Data & BI Engineer

FlexIT Consulting GmbH

Data & BI Engineer role focusing on data architecture improvement at FlexIT Consulting GmbH. Engaging with BI processes and data warehousing in a structured environment.

Posted 7/9/2026full-timeDüsseldorf • 🇩🇪 GermanyMid-LevelSenior💰 €70,000 - €85,000 per yearWebsite

Tech Stack

Tools & technologies

ETLMS SQL ServerPySparkPythonSQLSSIS

About the role

Key responsibilities & impact

Critically review existing BI processes and solutions, identify weaknesses and improvement opportunities, and develop solution concepts
Bring order to heterogeneous data sources: consolidate and cleanly prepare data using Microsoft SQL Server BI tools
Actively participate in building and expanding the data warehouse and analytical models: migrate relational data into the DWH and continuously evolve underlying data structures and models
Investigate functional discrepancies in BI models; reconcile and ensure a consistent and reliable data foundation

Requirements

What you’ll need

Degree in (business) informatics/computer science or an equivalent qualification
Several years of practical experience in ETL/SSIS and in database development with T-SQL
Familiarity with concepts such as Kimball, star schema, OLAP, or Tabular
Initial experience with Microsoft Fabric, Power BI, or Python/PySpark is a plus but not required
Self-driven, analytical, and structured working style
Openness to new technologies and interest in professional development
German language skills at least at C1 level

Benefits

Comp & perks

Health management: subsidy for a sports club/gym membership, preventive health check-ups, and occupational health services
Outstanding employer: according to an internal employee survey, 83% of staff confirm a very good working environment characterized by fairness, flexibility, and social values
Communication at eye level: regular, interactive exchange with managers and the executive board within a flat-hierarchy environment
In-house academy: extensive onboarding and a wide range of training and development programs, including talent support and diversity initiatives
Family services: advisory services for flexible childcare and care of relatives
Team events: joint celebrations at summer parties, Christmas events, or carnival
All-round package: 30 days' vacation plus additional special leave days, modern technical equipment, free parking, bike leasing, and corporate benefits
Attractive compensation & working hours: fixed salary with performance-based bonus and employee share program, flexible working hours and the option for mobile/remote work to support a balanced work–life arrangement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

ETLT-SQLData WarehousingData ModelingOLAPStar SchemaKimballMicrosoft FabricPower BIPython/PySpark

Soft Skills

AnalyticalSelf-DrivenStructured Working StyleOpenness to New Technologies