[All remote jobs](https://jobicy.com/jobs.md)[![Quora logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2020/09/WRILS-200916172339-629302.jpg)](https://jobicy.com/company/quora.md)[Quora](https://jobicy.com/company/quora.md)

# Staff Machine Learning Engineer, Recommendation Systems – Quora

Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move.

[Apply for this job](#job-application)[View company](https://jobicy.com/company/quora.md)ShareRemote from[USA](https://jobicy.com/job-region/usa.md), [Canada](https://jobicy.com/job-region/canada.md), [Ireland](https://jobicy.com/job-region/ireland.md)SalaryUSD 219,989–320,613 / yrDepartment[Data Science & Analytics](https://jobicy.com/categories/data-science.md)EmploymentFull TimeExperienceSeniorPublished27 Oct 2026Apply before26 Nov 2026Listing views37Application actions1Application toolkit

## Make your next move.

Prepare your resume, explore your fit, and draft a cover letter for this opportunity.

AI Summary

## The role, at a glance.

Quora seeks a Staff Machine Learning Engineer to set technical direction for its home-feed recommendation ecosystem. The role owns the full recommender lifecycle, including candidate generation, retrieval, ranking, re-ranking, feature engineering, model training, and production integration. This hands-on individual contributor will lead high-impact experiments, improve engagement and content quality, and extend recommendations to notifications and digest emails. The engineer will also deploy generative models at scale, mentor peers, and partner closely with product, data science, and infrastructure teams in a remote-first environment.

## Role DNA

A quick view of the complexity, pace, ownership and collaboration implied by the job description.

### Job Complexity

5/5EasyHard

### Pace & Pressure

5/5RelaxedFast-paced

### Autonomy Level

5/5GuidedFull ownership

### Communication Load

4/5IndependentCollaborative

AI insightThis is a staff-level, organization-wide technical leadership role requiring deep expertise in large-scale social-feed recommenders and production ML systems. Success depends on independently delivering measurable product impact while guiding architecture, experiments, and engineering standards.

## Salary analysis

Estimated compensation compared with the broader US market for similar roles.

Estimated job median (per year)Market rate$270,301US market range (per year)$220k–$340k0$374.00k

AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. The disclosed US salary range is $219,989–$320,613 USD per year, with a midpoint of $270,301. The annual cadence is inferred from the senior full-time US engineering role and the magnitude of the disclosed salary range; the posting does not explicitly state a pay period. Estimated US market compensation for a staff-level recommendation-systems ML engineer is $220,000–$340,000 annually, excluding equity and benefits.

## Core skills

Skills and capabilities most closely associated with this opportunity.

[Recommendation systems](https://jobicy.com/jobs?search_keywords=Recommendation%20systems.md)[Machine learning](https://jobicy.com/jobs?search_keywords=Machine%20learning.md)[Feed ranking](https://jobicy.com/jobs?search_keywords=Feed%20ranking.md)[Candidate generation](https://jobicy.com/jobs?search_keywords=Candidate%20generation.md)[Information retrieval](https://jobicy.com/jobs?search_keywords=Information%20retrieval.md)[Learning to rank](https://jobicy.com/jobs?search_keywords=Learning%20to%20rank.md)[Feature engineering](https://jobicy.com/jobs?search_keywords=Feature%20engineering.md)[Multi-objective optimization](https://jobicy.com/jobs?search_keywords=Multi-objective%20optimization.md)[Online experimentation](https://jobicy.com/jobs?search_keywords=Online%20experimentation.md)[Python](https://jobicy.com/jobs?search_keywords=Python.md)[C++](https://jobicy.com/jobs?search_keywords=C%2B%2B.md)[Generative AI](https://jobicy.com/jobs?search_keywords=Generative%20AI.md)[LLM deployment](https://jobicy.com/jobs?search_keywords=LLM%20deployment.md)[Data pipelines](https://jobicy.com/jobs?search_keywords=Data%20pipelines.md)[Production ML systems](https://jobicy.com/jobs?search_keywords=Production%20ML%20systems.md)

Sample interview questionsHow would you diagnose a decline in home-feed engagement after deploying a new ranking model?I would first validate instrumentation, traffic allocation, and experiment integrity. I would segment results by user cohort, content type, and surface, then compare upstream retrieval coverage, ranking scores, latency, and downstream engagement metrics. Based on the findings, I would determine whether to roll back, adjust objectives, or run targeted follow-up experiments.

How do you balance relevance, diversity, freshness, and safety in a recommendation ranking system?

I would model the problem as multi-objective optimization, combining core engagement predictions with calibrated constraints or re-ranking objectives for diversity, freshness, and quality. I would define guardrail metrics, evaluate offline by segment, and validate tradeoffs through controlled online experiments.

Describe an approach for improving candidate generation in a large-scale social-content feed.

I would begin by measuring recall and marginal value from each existing candidate source. I would add complementary retrieval channels such as embedding-based nearest-neighbor retrieval, graph signals, behavioral co-engagement, and freshness-oriented candidates, then deduplicate and optimize the blend based on incremental online impact and serving cost.

What is required to deploy a generative model reliably in a recommendation product?

The system needs clear product objectives, robust offline and online evaluation, latency and cost controls, safety filtering, observability, and fallback behavior. I would also establish versioning, prompt or model governance, bias and quality monitoring, and an experimentation framework before expanding traffic.

How would you mentor engineers while remaining effective as a hands-on staff IC?

I would set technical standards through design reviews, pairing, clear written proposals, and reusable tooling rather than becoming a bottleneck. I would delegate meaningful ownership, give specific feedback tied to outcomes, and reserve my direct implementation time for the highest-leverage architectural or modeling challenges.

Opportunity details

## About this role.

[[Quora is a privately held, “remote-first” company](https://www.quora.com/q/quora/Remote-First-at-Quora). This position can be performed remotely from multiple countries around the world. Please visit [careers.quora.com/eligible-countries](http://careers.quora.com/eligible-countries) for details regarding employment eligibility by country.]

### About Quora:

Quora’s mission is to grow the world’s collective intelligence. To do so, we have two platforms:

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[Quora](http://quora.com): a global knowledge sharing platform with millions of monthly unique visitors, bringing people together to share insights on various topics and providing a unique platform to learn and connect with others.

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[Poe](https://poe.com/): a cloud workspace where millions of users run multiple AI agents on shared context and tools. One subscription, every frontier model, and the collaboration layer that makes them work together.

Behind these products are passionate, collaborative, and high-performing global teams. We have a culture rooted in transparency, idea-sharing, and experimentation that allows us to celebrate success and grow together through meaningful work. 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 the Team and Role:

At Quora, machine learning drives nearly every aspect of our product, and our lean, high-velocity engineering team tackles complex, high-impact challenges daily. We thrive in a remote-first culture built on absolute autonomy, continuous learning, and bold experimentation.

We are looking for a Staff Machine Learning Engineer to define the technical future of Quora’s recommendation ecosystem. In this role, you will own the technical direction for feed ranking and retrieval, lead our highest-impact modeling bets, and pioneer the integration of LLMs and generative models to redefine how we understand and rank content. Beyond the home feed, you will also scale recommendation surfaces like notifications and digest emails, while architecting the underlying tools and abstractions that empower our entire engineering organization.

This is a high-leverage, hands-on IC role with organization-wide scope. You will write production code, mentor rising talent, and actively shape how our team leverages AI-assisted development to accelerate our shipping velocity.

### Responsibilities:

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Set the technical direction for Quora’s home feed recommendation systems

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Lead the highest-impact projects across the recommender stack, from candidate generation and retrieval to ranking, re-ranking, and multi-objective optimization

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Drive measurable improvements in user engagement and content quality through well-designed online experiments

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Take end-to-end ownership of ML systems, including data pipelines, candidate extraction, feature engineering, model training, and production integration

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Identify new opportunities to apply machine learning to different parts of the Quora product

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Partner with product, data science, and infrastructure teams to align on priorities and tradeoffs

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Mentor engineers and lead by example, raising the bar for code quality, modeling rigor and AI assisted dev velocity

### Minimum Requirements:

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Availability for meetings and impromptu communication during Quora’s “[coordination hours](https://quora.com/coordination_hours)” (Mon-Fri: 9am-3pm Pacific Time)

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6+ years of professional software development experience in machine learning

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4+ years of professional experience building and optimizing Home Feed recommendation systems for social media and user-generated content platforms.

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Deep knowledge of the full recommender stack: candidate generation, retrieval, ranking, re-ranking, embeddings, and multi-objective optimization.

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Deep understanding of mathematical foundations of machine learning algorithms

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Experience leading large-scale ML projects end-to-end with measurable outcome

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Strong communication and interpersonal skills

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BS, MS, or PhD in Computer Science

### Preferred Requirements:

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6+ years of experience writing Python or C++ code

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Hands-on experience deploying and running generative models at scale

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Background in notifications, email/digest recommendations, or growth and lifecycle modeling

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Flexible and positive team player

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Publications at venues like RecSys, KDD, NeurIPS, or ICML.

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Passion for Quora’s mission and goals

At Quora, we value diversity and inclusivity and welcome individuals from all backgrounds, including marginalized or underrepresented groups in tech, to apply for our job openings. We encourage all candidates who share a passion for growing the world’s knowledge, even those who may not strictly meet all the preferred requirements, to apply, as we know that a diverse range of perspectives can have a significant impact on our products and our culture.

### Additional Information:

We are accepting applications on an ongoing basis. This role is a backfill for an existing vacancy.

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.

There are many factors that will determine the starting compensation, including but not limited to experience, location, education, and business needs.

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US candidates only: For US based applicants, the salary range is $219,989 – $320,613 USD + equity + benefits.

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Canada candidates only: For Toronto and Vancouver based applicants, the salary range is $282,469 – $329,337 CAD + equity + benefits. For all other locations in Canada, the salary range is $263,638 – $307,381 CAD + equity + benefits.

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In equity-eligible countries, we currently also offer a flexible equity program where a portion of equity compensation may be taken as cash.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

AI technology may assist in sorting applications and recording interview notes, but all decisions are made by a member of our team.

To ensure a secure hiring process, all final candidates will undergo identity verification and a comprehensive background check prior to onboarding.

Job Applicant Privacy Notice: [https://careers.quora.com/quora-global-job-applicant-privacy-notice](https://careers.quora.com/quora-global-job-applicant-privacy-notice)

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[Apply now >](https://jobicy.com/jobs/157306-staff-machine-learning-engineer-recommendation-systems-quora.md)

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