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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

Data Engineer II - GCP Data Platform

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Employment
Full time
Team
Data Science & Analytics
Posted
27 Aug 2026

About the role

We are looking for a hands-on Data Engineer II with strong Google Cloud Platform experience to build scalable data pipelines, transformations, and reusable data-platform capabilities. You will work across data engineering and data platform engineering, independently delivering production-grade data products while contributing reusable components and engineering patterns that can be adopted across multiple teams and use cases. The role requires strong hands-on development skills and the ability to take a solution from design through implementation, testing, deployment, and production support.


Responsibilities:

  • Design, develop, and maintain production-grade data pipelines on Google Cloud Platform.
  • Build scalable batch and incremental data-processing solutions.
  • Develop complex transformations using BigQuery, SQL, and Dataform/dbt.
  • Build and maintain data-processing workflows using Cloud Composer / Apache Airflow.
  • Develop reusable transformation components, orchestration patterns, libraries, and templates.
  • Implement metadata-driven and configuration-driven processing where appropriate.
  • Build distributed data-processing solutions using Dataflow / Apache Beam and/or Dataproc / Spark.
  • Design data models for analytical and downstream data-product requirements.
  • Implement incremental and idempotent processing patterns.
  • Define and maintain schemas and data contracts.
  • Implement automated data-quality checks, validation, and reconciliation.
  • Capture and integrate metadata and lineage into data-processing workflows.
  • Optimize BigQuery queries and pipelines for performance and cloud cost.
  • Implement automated testing and integrate data workloads with CI/CD pipelines.
  • Build monitoring and operational controls for production pipelines.
  • Troubleshoot production issues and perform root-cause analysis.
  • Contribute to reusable data-platform capabilities and engineering standards.
  • Collaborate with data engineers, platform engineers, DevOps, architects, and business stakeholders.


Requirements:

  • 4+ years of hands-on data engineering experience building production data solutions.
  • Strong practical experience with Google Cloud Platform (GCP).
  • Strong hands-on experience with BigQuery.
  • Advanced SQL skills, including complex joins, CTEs, window functions, and query tuning.
  • Strong Python development skills for data processing, automation, and testing.
  • Experience developing production ETL / ELT pipelines.
  • Hands-on experience with Cloud Composer / Apache Airflow.
  • Experience with Dataform and/or dbt.
  • Experience designing batch and incremental processing pipelines.
  • Experience with Dataflow / Apache Beam or Dataproc / Spark / PySpark.
  • Strong understanding of data modelling, including normalization, denormalization, and dimensional modelling.
  • Experience working with large-scale datasets.
  • Experience with incremental and idempotent pipeline patterns.
  • Understanding of data contracts and schema evolution.
  • Experience implementing data-quality validation and reconciliation.
  • Understanding of metadata and data lineage.
  • Experience with Git, automated testing, and CI/CD.
  • Experience troubleshooting and supporting production data pipelines.
  • Ability to independently design solutions rather than only implement predefined specifications.


Technical Skills:

  • Cloud and Storage: Google Cloud Platform, BigQuery, Google Cloud Storage.
  • Transformation and Orchestration: Advanced SQL, Dataform / dbt, Cloud Composer / Apache Airflow, Data Processing, Dataflow / Apache Beam, Dataproc / Spark / PySpark.
  • Programming and Engineering: Python, Git, automated testing, CI/CD, monitoring, and troubleshooting.
  • Data Engineering Capabilities: ETL/ELT, batch processing, incremental and idempotent pipelines, data modelling, data contracts, data quality and reconciliation, metadata and lineage, query performance optimization, cloud-cost optimization, and reusable data-platform components.


Good to Have:

  • Experience with Apache Iceberg or modern lakehouse table formats.
  • Experience with streaming or event-driven processing.
  • Practical understanding of Data Product / Data Mesh principles.
  • Experience with metadata-driven or configuration-driven processing.
  • Experience with Change Data Capture.
  • Familiarity with Terraform / Infrastructure as Code.
  • Experience building reusable components used by multiple engineering teams.
  • Strong Interpersonal Skills.
  • Strong ownership mindset and ability to take engineering work through production.
  • Strong analytical, debugging, and problem-solving skills.
  • Ability to communicate technical decisions clearly.
  • Comfortable participating in design and code reviews.
  • Ability to collaborate with engineering and business stakeholders.
  • Ability to work independently while seeking guidance for complex architectural decisions.
  • Comfortable working within distributed and multicultural teams.

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