{"id":1378526,"url":"https://alion.io/job/ozon-starshii-data-scientist-vozvraty-ml-2","title":"Старший Data Scientist, Возвраты ML","company":{"id":155,"name":"Ozon","domain":"ozon.ru","url":"https://alion.io/company/ozon","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HeadHunter","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Moscow, Russia"],"countries":["RU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":69000,"period":"year","method":"role_seniority_country_cell","sample_n":13},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Computer Vision","optional":false},{"name":"LLM","optional":false},{"name":"NLP","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"ClickHouse","optional":true},{"name":"Confluence","optional":true},{"name":"Grafana","optional":true},{"name":"Hadoop","optional":true},{"name":"Jira","optional":true},{"name":"LangChain","optional":true},{"name":"LangGraph","optional":true},{"name":"LlamaIndex","optional":true},{"name":"MLFlow","optional":true},{"name":"NLTK","optional":true},{"name":"ONNX","optional":true},{"name":"OpenCV","optional":true},{"name":"pySpark","optional":true},{"name":"Scikit-learn","optional":true},{"name":"SGLang","optional":true},{"name":"Spark","optional":true},{"name":"SQL","optional":true},{"name":"TensorRT","optional":true},{"name":"Triton","optional":true},{"name":"Vertica","optional":true},{"name":"vLLM","optional":true}],"status":"live","first_seen_at":"2026-09-28T07:25:34Z","employer_posted_date":null,"last_verified_at":"2026-09-28T07:25:34Z","board_verified":false,"closed_at":null,"days_open":33,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":33},"description":"Привет! Это команда Возвраты ML.\n Мы ищем талантливого Data Scientist/ML Engineer в новую ML-команду отдела «Возвраты маркетплейса». Отдел занимается обработкой и модерацией возвратов покупателя и продавца, аннуляциями, спорами между покупателями и продавцами, а также обработкой звонков по подменным номерам.\n Внутри отдела выделяется новая ML-команда, которая будет строить ML-направление и помогать автоматизировать процессы, где сейчас много ручной проверки и операционных затрат.\n Команда будет заниматься полным циклом разработки ML-моделей: от погружения в бизнес-задачу, сбора и анализа данных до обучения, тестирования, деплоя, мониторинга и поддержки моделей в продакшене.\n Основные направления работы команды: NLP / LLM для анализа текстов и транскрибаций звонков, анализ фото- и видеоконтента в возвратах и спорах: проверка качества фотографий, поиск повреждений, и т.д., research-задачи, где нужно быстро проверять гипотезы на реальных данных и доводить успешные решения до production-релизов.\n Наш стек\n Python, PyTorch, Scikit-learn, NLP: transformers, pymorphy, spacy, NLTK, Vector databases, vLLM/SGLang, LlamaIndex, LangChain, LangGraph, CV: OpenCV, модели классификации/детекции/сравнения изображений, SQL: ClickHouse, Vertica, Hadoop, PySpark, AirFlow, MLFlow, Grafana, NVIDIA Triton: ONNX, TensorRT., Confluence, Jira.\n Вы будете\n Разработка и обучение ML/DL-моделей для задач NLP и Computer Vision. Возможен также classic ML;\n Анализ и обработка данных;\n Работа с PyTorch;\n Тестирование и оптимизация моделей;\n Подготовка модели к запуску в продакшене, участие в A/B тестах, поэтапных раскатках и мониторинге качества;\n Поддержка существующих моделей.\n Нам важно\n Широкий прикладной ML-бэкграунд: опыт работы минимум с двумя направлениями из Computer Vision, NLP / LLM, classic ML (обучение моделей, интеграция их в реальные проекты);\n Коммерческий опыт в Data Science / ML от 4 лет;\n Уверенное знание Python и PyTorch;\n Хорошее знание классического ML и современного DL (включая математику за ними);\n Опыт самостоятельного ведения задач на разных этапах проекта;\n Умение переводить бизнес-задачу в ML-постановку и предлагать практичные решения.\n Будет плюсом\n Опыт работы с полным циклом обучения моделей от сбора данных до вывода в прод;\n Работа со звуком/видео.","description_format":"text","description_chars":2286,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Russian","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commercial & Retail Banks","Marketplaces","Warehousing"],"lifecycle":[{"event":"open","at":"2026-09-28T07:28:12Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":0.6,"p_active":0.415,"p_room":0.35,"age_days":32,"expected_fill_days":5,"reasons":["seen:32","velocity","win:tail","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/ozon-starshii-data-scientist-vozvraty-ml-2","json_url":"https://alion.io/job/ozon-starshii-data-scientist-vozvraty-ml-2.json","meta":{"generated_at":"2026-10-31T11:45:12Z","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":18123,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":155},"rest":"https://alion.io/mcp/rest/get_company?id=155"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fozon-starshii-data-scientist-vozvraty-ml-2"},{"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%2Fozon-starshii-data-scientist-vozvraty-ml-2"},{"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%2Fozon-starshii-data-scientist-vozvraty-ml-2"},{"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/ozon-starshii-data-scientist-vozvraty-ml-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fozon-starshii-data-scientist-vozvraty-ml-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1378526}},{"tool":"search_jobs","arguments":{"company":"ozon.ru","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1378526},"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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