Senior Machine Learning Scientist

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
Remote
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Data & Analytics
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Python Large Language Models (LLMs) Experimental Design Statistical Methods A/B Testing Prompt Engineering Machine Learning Product Metrics

FULL DESCRIPTION

Senior Machine Learning Scientist

[Employer hidden — sign up to reveal] | Remote - Canada | Full-time

About the Role

As a Senior ML Scientist at [Employer hidden — sign up to reveal], you will own the quality and reliability of the AI features that power our AI Agent platform for customer support. You will partner with Product Managers, Engineers, and Designers to frame problems, design experiments, and make evidence-based decisions that improve outcomes for customers and end users.

About You

  • 5+ years of industry experience as a Data Scientist, Machine Learning Engineer, or similar with shipped work that moved product metrics
  • Deep experience applying large language models to customer problems
  • Excellent communicator, able to explain experimental results and complex ML concepts to diverse audiences
  • You design reliable experiments and datasets that translate to production impact
  • Strong software skills in Python, writing clean, production-ready code and documents

Outcomes

  • Run rapid, reliable experiments with sound statistical methods, reproducible pipelines, and clear readouts that drive product decisions
  • Lead design choices across model selection, retrieval and grounding, prompting, and tool use, framing tradeoffs in quality, safety, cost, and latency
  • Reduce critical AI failure modes, for example hallucinations and prompt injection, through targeted testing and red teaming
  • Partner with PM, Engineering, and Design to prioritize customer use cases and failure modes, turning insights into changes that improve automated resolutions, CSAT, cost per conversation, and latency
  • Coach and mentor peers in the Product Development org in AI feature design, experimentation, and measurement

Benefits & Perks

At [Employer hidden — sign up to reveal], we offer unlimited vacation, comprehensive benefits, wellness account, flexible work schedule, remote-first culture, learning budget, and access to cutting-edge AI tools. Only applicable to full-time permanent employees.

About [Employer hidden — sign up to reveal]

[Employer hidden — sign up to reveal] is an AI customer service company established in 2016, powering over 5.5 billion interactions for brands like Square, YETI, IPSY, and Monday.com. Backed by tier-one investors including Accel, Bessemer, FirstMark, Spark, and Version One Ventures.

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