Senior Machine Learning Engineer

🕒 June 16

🇨🇦 Canada – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 28%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Reddit, Inc.

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2005

💼 Consulting

📣 Marketing

📱 Media

Consulting • Marketing • Media

Reddit, Inc. is a social media platform that acts as a hub for thousands of communities, where users can engage in diverse conversations ranging from breaking news to niche interests. It enables users to post, comment, and vote on content, fostering a vibrant online community. Millions of people globally connect and share their passions on Reddit, creating a dynamic environment for authentic human interaction.

📋 Description

• Design and build production-grade machine learning models and systems at scale • Own the full ML lifecycle from problem definition and feature engineering to training, evaluation, deployment, and monitoring • Build scalable data and model pipelines with reliability, observability, and automated retraining • Work with large-scale datasets to improve ranking, recommendations, search relevance, prediction, content/user understanding, and optimization systems • Partner with Product, Data Science, Infrastructure, and Engineering teams to translate complex problems into ML solutions • Improve system performance across latency, throughput, and model quality metrics • Research and apply state-of-the-art machine learning and AI techniques, including deep learning, graph and transformer-based methods, and LLM evaluation/alignment • Contribute to technical strategy, architecture, and the long-term ML roadmap

🎯 Requirements

• 3-5+ years of experience building, deploying, and operating machine learning systems in production • Strong programming skills in Python, Java, Go, or similar languages, with solid software engineering fundamentals • Strong grasp of machine learning algorithms, including XGBoost, Random Forests, regressions, Transformers, CNNs, and GNNs • Hands-on experience with modern ML frameworks such as PyTorch and TensorFlow • Experience designing scalable ML pipelines, data processing systems, and model serving infrastructure • Ability to translate ambiguous product or business problems into technical solutions • Experience improving measurable metrics through applied machine learning • Preferred: experience with recommender systems, search/ranking systems, advertising/auction systems, representation learning, or multimodal embeddings • Preferred: familiarity with distributed systems and large-scale data processing tools such as Spark, Kafka, Ray, Airflow, BigQuery, and Redis • Preferred: experience with real-time systems, low-latency production environments, feature engineering, model optimization, production monitoring, and LLM/Gen AI techniques • Advanced degree in Computer Science, Machine Learning, or a related quantitative field is preferred

🏖️ Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs • 401k with Employer Match • Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support • Family Planning Support • Gender-Affirming Care • Mental Health & Coaching Benefits • Flexible Vacation & Paid Volunteer Time Off • Generous Paid Parental Leave