{"id":3671993,"url":"https://alion.io/job/trendyol-data-science-professionals","title":"Data Science Professionals","company":{"id":49289,"name":"Trendyol","domain":"trendyol.com","url":"https://alion.io/company/trendyol","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":85,"open_postings":15,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-11-08T05:47:12Z"}},"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":["Istanbul, Turkey"],"countries":["TR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"Recommender Systems","optional":false},{"name":"Python","optional":true},{"name":"PyTorch","optional":true},{"name":"Scikit-learn","optional":true},{"name":"SQL","optional":true},{"name":"TensorFlow","optional":true}],"status":"live","first_seen_at":"2021-05-27T05:15:17Z","employer_posted_date":"2021-05-27","last_verified_at":"2026-11-08T04:24:17Z","board_verified":true,"closed_at":null,"days_open":1991,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":1990},"description":"About the Role\nOur primary focus will be on powering our Core E-commerce domain. Building a seamless and personalized shopping experience designed to serve millions of customers. As a Data Scientist, you'll play a critical role in driving data-informed decisions; from optimizing ranking and recommendation algorithms to user behavior modeling and improving the efficiency of the systems\nWe solve complex problems with data, creativity, and agility - always driven by real outcomes. With a culture built on learning, collaboration, and ownership, we grow together while building what’s next.\nResponsibilities\nWork at the intersection of product, technology, and machine learning; developing models that power seller & user experience, personalization, Growth, and other core E-commerce features\nEnhancing a scalable, fast, and reliable discovery infrastructure designed to support the future of digital commerce. As a Data Scientist, you'll play a critical role in driving data-informed decisions; from user intent modeling and ranking optimization to improving recommendation relevance and system reliability\nAnalyze large-scale structured and unstructured data from multiple sources across the Trendyol ecosystem\nApply best practices for working with ML-Ops infrastructure, improve models and infrastructure to optimize model performance and deployment cycles\nExecute A/B experiments, reach conclusions statistically and build upon learnings continously\nCollaborate with product, engineering, and risk teams to translate business challenges into data science problems.\nWork with stakeholders throughout the organization to identify opportunities for leveraging company data to drive business solutions\nSynthesize methodology and data into actionable business strategy and communicate findings to engineering and management teams as driving business impact\nExpected Qualifications\nExperience in applied data science and a wide range of data science stack of algorithms and models. Knowledge about recommendation systems, search ranking, or personalization is a big plus\nGood knowledge of python or other programming language. Experience in one or more of the libraries such as scikit-learn, Pytorch and TensorFlow is a plus.\nGood knowledge of SQL and familiarity with best practices\nStrong analytical skills with a data driven approach\nExcellent written and verbal communication skills in English\nExperience with e-commerce or self-service business models is a big plus\nThe experience range for this position is suitable for specialist/senior specialist roles\nStrong analytical skills with a data driven approach\nExcellent written and verbal communication skills in English\nExperience with e-commerce or self-service business models is a big plus\nThe experience range for this position is suitable for specialist/senior specialist roles","description_format":"text","description_chars":2837,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Turkey","iso":"TR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","E-commerce Platforms","Marketplaces"],"lifecycle":[{"event":"open","at":"2026-11-03T09:28:29Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.103,"p_room":0.28,"age_days":1991,"expected_fill_days":51,"reasons":["conf:1","stale_co","win:tail","crowd:"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/trendyol-data-science-professionals","json_url":"https://alion.io/job/trendyol-data-science-professionals.json","meta":{"generated_at":"2026-11-08T07:17:56Z","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":15875,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"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":49289},"rest":"https://alion.io/mcp/rest/get_company?id=49289"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftrendyol-data-science-professionals"},{"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%2Ftrendyol-data-science-professionals"},{"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%2Ftrendyol-data-science-professionals"},{"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/trendyol-data-science-professionals\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftrendyol-data-science-professionals"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3671993}},{"tool":"search_jobs","arguments":{"company":"trendyol.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3671993},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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