Senior Machine Learning Engineer, Ranking
Quick Summary
At least 3 years of professional experience developing recommendation systems or ranking models. Strong understanding of the mathematical foundations underlying machine learning algorithms.
We are seeking an experienced Machine Learning Engineer to advance recommendation and ranking systems that help users discover relevant content across a large-scale knowledge-sharing platform. In this remote role, you will take ownership of high-impact ranking models powering personalized feeds and digest emails. You will work across the full machine learning lifecycle, from data pipelines and feature engineering to model training and production deployment. Collaborating with a talented, distributed engineering team, you will experiment with modern machine learning techniques and develop methodologies that can support future product innovations. The environment values autonomy, continuous learning, technical excellence, and thoughtful experimentation. This is an opportunity to make a meaningful impact on how millions of users discover information and connect with knowledge.
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Improve and evolve existing machine learning ranking models by applying strong software engineering skills and advanced machine learning techniques.
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Take end-to-end ownership of machine learning systems, including data pipelines, candidate extraction, feature engineering, model training, evaluation, and integration into production environments.
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Advance second-stage ranking models that power personalized feeds and digest emails, improving the relevance and quality of content recommendations.
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Identify opportunities to apply machine learning across different product experiences and develop solutions that improve content discovery and user engagement.
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Collaborate with other machine learning engineers to design, implement, and optimize algorithms and systems efficiently.
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Develop reusable methodologies, technical approaches, and engineering practices that enable other developers to build on top of existing ranking systems.
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Experiment with new modeling techniques, evaluate results, and continuously improve system performance and reliability.
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Contribute to a collaborative engineering culture focused on learning, innovation, knowledge sharing, and continuous improvement.
Requirements
~2 min read-
At least 3 years of professional experience developing recommendation systems or ranking models.
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Strong understanding of the mathematical foundations underlying machine learning algorithms.
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Previous experience designing, building, and deploying end-to-end machine learning systems in production.
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A bachelor's, master's, or doctoral degree in Computer Science, Engineering, or a related technical discipline.
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Strong communication and interpersonal skills, with the ability to collaborate effectively in a distributed engineering team.
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Availability for meetings and real-time collaboration during the team's coordination hours, Monday through Friday, from 9:00 a.m. to 3:00 p.m. Pacific Time.
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Toronto and Vancouver: CAD $243,330–$282,076, plus equity and benefits.
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Other Canadian locations: CAD $227,108–$263,271, plus equity and benefits.
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Location & Eligibility
Listing Details
- Posted
- October 12, 2026
- First seen
- October 12, 2026
- Last seen
- October 12, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 68%
- Scored at
- October 12, 2026
Signal breakdown
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