Senior Data Scientist — Conversational Search & RAG

PowerToFly; Remote; CAD 128,000 - 203,000; Full time

Job summary

A leading technology firm in Canada is seeking a Senior Data Scientist to enhance conversational search capabilities. The role involves designing evaluation pipelines and collaborating with cross-functional teams. The ideal candidate has 5-8 years of experience in data science, proficient in Python and machine learning frameworks, and must contribute to product decisions based on analytical results. This position offers competitive compensation and a flexible work environment.

Benefits

Competitive pay based on role

Health coverage for you and your family

Flexible locations and schedules

Generous number of vacation days

Parental leave of 16 weeks

401(k) / Retirement Plan

Qualifications

• 5–8 years in applied Data Science/Machine Learning with strong IR/NLP experience.
• Experience in designing evaluation pipelines for conversational search.
• Strong written communication and low-ego collaboration.

Responsibilities

• Design and maintain evaluation pipelines for conversational search.
• Build and compare retrieval & re-ranking baselines.
• Use results to drive product decisions with clear metrics.
• Instrument dashboards and telemetry for performance visibility.
• Collaborate closely with backend engineers and product teams.
• Share outcomes clearly and mentor peers in experiment design.

Skills

Applied Data Science/Machine Learning

Information Retrieval/Natural Language Processing

Proficiency in Python

Hands-on evaluation expertise

Practical Elasticsearch experience

Tools

PyTorch

Pandas

MLflow

Job description

A leading technology firm in Canada is seeking a Senior Data Scientist to enhance conversational search capabilities. The role involves designing evaluation pipelines and collaborating with cross-functional teams. The ideal candidate has 5-8 years of experience in data science, proficient in Python and machine learning frameworks, and must contribute to product decisions based on analytical results. This position offers competitive compensation and a flexible work environment.