{"id":2111810,"url":"https://alion.io/job/quora-senior-machine-learning-engineer-ranking-quora-remote","title":"Senior Machine Learning Engineer, Ranking - Quora (Remote)","company":{"id":7826,"name":"Quora","domain":"quora.com","url":"https://alion.io/company/quora","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":{"label":"PT","utc_offset_min":-8,"utc_offset_max":-8},"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":146000,"max_usd":269000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":338},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"C++","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Recommender Systems","optional":false}],"status":"live","first_seen_at":"2026-10-08T21:14:24Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-22T04:58:35Z","board_verified":true,"closed_at":null,"days_open":13,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":13},"description":"[Quora is a privately held, \"remote-first\" company. This position can be performed remotely from multiple countries around the world. Please visit careers.quora.com/eligible-countries for details regarding employment eligibility by country.]\nAbout Quora:\nQuora’s mission is to grow the world's collective intelligence. To do so, we have two platforms:\nQuora: 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.\n\nPoe: 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.\n\nBehind 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.\nThis role will be working on our Quora product.\nAbout the Team and Role:\nOur 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.\nAs a ranking modeling expert, you will own and advance the second-phase ranking model behind feed and digest, one of the highest-leverage surfaces at Quora, by applying the latest machine learning techniques. You will also play a key role in developing methodologies that our other developers will build on top of.\nResponsibilities:\nImprove our existing machine learning ranking models using your core coding skills and ML knowledge\n\nTake end-to-end ownership of machine learning systems - data pipelines, candidate extraction, feature engineering, model training, as well as integration into our production systems\n\nIdentify new opportunities to apply machine learning to different parts of the Quora product\n\nWork with other machine learning engineers to implement algorithms and systems efficiently\n\nMinimum Requirements:\nAvailability for meetings and impromptu communication during Quora's “coordination hours \" (Mon-Fri: 9am-3pm Pacific Time)\n\n3+ years of professional experience working on recommendation or ranking models\n\nGood understanding of mathematical foundations of machine learning algorithms\n\nPrevious experience building end-to-end machine learning systems\n\nGood communication and interpersonal skills\n\nBS, MS, or PhD in Computer Science, Engineering, or a related technical field\n\nPreferred Requirements:\n5+ years of experience writing Python or C++ code\n\nExperience with generative recommendation systems\n\nExperience with user behavior or user sequence modeling, transformers, or long sequence modeling applied to ranking\n\nExperience with leading large-scale multi-engineer projects\n\nFlexible and positive team player with outstanding interpersonal skills\n\nPassion for Quora's mission and goals\n\nAt 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.\nAdditional Information:\nWe are accepting applications on an ongoing basis. This role is a backfill for an existing vacancy.\nQuora 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.\nThere are many factors that will determine the starting compensation, including but not limited to experience, location, education, and business needs.\nUS candidates only: For US based applicants, the salary range is $189,507 - $274,604 USD + equity + benefits.\n\nCanada candidates only: For Toronto and Vancouver based applicants, the salary range is $243,330 - $282,076 CAD + equity + benefits. For all other locations in Canada, the salary range is $227,108 - $263,271 CAD + equity + benefits.\n\nIn equity-eligible countries, we currently also offer a flexible equity program where a portion of equity compensation may be taken as cash.\n\nWe 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.\nAI technology may assist in sorting applications and recording interview notes, but all decisions are made by a member of our team.\nTo ensure a secure hiring process, all final candidates will undergo identity verification and a comprehensive background check prior to onboarding.\nJob Applicant Privacy Notice: https://careers.quora.com/quora-global-job-applicant-privacy-notice\n#LI-SS2\n#LI-REMOTE","description_format":"text","description_chars":5704,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Q&A & Knowledge Platforms"],"lifecycle":[{"event":"open","at":"2026-10-08T22:40:48Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 11 · green card filings: 5","filings_12m":11,"filings_prev_12m":23,"green_card_filings_12m":5,"median_offered_wage_usd":185938,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":9}],"liveness":{"score":87,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.867,"p_room":1,"age_days":13,"expected_fill_days":42,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/quora-senior-machine-learning-engineer-ranking-quora-remote","json_url":"https://alion.io/job/quora-senior-machine-learning-engineer-ranking-quora-remote.json","meta":{"generated_at":"2026-10-22T07:01:35Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":2334,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":7826},"rest":"https://alion.io/mcp/rest/get_company?id=7826"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fquora-senior-machine-learning-engineer-ranking-quora-remote"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fquora-senior-machine-learning-engineer-ranking-quora-remote"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fquora-senior-machine-learning-engineer-ranking-quora-remote"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/quora-senior-machine-learning-engineer-ranking-quora-remote\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fquora-senior-machine-learning-engineer-ranking-quora-remote"}]}