Data Engineer - Automation & Innovation Department

Data Engineer - Automation & Innovation Department

Miejsce pracy: Warszawa

Technologies we use

Expected

• Python
• GitLab

Operating system

• Windows
• Linux

About the project

You will join a diverse, international team of data professionals working across multiple countries. In this role, you will collaborate with both local experts and international colleagues to build a unified, high-performance data infrastructure. We are looking for a Data Engineer who enjoys solving complex integration challenges and wants to have a real impact on how our organization uses data globally.

Your responsibilities

• Build and maintain data ingestion processes from various sources into the Data Lake.
• Design, develop, and optimize complex data pipelines for reliable data flow.
• Build, develop, and maintain frameworks that facilitate the construction of data pipelines.
• Implement end-to-end testing frameworks for data pipelines.
• Collaborate with data analysts and scientists to ensure the delivery of quality data.
• Ensure robust data governance, security, and compliance practices.
• Explore and implement emerging technologies to improve data pipeline performance.
• Utilize and integrate data from various source system types, including Kafka, MQ, SFTP, databases, APIs, and file shares

Our requirements

• Minimum 3 years of experience in a Data Engineering role.
• Practical experience with Cloud (preferably GCP) services, including BigQuery, Dataflow, Google Cloud Storage (GCS), Data Catalog, and dbt.
• Advanced SQL proficiency, including writing complex queries, query optimization, Common Table Expressions (CTEs), window functions, and related advanced SQL techniques.
• Python coding skills (experience with Pandas and NumPy is a plus)
• Experience working with Apache Airflow for pipeline orchestration, workflow automation, monitoring, data quality validation, alerting, and troubleshooting.
• Experience with Apache Spark, Hadoop, and Hive for large-scale data processing.
• Experience designing, developing, testing, maintaining, and optimizing ETL/ELT pipelines for batch and streaming data processing, including Apache Kafka, API-based data ingestion.
• Experience designing and implementing data integration solutions, data warehouse architectures, data models, and data layers to support analytics and reporting.
• Experience implementing and maintaining CI/CD pipelines and using GitLab for version control and technical documentation.
• Experience working in Agile/Scrum
• Good command of English.

Optional

• Bachelor’s or Master’s degree in Data Science, Statistics, Computer Science, Economics, or a related field.
• Basic understanding of Machine Learning and MLOps principles
• Strong understanding of data governance principles, including metadata management and data quality frameworks.
• Experience in international or multi-country data projects is preferred.
• Strong communication skills to translate technical findings into business-oriented insights.
• Self-starter with a continuous learning mindset and strong attention to detail.

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance
• flexible working time
• corporate products and services at discounted prices
• mobile phone available for private use
• no dress code
• parking space for employees
• employee referral program
• charity initiatives

Recruitment stages

• Wyślij swoje CV
• Spotkaj się z przyszłym liderem/ liderką zespołu :)
• Witaj w T-Mobile :)

T-Mobile

Jesteśmy firmą technologiczną, a naszym celem jest tworzenie innowacyjnych rozwiązań dla klientów indywidualnych i biznesowych.

W T-Mobile wszyscy żyjemy w świecie magenta! Kolor ten jest nam bliski, bo oznacza wiarę w powodzenie podejmowanych działań, pewność siebie i wytrzymałość. Właśnie tacy jesteśmy jako zespół.

W #MagentaTeam stawiamy na wymianę doświadczeń, zwinną pracę i szybko adaptujemy się do zmian! #MagentaTeam to jednak przede wszystkim mix różnych kompetencji i doświadczeń, osobowości, temperamentów i poglądów. Właśnie w tej różnorodności widzimy naszą największą siłę.

Wszystkie informacje o przetwarzaniu danych osobowych w tej rekrutacji znajdziesz w formularzu aplikacyjnym, po kliknięciu w przycisk "Aplikuj Teraz".