Senior Machine Learning Engineer, Ranking

📋 Job Overview

Quora is a privately held, \"remote-first\" company. This position can be performed remotely from multiple countries around the world. Join us on this journey to create a positive impact and make a significant change in the world. This role will be working on our Quora product.

🏢 About Quora

Quora’s mission is to grow the world's collective intelligence. We have two platforms: Quora, a global knowledge sharing platform with millions of monthly unique visitors, and Poe, a cloud workspace where millions of users run multiple AI agents on shared context and tools. We have a culture rooted in transparency, idea-sharing, and experimentation that allows us to celebrate success and grow together through meaningful work.

🎯 The Role

Our small engineering team works on challenging problems every day. We have a culture that's rooted in constantly learning and improving, and our engineers are encouraged to think big and experiment with new ideas. As a remote-first company, our engineers have a high degree of flexibility and autonomy. Everyone on the engineering team has a significant impact on our product and our company. We are looking for an experienced machine learning engineer to join our distribution team, working on recommendation systems such as feed, notifications, and Quora's famous digest emails. At Quora, we use machine learning in almost every part of the product and recommendation systems play an important role in connecting users with content.

✅ Key Responsibilities

• Improve our existing machine learning ranking models using your core coding skills and ML knowledge
• Take end-to-end ownership of machine learning systems - data pipelines, candidate extraction, feature engineering, model training, as well as integration into our production systems
• Identify new opportunities to apply machine learning to different parts of the Quora product
• Work with other machine learning engineers to implement algorithms and systems efficiently

📌 Required Qualifications

• Availability for meetings and impromptu communication during Quora's “coordination hours" (Mon-Fri: 9am-3pm Pacific Time)
• 3+ years of professional experience working on recommendation or ranking models
• Good understanding of mathematical foundations of machine learning algorithms
• Previous experience building end-to-end machine learning systems
• Good communication and interpersonal skills
• BS, MS, or PhD in Computer Science, Engineering, or a related technical field

⭐ Desirable Experience

• 5+ years of experience writing Python or C++ code
• Experience with generative recommendation systems
• Experience with user behavior or user sequence modeling, transformers, or long sequence modeling applied to ranking
• Experience with leading large-scale multi-engineer projects
• Flexible and positive team player with outstanding interpersonal skills
• Passion for Quora's mission and goals

🎁 Benefits

Quora offers a wide range of benefits including medical/dental/vision coverage, equity refreshers, remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are country-specific and may vary.

🛂 Visa & Eligibility

Application eligibility varies by country. Please visit careers.quora.com/eligible-countries for details regarding employment eligibility by country.