analyses to characterize utility of existing data and to identify needs for new data
- Develop data pipelines for feature computation, model training, inference and evaluation
- Design and execute offline experiments and simulations
- Lead model deployment, business integration and online performance assessment
- Maintain technical documentation, develop/present demos and presentations
- Support management in project planning and status reporting
Preferred Qualifications
- 3+ years industry experience applying machine learning methods to solve real-world problems
- Bachelor’s degree in AI/ML, computational mathematics, computer science, statistics, physics or related field. Master’s degree strongly preferred.
- Experience in ad-tech and/or consumer services is a plus