{"id":2707365,"url":"https://alion.io/job/farfetch-data-scientist-experimentation-platform","title":"Data Scientist – Experimentation Platform","company":{"id":3450,"name":"Farfetch","domain":"farfetch.com","url":"https://alion.io/company/farfetch","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":79,"open_postings":18,"ghost_share":0,"stale_share":0.833,"repost_share":0,"time_to_fill_p50_days":46,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Porto, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":77000,"period":"year","method":"role_country_seniority_unknown","sample_n":27},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"BigQuery","optional":true},{"name":"GCP","optional":true},{"name":"Google BigQuery","optional":true},{"name":"Machine Learning","optional":true}],"status":"live","first_seen_at":"2026-10-16T11:47:58Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T01:23:44Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Farfetch is a leading global marketplace for the luxury fashion industry, connecting customers in over 190 countries with items from more than 50 countries and over 1,400 of the world’s best brands and charming boutiques from around the world. Farfetch opens a world of luxury for endless expressions of style, delivering a truly unique shopping experience and access to the most extensive selection of luxury on a global marketplace.\nTECHNOLOGY\nThe Technology team builds end-to-end products and solutions that power our marketplace, delivering an incredible experience for customers globally. From understanding customer and partner needs to designing and testing innovative hypotheses, we create industry-leading experiences for luxury customers everywhere.\nPORTO\nOur office is near Porto, in the north of Portugal, and is located in a vibrant business hub. It offers a dynamic and welcoming environment where our employees can connect and network with a large community of tech professionals.\nTHE ROLE\nWe are looking for an experienced and hands-on Data Scientist to join our Data team at FARFETCH, with a focus on evolving our in-house Experimentation Platform and its custom-built Statistical Engine.\nOur Experimentation Platform enables teams across FARFETCH to run A/B tests, measure the impact of product changes, and make data-driven decisions at scale. At its core, our Python-based Statistical Engine processes experiment results and powers automated, self-service analytics.\nIn this role, you will take technical ownership of the Statistical Engine, combining strong statistical expertise with software engineering skills to improve its reliability, scalability, and analytical capabilities.\nYou will work closely with Data Engineering, Data Analytics, Product, and Engineering teams to modernise our experimentation capabilities, introduce advanced statistical methods, and explore how AI can accelerate platform development and improve experimentation workflows.\nWHO YOU ARE\nRequired Skills & Experience\nGood Python skills and experience developing or maintaining applications.\nUnderstanding of statistics, hypothesis testing, and A/B testing.\nExperience working with SQL and analysing datasets.\nFamiliarity with software development practices, including version control and testing.\nWillingness to learn, investigate problems, and improve existing solutions.\nGood communication skills and ability to work with different teams.\n Preferred Skills\nExperience with A/B testing or experimentation platforms.\nFamiliarity with statistical methods such as causal inference or variance reduction.\nExperience with cloud data platforms, ideally Google Cloud or BigQuery.\nSome knowledge of machine learning or AI-assisted development tools.\nWHAT YOU'LL DO\nEnsure our Statistical Engine delivers accurate, reliable, and timely experiment results.\nImprove our experimentation capabilities, helping teams detect meaningful changes andmake decisions faster.\nEvolve the platform to support new statistical methods, experiment designs, and businessneeds.\nMake the Statistical Engine easier to maintain, scale, and extend as our experimentationneeds grow.\nWork with Data Engineering to improve data availability and integration with our DataPlatform.\nExplore how AI and new technologies can help us develop and improve the platform moreefficiently.\nPartner with Data Analysts, Engineers, and Product Managers to turn experimentationchallenges into practical solutions.\nREWARDS & BENEFITS\nHealth insurance for the whole family and other well-being resources\n25 Days of Annual Leave (above the statutory) and additional Caring Days (2 days per year) and Boomerang: sabbatical program after 5 years service\nTraining opportunities and free access to LinkedIn Learning\nFlexible benefits program\nFlexible working environment\nEQUAL OPPORTUNITIES\nFarfetch is an equal opportunities employer ensuring that all applicants are treated equally and fairly throughout our recruitment process.We are determined that no applicant experiences discrimination on the basis of sex, race, ethnicity, religion or belief, disability, age, gender identity, ancestry, sexual orientation, veteran status, marriage and civil partnership, pregnancy and maternity, or any other basis prohibited by applicable law. \n\nSCAM DISCLAIMER\nIt has come to our attention that there may be fraudulent activities involving individuals or organizations falsely claiming to represent Farfetch in order to attract candidates to a SCAM. Please be aware that Farfetch does not conduct recruitment processes through messaging apps or any unofficial communication channels, other than our official careers website. Additionally, Farfetch will never ask candidates for any form of payment during the recruitment process.","description_format":"text","description_chars":4768,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Flexible schedule","Health insurance"],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["E-commerce Platforms","Marketplaces","Luxury Retail"],"lifecycle":[{"event":"open","at":"2026-10-16T12:58:10Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":46,"reasons":["conf:3","win:early"],"computed_at":"2026-10-17T05:10:42Z"},"pay":null,"html_url":"https://alion.io/job/farfetch-data-scientist-experimentation-platform","json_url":"https://alion.io/job/farfetch-data-scientist-experimentation-platform.json","meta":{"generated_at":"2026-10-17T05:10:42Z","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":6852,"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":3450},"rest":"https://alion.io/mcp/rest/get_company?id=3450"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffarfetch-data-scientist-experimentation-platform"},{"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%2Ffarfetch-data-scientist-experimentation-platform"},{"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%2Ffarfetch-data-scientist-experimentation-platform"},{"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/farfetch-data-scientist-experimentation-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffarfetch-data-scientist-experimentation-platform"}]}