Principal Machine Learning Engineer, Ad Performance

Launch Potato; Montreal; Hybrid; CAD 120,000 - 150,000; Full time

Job summary

A leading tech company is seeking an experienced leader in machine learning to define their personalization strategy. The ideal candidate will have over 10 years of experience in building and deploying ML systems, with a strong focus on personalization. This role involves solving complex technical challenges and leading cross-functional initiatives that drive business impact. Join a remote-first team dedicated to innovative solutions in ML.

Qualifications

• 10+ years of experience in designing and deploying large-scale machine learning systems.
• Mastery in multiple ML domains including personalization and recommender systems.
• Proven success with architectural leadership in large-scale ML platforms.

Responsibilities

• Establish the company's personalization technical vision and strategy.
• Solve complex ML challenges and influence architecture across teams.
• Lead cross-functional initiatives impacting business KPIs.

Skills

Large-scale personalization

Machine learning

Deep learning

Causal inference

Graph-based models

Job description

Overview

As The Discovery and Conversion Company, our mission is to connect consumers with the world’s leading brands through data-driven content and technology.

Headquartered in South Florida with a remote-first team spanning over 15 countries, we’ve built a high-growth, high-performance culture where speed, ownership, and measurable impact drive success.

WHY JOIN US?

At Launch Potato, you’ll accelerate your career by owning outcomes, moving fast, and driving impact with a global team of high-performers.

Must Have

• Expertise building ML systems with deep expertise in large-scale personalization
• Recognized industry expertise through patents, publications, or significant product impact
• Proven success architecting ML platforms serving billions of predictions in production
• Demonstrated track record of 0→1 innovation in personalization or recommender systems
• Mastery across multiple ML domains including deep learning, causal inference, multi-armed bandits, and graph-based models

Experience

10+ years designing, developing, and deploying large-scale machine learning systems with a focus on personalization

Your Role

Establish the technical vision for personalization at Launch Potato, solving the company’s most complex ML challenges and influencing strategy, architecture, and innovation across teams.

Outcomes

• Define company-wide personalization strategy and architecture, driving alignment across all ML teams
• Solve critical technical challenges such as cold start, real-time learning, and exploration/exploitation tradeoffs
• Design and implement advanced ML solutions using cutting-edge techniques (e.g., graph neural networks, causal models, bandit algorithms)
• Create and enforce ML architecture patterns, design standards, and reusable infrastructure across teams
• Lead multi-quarter, cross-functional initiatives that redefine how personalization impacts business KPIs
• Act as technical mentor to senior ML engineers, guiding complex decision-making and scaling team capability
• Represent Launch Potato’s technical brand externally through speaking engagements, open source contributions, or publications
• Champion privacy-preserving personalization, responsible AI practices, and adaptive learning systems

Competencies

• Visionary Thinking: Defines the future state of ML infrastructure and personalization strategy. Balances deep technical rigor with a strong understanding of product impact.
• Architectural Excellence: Designs scalable, modular systems that support billions of predictions and enable rapid experimentation. Sets high standards for maintainability and performance.
• Technical Influence: Drives decision-making and builds consensus across teams and stakeholders without direct authority. Provides trusted guidance in ambiguous situations.
• Expert-Level Execution: Navigates deep technical complexity while maintaining execution velocity. Translates research insights into production-ready solutions.
• Mentorship & Leadership: Coaches senior engineers, facilitates technical reviews, and raises the technical bar for the entire organization.
• External Thought Leadership: Represents LP in the ML community and contributes to growing its reputation as a leader in ML innovation.
• Curious & Forward-Looking: Constantly explores new approaches to personalization and actively prototypes cutting-edge methodologies.

Note: We are committed to an inclusive, diverse team and culture. We are an Equal Employment Opportunity company and value diversity, equity, and inclusion.