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Salary
≈ $26k – $55k per year (Estimated)
Location
Remote (EAEU)
Seniority
Middle · 3+ years exp

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 25, 2026.

Overview
Company
Impact
Profile match
Headquartered in Saint Petersburg (with primary operations extending across Moscow and the broader Russian market), Avrora Digital (operating as Aurora Digital / Aurora Digital Solutions) is a full-cycle digital agency and IT services company specializing in web development, custom software engineering, and digital marketing. The agency provides end-to-end digital solutions covering high-load website and e-commerce development, custom web applications, browser-based CRM and internal portal development, mobile applications, and enterprise workflow integrations (including 1C platforms and automated bot ecosystems). Complementing its engineering capabilities with brand identity design, UI/UX prototyping, SEO, and performance marketing (such as Yandex Direct campaigns and lead-generation funnels), Avrora Digital serves B2B companies, manufacturing and logistics firms, retail enterprises, and commercial brands seeking to establish a strong online presence, modernize internal operational workflows, and scale digital sales channels.

ML-инженер (рекомендательные системы)

Мы развиваем рекомендации и персонализацию в продукте с миллионами пользователей: ленты, подборки, поиск и ранжирование выдачи. Рекомендательная система уже работает в проде, и мы ищем инженера, который будет растить её качество и продуктовые метрики.

Если ты умеешь не только обучить модель ранжирования, но и доказать её эффект в A/B-тесте - ждём тебя.

Обязанности

  • Развивать многостадийную рекомендательную систему: кандидатогенерация, ранжирование, реранкинг;
  • Обучать и улучшать модели: коллаборативная фильтрация (ALS, implicit), two-tower, бустинги для ранжирования (CatBoost, LightGBM), sequential-модели;
  • Решать проблемы холодного старта, разнообразия и популярности в выдаче;
  • Строить фичи и пайплайны данных на больших объёмах (Spark, Airflow);
  • Выводить модели в production и следить за их качеством;
  • Оценивать качество: офлайн-метрики (NDCG, MAP, Recall@K, coverage) и онлайн A/B-тесты;
  • Генерировать продуктовые ML-гипотезы и проверять их вместе с аналитиками.

Требования

  • Уверенный Python и SQL;
  • Опыт разработки рекомендательных систем или поискового ранжирования в продакшене;
  • Знание подходов: коллаборативная фильтрация, learning to rank (pointwise, pairwise, listwise), эмбеддинги;
  • Опыт с бустингами (CatBoost, LightGBM, XGBoost) и PyTorch;
  • Опыт работы с большими данными: Spark / PySpark, Hadoop;
  • Опыт проведения и анализа A/B-тестов;
  • Git, культура код-ревью;
  • Опыт от 3 лет.

Будет плюсом

  • Опыт с sequential-рекомендациями: SASRec, BERT4Rec;
  • Опыт ANN-поиска: FAISS, HNSW;
  • Опыт с CTR-моделями и рекламным ранжированием;
  • Применение LLM в рекомендациях и поиске;
  • Английский для чтения документации и статей;
  • Профильное техническое образование.

Условия

  • Удалённо или гибрид;
  • ДМС;
  • Бонусы и премии по результатам;
  • Оформление по ТК РФ;
  • Компенсация спорта;
  • Обучение за счёт компании, участие в конференциях.
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