{"id":10457,"url":"https://alion.io/job/duckduckgo-senior-data-scientist","title":"Senior Data Scientist","company":{"id":3478,"name":"DuckDuckGo","domain":"duckduckgo.com","url":"https://alion.io/company/duckduckgo","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":92,"open_postings":11,"ghost_share":0,"stale_share":0,"repost_share":0.182,"time_to_fill_p50_days":100,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US","CA","GB"],"hiring_countries_total":3,"salary":{"min":178500,"max":178500,"currency":"USD","period":"year","gross":null,"usd_annual":178500},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Amazon Redshift","optional":false},{"name":"BigQuery","optional":false},{"name":"ClickHouse","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Google BigQuery","optional":false},{"name":"LLM","optional":false},{"name":"NLP","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Tableau","optional":false},{"name":"ChatGPT","optional":true},{"name":"Claude","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-03-13T14:22:49Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-18T04:30:31Z","board_verified":true,"closed_at":null,"days_open":218,"trust":{"level":"ok","repost_count":1,"flags":["company_stale"],"days_open":218},"description":"Who We Are\nHi, we're DuckDuckGo, the online protection company and remote-first team of 300+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, annual revenue now exceeds $100m USD and millions use our browser on on Mac, Windows, iOS, and Android, our search engine, and the DuckDuckGo subscription. We also offer private, useful, and optional AI, including Duck.ai, which lets you chat privately with ChatGPT, Claude, and other AIs, all in one place. Our culture of trust, inclusivity, and empowered project management underpins everything we do, where each team member takes full ownership of their projects, from scoping and execution to postmortem. If you're seeking end-to-end ownership of your work, you've come to the right place!\nYour Team and Role\nWorking on the Data Science Functional Team, you'll drive product and business impact through statistical modeling, experiment design, Bayesian marketing analysis, and classifier implementation across our search engine, instant answers, AI, and revenue optimization, and work on related projects. Recent projects include:\nDefining core growth metrics for our products and building the infrastructure to monitor trends and anomalies\n\nMeasuring the impact of major marketing campaigns for Duck.ai, translating full-funnel data into actionable decisions\n\nBuilding monitoring pipelines to detect unexpected shifts in search traffic patterns faster and more reliably\n\nExpanding evaluation datasets for page context understanding across complex scenarios like multi-tab browsing and content reattachment\n\nImproving the trigger systems that determine when AI-assisted answers surface in DuckDuckGo Search, balancing quality and our privacy-first approach\n\nOur data meets rigorous privacy standards and is necessarily sparse, so you'll need to think creatively to surface actionable insights in an evidence-first culture where quantitative rigor is the baseline, not the exception.\nAbout You\nYou have 7+ years of experience in Data Science and a track record of leading high-complexity projects from scoping to production with minimal direction.\n\nYou can do 2 or more of the following:\n\nDeploy and iterate on ML in production environments\n\nDevelop and deploy NLP solutions\n\nApply knowledge of LLMs including fine-tuning, LLM-as-judge, and AI-assisted development\n\nConduct marketing campaign analysis using Bayesian methods\n\nYou write production-grade code in Python or a comparable high-level language.\n\nYou have advanced SQL and query optimization skills, familiarity with columnar databases like BigQuery, Clickhouse, Redshift, or Druid; experience with a BI tool like Tableau or PowerBI is a plus.\n\nYou can design, implement, and analyze experiments across product surfaces, and are comfortable deriving insights from sparse or privacy-constrained data.\n\nYou collaborate effectively with product teams and contribute to overall team throughput.\n\nCompensation\n$178,500 USD annually and stock options. Compensation is transparent across the organization, and all team members within the same professional level and global region receive the same compensation.\nEligibility for company-sponsored health benefits is limited to team members based in the United States. This program does not extend to team members located in other countries, such as Canada or the UK.\nOurTeam Member Support Guide explains how we prioritize your wellbeing including paid parental leave, office setup, and co-working allowances.\nHiring Process\nHiring works best when it's a two-way street. Learn how we help you get to know DuckDuckGo, envision your future role here, and find out more about how we hire.\nDiversity, Equity, and Inclusion\nDuckDuckGo provides equal work opportunities to all team members and applicants, and it prohibits discrimination and harassment of any type on the basis of race, color, ethnicity, caste, religion, age, sex (including pregnancy), national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by our policies or federal, state, or local laws.\nWe want to ensure that our hiring process is accessible. If you need reasonable accommodation for any part of the application process because of a medical condition or disability, please send an email to  to let us know the nature of your request.\nPlease note that:\nYou’ll be required to attend meetings on camera via video conferencing\n\nExpect to travel at least two times a year: once for our all-hands meetup and again for a team retreat (each around 4-5 days). While extenuating circumstances may impact attendance, everyone is strongly encouraged to attend.\n\nWhile we offer a flexible work arrangement with no core hours, expect an average full-time commitment of 40 hours per week.\n\nA successful candidate must pass a background check as a condition of joining the team.\n\nBy applying for this role, you confirm that all information submitted is accurate and complete. You further acknowledge that providing false or fraudulent information during the application process is cause for denial of an offer, revocation of any existing offer, or other adverse action, up to and including termination after the start of your commencement of work.\n\nDisclosure Statement: Use of AI in Hiring Process\nAs part of our commitment to enhancing our recruitment process, we utilize artificial intelligence (AI) technology to assist in reviewing and summarizing job applications and test projects, including those tools integrated into our recruitment vendor platforms. We use AI to flag potentially fraudulent applications, analyze and summarize applicants’ experience, interviews, and project performance, and help streamline our selection process.\nKey Principles:\nData Privacy: All information provided in your application will be handled in accordance with our Recruiting Privacy Policy. We ensure that your personal information is protected and used solely for recruitment purposes.\n\nHuman Oversight and Accountability: The AI technology is designed to support our hiring team by providing insights and summaries of applications and evaluations of test projects against scoring rubrics. All final evaluations and hiring decisions, however, will be made by our hiring team, who will consider the AI's input alongside other factors.\n\nTransparency: We believe in transparency regarding our hiring practices. If you have any questions about how AI is used in our recruitment process, please feel free to reach out to us.\n\nBy submitting your application, you acknowledge and consent to the use of AI technology in our review process. If you would like to request an alternative selection process, please contact us as at . Thank you for your interest in joining DuckDuckGo!","description_format":"text","description_chars":6856,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Parental leave","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"},{"name":"Canada","iso":"CA","kind":"country"},{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Search Engines","VPN & Proxy Services"],"lifecycle":[{"event":"open","at":"2026-03-13T14:22:49Z"},{"event":"close","at":"2026-08-13T11:25:55Z"},{"event":"reopen","at":"2026-10-08T18:51:15Z"}],"visa":[],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.572,"p_room":0.28,"age_days":217,"expected_fill_days":100,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":178500,"is_top_pay":true},"html_url":"https://alion.io/job/duckduckgo-senior-data-scientist","json_url":"https://alion.io/job/duckduckgo-senior-data-scientist.json","meta":{"generated_at":"2026-10-18T05:37:32Z","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":8509,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":3478},"rest":"https://alion.io/mcp/rest/get_company?id=3478"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fduckduckgo-senior-data-scientist"},{"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%2Fduckduckgo-senior-data-scientist"},{"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%2Fduckduckgo-senior-data-scientist"},{"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/duckduckgo-senior-data-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fduckduckgo-senior-data-scientist"}]}