{"id":2454840,"url":"https://alion.io/job/squarespace-senior-manager-data-science-and-machine-learning","title":"Senior Manager, Data Science and Machine Learning","company":{"id":63,"name":"Squarespace","domain":"squarespace.com","url":"https://alion.io/company/squarespace","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":35,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Management","role_family":"Management","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":223000,"max":358800,"currency":"USD","period":"year","gross":null,"usd_annual":358800},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"Human-in-the-Loop","optional":true},{"name":"LLM","optional":true},{"name":"LLM Evaluation","optional":true}],"status":"live","first_seen_at":"2026-10-13T13:26:04Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-17T02:26:47Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Senior Manager, Data Science and Machine Learning\nNew York, NY\nSquarespace is hiring a Senior Manager, Data Science and Machine Learning to lead the team behind our predictive models, causal inference frameworks, and AI evaluation systems. These are the tools that inform how we acquire customers, keep them, and serve them at scale. Reporting to the VP of Data, you’ll lead a team of 12 data scientists and ML engineers doing work that is directly tied to how Squarespace leverages AI and data-driven capabilities. You will work closely with product, engineering, and analytics partners across the organization to introduce new ways to leverage data in our products and decision systems, for customers and internal use. This is an opportunity to step into a critical senior leadership seat and set the direction for how machine learning and data science are practiced at Squarespace.\nThis is a hybrid role working from our NYC office 3 days per week. You will report to the VP, Data.\nYou'll Get To...\nLead and develop a team of 12, including three direct reports who manage their own teams\nSet the technical and strategic direction for predictive modeling, causal inference, and AI evaluation across Squarespace's product and business priorities\nApply data science to Squarespace’s biggest growth levers: marketing measurement, sales growth, product optimization, customer support allocation, and risk and credit modeling\nPartner with product, engineering, and business leaders to translate complex statistical and ML work into decisions and systems that drive customer acquisition, retention, engagement, and growth across our global products.\nBuild the systems, processes, and team culture that raise the quality and speed of data science delivery across the organization\nEvolve the team's ML infrastructure and tooling as AI capabilities at Squarespace grow\nWho We're Looking For\n12+ years in data science or machine learning, including experience leading technical teams through complex, high-stakes projects\n5+ years managing managers, with demonstrated ability to develop senior individual contributors and team leads simultaneously\nHands-on experience building or overseeing production predictive models, causal inference frameworks, or AI evaluation systems\nSkill at aligning product, engineering, and business partners around a shared roadmap and navigating trade-offs clearly, especially in explaining statistical or technical trade-offs to executives without losing the nuance\nExperience scaling a data science or ML function, including team structure, hiring, and technical standards\nNice to Have\nExperience building or overseeing LLM evaluation harnesses, including golden sets and LLM-as-judge methods\nFamiliarity with prompt and model lifecycle management in production\nExperience designing human-in-the-loop review for AI-driven features\nBackground in marketing science, experimentation, or credit/risk modeling\nBenefits & Perks\nA choice between medical plans with an option for 100% covered premiums including medical, dental, and vision\nSupplemental Life and Disability Insurance plans\nFertility and adoption benefits\nHeadspace mindfulness app subscription\nGlobal Employee Assistance Program\nRetirement benefits with employer match\nFlexible paid time off\n12 weeks paid parental leave and family care leave\nPretax commuter benefit\nEducation reimbursement\nEmployee donation match to community organizations\n7 Global Employee Resource Groups (ERGs)\nDog-friendly workplace\nFree lunch and snacks\nPrivate rooftop\nHack week twice per year\nCash Compensation Range: $223,000 - $358,800 USD\nThe base salary for this position will vary based on job-related criteria including relevant skills, experience, and location, among other factors.\nIn addition to the cash compensation above (which includes base salary and, where applicable for eligible roles, may include overtime pay), Squarespace employees are eligible to be granted an option to purchase our common stock. Sales positions generally offer a competitive On Target Earnings (OTE) incentive structure in addition to base salary.\nAbout Squarespace\nSquarespace is a design-driven platform helping entrepreneurs build brands and businesses online. We empower millions of customers in more than 200 countries and territories with all the tools they need to create an online presence, build an audience, monetize, and scale their business. Our suite of products - from Squarespace and Squarespace Payments, to subsidiaries like Tock, Bio Sites, and Unfold, as well as Acuity Scheduling - works together to help customers stand out and succeed online. By fundamentally changing the way individuals and businesses around the world build an online presence, we empower our customers with a competitive advantage in reaching their audience. The company is headquartered in New York City, with offices in Dublin and Aveiro. For more information about our company, visit https://www.squarespace.com/about-us.\nOur Commitment\nToday, more than a million people around the globe use Squarespace to share different perspectives and experiences with the world. Not only do we embrace and celebrate the diversity of our customers, but we also work toward the same in our employees. At Squarespace, we are committed to equal employment opportunity regardless of race, color, ethnicity, ancestry, religion, national origin, gender, sex, gender identity or expression, sexual orientation, age, citizenship, marital or parental status, disability, veteran status, or other class protected by applicable law. We are proud to be an equal opportunity workplace.\nThank you in advance for providing the following details about your work history from your resume! This helps us ensure that your candidate information is accurate and consistent during the hiring process.\nSquarespace will never solicit your personal banking information or ask you to transfer money in connection with a job offer or interview. We also will not reach out to you via phone or SMS without your permission or knowledge.\nIf you plan to use AI in any capacity during your candidate journey, please review our Candidate AI Policy.","description_format":"text","description_chars":6145,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Domain Registrars & Registries","E-commerce Platforms","Website Builders"],"lifecycle":[{"event":"open","at":"2026-10-13T15:46:35Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 20 · green card filings: 6","filings_12m":20,"filings_prev_12m":20,"green_card_filings_12m":6,"median_offered_wage_usd":176731,"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":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":35,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":358800,"is_top_pay":true},"html_url":"https://alion.io/job/squarespace-senior-manager-data-science-and-machine-learning","json_url":"https://alion.io/job/squarespace-senior-manager-data-science-and-machine-learning.json","meta":{"generated_at":"2026-10-17T04:46:44Z","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":6288,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":63},"rest":"https://alion.io/mcp/rest/get_company?id=63"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsquarespace-senior-manager-data-science-and-machine-learning"},{"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%2Fsquarespace-senior-manager-data-science-and-machine-learning"},{"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%2Fsquarespace-senior-manager-data-science-and-machine-learning"},{"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/squarespace-senior-manager-data-science-and-machine-learning\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsquarespace-senior-manager-data-science-and-machine-learning"}]}