Staff ML Engineer - Recommendation Systems (Remote)

Quora; Ireland; Remote; EUR 161,000 - 286,000; Full time

Benefits offered by this job

Medical/dental/vision coverage

Equity

Remote work reimbursement

Paid time off

Employee assistance programs

Job summary

Quora is a remote-first company where this role can be performed from multiple countries. This Staff Machine Learning Engineer will define the technical future of Quora’s recommendation ecosystem and own feed ranking, partnering across teams to scale surfaces like notifications and digests.

You will write production code, mentor engineers, and push AI-assisted development to accelerate shipping velocity. The role emphasizes leadership across the recommender stack, end-to-end ML ownership, and

Qualifications

• 6+ years of professional software development experience in machine learning.
• 4+ years of professional experience building and optimizing Home Feed recommendation systems for social media and user-generated content platforms.
• Deep knowledge of the full recommender stack: candidate generation, retrieval, ranking, re-ranking, embeddings, and multi-objective optimization.
• Experience leading large-scale ML projects end-to-end with measurable outcomes.
• Strong communication and interpersonal skills.

Responsibilities

• Set the technical direction for Quora’s home feed recommendation systems.
• Lead the highest-impact projects across the recommender stack, from candidate generation and retrieval to ranking, re-ranking, and multi-objective optimization.
• Drive measurable improvements in user engagement and content quality through online experiments.
• Take end-to-end ownership of ML systems, including data pipelines, candidate extraction, feature engineering, model training, and production integration.
• Identify new opportunities to apply machine learning to different parts of the Quora product.
• Partner with product, data science, and infrastructure teams to align on priorities and tradeoffs.
• Mentor engineers and lead by example, raising the bar for code quality, modeling rigor and AI assisted dev velocity.

Skills

ML engineering

Recommender systems

Python / C++

Communication

Data modeling

Education

BS in Computer Science

MS in Computer Science

PhD in Computer Science

Tools

Python

C++

Job description

Quora is a remote-first company where this role can be performed from multiple countries. This Staff Machine Learning Engineer will define the technical future of Quora’s recommendation ecosystem and own feed ranking, partnering across teams to scale surfaces like notifications and digests.

You will write production code, mentor engineers, and push AI-assisted development to accelerate shipping velocity. The role emphasizes leadership across the recommender stack, end-to-end ML ownership, and