Data engineer for customer loyalty apps

Q-Tech; Barcelona; Hybrid; EUR 56,000 - 61,000; Full time

Benefits offered by this job

Private health insurance

Remote work allowance

Wellbeing benefits

Flexible benefits package

Job summary

Q-Tech в сотрудничестве с крупной европейской технологической компанией ищет Data Engineer для инновационной команды в области Marketing & Communications. Вы будете работать над одним из крупнейших приложений лояльности в Европе, обрабатывая массивы данных клиентов и транзакций для сегментации и персонализированных кампаний.

Ваша роль: проектирование и поддержка конвейеров обработки данных (пакетная и стриминговая обработка), оптимизация хранилищ (SQL/NoSQL), создание Marketing Data Layer и

Qualifications

• Опыт работы Data Engineer на больших наборах данных.
• Опыт разработки пайплайнов на Python и SQL.
• Опыт Databricks и Airflow, Spark, Kafka, Kubernetes, Hive.
• Знание SQL Server и NoSQL БД (MongoDB, ELK, Cassandra).
• Опыт Agile; ответственность и автономность.

Responsibilities

• Проектирование, разработка и поддержка пайплайнов пакетной и потоковой обработки.
• Оптимизация решений для больших объемов данных клиентов и транзакций.
• Разработка Marketing Data Layer для маркетологов.
• Преобразование аналитических данных в операционные наборы данных для сегментации.
• Обеспечение качества данных, производительности, управляемости.
• Сотрудничество с Data Engineers, Software Engineers и бизнес-стейкхолдерами.
• Участие в AI-подходах, ML и аналитике.

Skills

Data engineering

Python

SQL

English (B2)

Agile

Tools

Databricks

Airflow

Spark

Kafka

Kubernetes

Hive

SQL Server

MongoDB

ELK

Cassandra

MLflow

Scikit-Learn

Pandas

.NET

Job description

Описание:

From Q-tech, we are collaborating with a large European technology company, part of a leading international retail and distribution group, that is looking for a Data Engineer to join a highly innovative squad within the Marketing & Communication domain. You'll work on one of the company's most strategic products: one of the largest customer loyalty apps in Europe, with over 130 million users, managing massive-scale customer and transactional data to power advanced segmentation, personalized campaigns and data-driven decisions across countries.

Задачи:

• Design, develop and maintain scalable batch and real-time data pipelines.
• Build and optimize data solutions for very large volumes of customer and transaction data.
• Develop and maintain the Marketing Data Layer used by marketers across countries.
• Transform analytical data into operational datasets for segmentation and campaign execution.
• Ensure data quality, performance, governance and reliability.
• Collaborate with Data Engineers, Software Engineers, Product Owners and business stakeholders; support other squads as needed.
• Contribute to AI-powered marketing products, advanced analytics, and ML solutions where relevant.
• Identify actionable insights from customer behavior and purchasing patterns.

Требования:

• Strong experience as a Data Engineer with large-scale datasets.
• Advanced Python and SQL.
• Experience with Databricks and Airflow Big Data frameworks: Spark, Kafka, Kubernetes, Hive.
• Relational (e.g., SQL Server) and non-relational databases (e.g., MongoDB, ELK, Cassandra).
• Experience designing robust, scalable data pipelines; knowledge of modern data architectures and data operations.
• Agile experience; strong problem-solving mindset and autonomy.
• Fluent English (minimum B2).
• Будет плюсом: ML tools: Scikit-Learn, Pandas, Spark ML, MLflow;
• Data Science workflow knowledge;
• experience with AI-related initiatives;
• Retail/customer-centric business experience;
• marketing analytics, segmentation or CRM data experience;
• Experience with customer/transaction/behavioral data at scale;
• Infrastructure deployment / DevOps knowledge;
• .NET experience

Условия:

• Salary: €56,000 – €61,000 base
• Flexible benefits package (~€3,700 net/year)
• Private health insurance
• Remote work allowance (1-2 days office/week)
• Wellbeing benefits