{"id":4004200,"url":"https://alion.io/job/crypto-service-data-scientist-middle","title":"Data Scientist Middle+","company":{"id":719618,"name":"Crypto Service","domain":"crypto-service.ru","url":"https://alion.io/company/cryptoservice","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HeadHunter","truth_index":{"grade":"E","score":25,"open_postings":6,"ghost_share":1,"stale_share":0,"repost_share":1,"time_to_fill_p50_days":null,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","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":{"min":270000,"max":320000,"currency":"RUB","period":"month","gross":false,"usd_annual":44292},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Embeddings","optional":false},{"name":"FAISS","optional":false},{"name":"Milvus","optional":false},{"name":"NumPy","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Qdrant","optional":false},{"name":"Scikit-learn","optional":false},{"name":"TensorFlow","optional":false},{"name":"Fine-tuning","optional":true},{"name":"LLM","optional":true},{"name":"NLP","optional":true},{"name":"RAG","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-11-10T05:57:42Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-09T18:08:46Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Мы ищем Data Scientist (Middle+) для разработки и оценки алгоритмов семантического сопоставления текстов.\n Обязанности:\n Разрабатывать и улучшать алгоритмы поиска заимствований, включая семантическое сопоставление текстов, поиск перефразирований и глубокого рерайта;\n Проводить исследования и сравнительные эксперименты: классические методы (шинглы, n-граммы), эмбеддинги, трансформеры;\n Формулировать и проверять гипотезы самостоятельно, выбирать метрики и критерии качества дата сетов;\n Готовить датасеты, разметку, валидацию и тестовые выборки; контролировать качество данных;\n Оценивать false positive / false negative;\n Работать в связке с продуктом и разработкой и предлагать решения;\n Документировать подходы, эксперименты и ограничения.\n Требования: Опыт в Data Science от 3 лет;\n Уверенный Python: pandas, numpy, scikit-learn, PyTorch/TensorFlow;\n Понимание задач семантического сходства, классификации текстов, поиска дублей и перефразирований;\n Опыт работы с русскоязычными текстами: токенизация, морфология;\n Опыт работы с метриками качества: precision/recall/F1, ROC-AUC, калибровка вероятностей, анализ ошибок;\n Опыт работы с vector search / embeddings search (FAISS, Milvus, Qdrant и аналоги);\n Навык самостоятельно разбираться в новой предметной области и предлагать решения.\n Будет плюсом:\n Опыт в поиске заимствований, дедупликации или информационном поиске;\n Понимание методов детекции AI-generated text: перплексия, burstiness, стилометрия, классификаторы на трансформерах;\n Опыт с LLM: промпт-инжиниринг, fine-tuning, RAG, оценка галлюцинаций;\n Опыт работы с длинными документами: chunking, агрегация предсказаний по фрагментам;\n Знание SQL и опыт работы с большими текстовыми корпусами;\n Опыт A/B-тестирования моделей в продукте;\n Публикации, pet-проекты или вклад в open-source по NLP/ML.\n Личные качества:\n Самостоятельность: умеет сам распределять свое время, приоритизировать и доводить задачи до видимого результата;\n Исследовательское мышление: не боится неопределённости и проверяет гипотезы данными;\n Инженерная зрелость: думает не только о метриках, но и о продакшене, стоимости инференса и поддержке;\n Умение объяснять сложные вещи простым языком продукту и бизнесу.\n Условия: Работа в офисе (гибрид - обсуждается);\n Работа в аккредитованной ИТ-компании;\n Оформление в соответствии с ТК РФ;\n График 5/2 (сб, вс - выходные);\n Белая ЗП.","description_format":"text","description_chars":2366,"description_truncated":false,"requirements":{"experience_years_min":3,"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":["Information Security","Security Compliance"],"lifecycle":[{"event":"open","at":"2026-11-10T06:03:44Z"}],"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":26,"reasons":["conf:0","win:early"],"computed_at":"2026-11-10T06:52:35Z"},"pay":{"stated_usd_annual":44292,"is_top_pay":false},"html_url":"https://alion.io/job/crypto-service-data-scientist-middle","json_url":"https://alion.io/job/crypto-service-data-scientist-middle.json","meta":{"generated_at":"2026-11-10T08:54:19Z","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":20645,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":719618},"rest":"https://alion.io/mcp/rest/get_company?id=719618"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcrypto-service-data-scientist-middle"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fcrypto-service-data-scientist-middle"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fcrypto-service-data-scientist-middle"},{"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/crypto-service-data-scientist-middle\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcrypto-service-data-scientist-middle"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4004200}},{"tool":"search_jobs","arguments":{"company":"crypto-service.ru","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4004200},"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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