Data Engineer at Mentor Talent Acquisition
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

04 Dec, 26

Salary

0.0

Posted On

05 Sep, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Industry

Information Technology & Services

Description

About the job


We are looking for a Data Engineer who enjoys building reliable data pipelines. You will helpdesign and operate scalable ELT processes that power analytics, reporting, and core productfeatures. You are comfortable working with Python, SQL and AWS, understand modern data architecture patterns, and care about data quality, performance, and maintainability.

Your responsibilities● Design, build and maintain scalable ELT pipelines.● Implement and operate data workflows using AWS (Lambda, Step Functions, S3, Batch, etc.).● Contribute to the evolution of our Data Platform architecture (Medallion architecture).● Ensure data quality, consistency, and reliability across pipelines.● Optimize data transformations for performance and cost efficiency.● Collaborate with Backend and Frontend Engineers and Product to define data requirements.● Monitor pipelines, troubleshoot issues and improve observability.● Document data models, transformations and architecture decisions.

Your skills● Strong Python skills for data processing.● Experience building ETL/ELT pipelines in production environments.● Solid experience with AWS (especially Lambda, Step Functions, S3).● Understanding of Medallion Architecture.● Strong SQL skills and experience with dimensional data modeling.● Experience working with structured and semi-structured data (JSON, CSV, Parquet, APIs).● Understanding of data validation and data quality practices.● Experience with Git and CI/CD.

Nice to have● Experience with columnar databases (e.g. ClickHouse, Redshift, BigQuery).● Familiarity with infrastructure-as-code (e.g. Terraform).● Experience with Docker.

Responsibilities
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