machine learning engineer for rewards platform

Enfint

Greater London

On-site

GBP 90,000 - 130,000

Full time

3 days ago
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Job summary

Enfint ищет ML-инженера в Лондоне для разработки и поддержки production ML-моделей, которые напрямую влияют на вовлеченность пользователей и доходы компании.

Ваша работа будет заключаться в переводе бизнес-задач в чёткие ML-формулировки, построении обучающих пайплайнов и обслуживании онлайн-моделей, а также участии в разработке и оптимизации инфраструктуры для продакшен-использования моделей.

Qualifications

  • Опыт внедрения production ML-моделей от идеи до эксплуатации (end-to-end).
  • Опыт работы с конвейерами данных, моделями и онлайн-сервисами (live serving).
  • Сильная база статистики: A/B тесты, регрессия, теория вероятности.
  • Ориентация на бизнес-эффект и элегантность решений, высокая пригодность к масштабу.

Responsibilities

  • Разрабатывать и внедрять production ML-модели, влияющие на вовлеченность пользователей и доходы компании.
  • Преобразовывать сложные бизнес-задачи в конкретные ML-формулировки.
  • Строить и оптимизировать структуры вознаграждений и выплат, учитывая стоимость и рекламную ценность.
  • Диагностировать и исправлять неэффективные кампании вознаграждений и находить корневые причины.
  • Участвовать в проектировании и реализации core ML-инфраструктуры, включая пайплайны обучения и живое обслуживание моделей.

Job description

Описание

The company operates a bootstrapped rewards platform with 80 million users and has been profitable since day one. Its machine learning models directly influence user engagement and company earnings.

Задачи
  • Design and ship production machine learning models that directly impact user engagement and company earnings
  • Translate complex mathematical business problems into concrete ML formulations
  • Build and optimize reward and payout structures, balancing user motivation with cost sustainability and advertiser value
  • Diagnose and troubleshoot underperforming reward campaigns, identifying root causes and implementing solutions
  • Contribute to the design and implementation of core ML infrastructure, including training pipelines and live model serving
Требования
  • Hands-on experience shipping production ML models end-to-end
  • Experience working across data pipelines, models, and live serving
  • Strong grounding in statistics, including A/B testing, regression, and probability
  • Motivation by business impact as well as technical elegance, with a focus on high-leverage solutions
  • Willingness to build ML infrastructure alongside the team rather than only use existing systems
  • Nice to have: causal inference or uplift methods
Условия

London, England, United Kingdom.

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