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Senior, AI & Data Science

Welcome to the Jungle
Location
Montréal, Quebec, Canada
Posted
1 month ago
Department
Data Science
What they actually want (must-haves)
  • 3–5 years of relevant data science experience with a substantial quantitative skill set
  • Strong knowledge of statistics and ML algorithms, with at least one proven experience developing and deploying models
  • Proficiency in Python (scikit-learn, XGBoost; PyTorch a strong plus) and solid SQL
  • Hands-on experience with LLMs: evaluation, RAG, or fine-tuning experiments
  • Specialization in at least one major AI platform ecosystem — Google (Gemini, Vertex AI), Anthropic (Claude), or OpenAI — and familiarity with a cloud platform (GCP, Azure, or AWS)
  • Comfort with AI-assisted development tools such as Claude Code, Gemini CLI, or Cursor
Nice to have
  • Causal inference, time series, or advanced statistics experience
  • Hugging Face Transformers, LoRA/PEFT, or open-weight model experience
  • MLOps exposure: model versioning, pipelines, monitoring
  • Cloud certifications, especially Google Cloud Professional Machine Learning Engineer
What the job really is

As a Senior AI & Data Scientist at Artefact, you will own the end-to-end process of model development, from problem framing to production deployment. Your responsibilities will include developing statistical and machine learning models, running experiments, building data pipelines, and presenting findings to clients. Additionally, you will mentor junior data scientists and contribute to the overall growth of the team.

Benefits
  • Learning and Development: Work alongside a multidisciplinary team of AI, data, and consulting experts who are committed to continuous learning, knowledge sharing, and professional growth
  • Hybrid Flexibility: Our hybrid work model gives you the flexibility to balance collaboration, client needs, and personal commitments
  • Comprehensive Benefits: We offer a competitive benefits package that includes medical, dental, and vision coverage, a 401(k) plan with company matching, and paid parental leave
  • Time to Recharge: We offer unlimited paid time off, giving you the flexibility to take the time you need
  • Growth Opportunities: You'll have the opportunity to expand your skills, take on new challenges, and help shape the future of the company
Things to weigh
  • No salary listed
  • The role involves mentoring junior scientists, which may require additional interpersonal skills
  • The position requires a strong quantitative skill set, which may be challenging for candidates without a solid background in statistics or machine learning
Job score3.4/5
Benefits3/5
Freshness4/5
Career value5/5
Role clarity5/5
Pay transparency0/5

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