Callista Group AG
1 week ago
Senior Data Engineer (Azure Databricks)
Sign up to save this job, get alerts, and apply with an optimized CV.
Company information
- Company
- Callista Group AG
- Location
- Frankfurt, Hessen, Germany Germany
- Posted
- 1 week ago
Job description
For our client, an insurance company in the greater Frankfurt am Main area, we are looking for two experienced Data Engineers as part of the setup of a new dispositional data platform (Lakehouse) based on Microsoft Azure and Databricks. You will build the data pipelines from the source systems to the core model, taking technical lead in the implementation. You will work in tandem with client employees and actively share your Databricks know-how.
Tasks
Connection of source systems and external service providers (Delta deliveries, files, APIs) as well as a CRM system, including automated loading processes
Development of ETL/ELT pipelines with Delta processing, error handling, and traceable restart procedures
Implementation of duplicate cleansing and merging of customer and broker data
Implementation of the core data model with historization along the Medallion architecture (Databricks, PySpark, SQL)
Implementation of data quality rules, validation routines, monitoring, and alerting
Provision of exports and feedback loops to operational systems (e.g., campaign selections for CRM)
Involvement in development pipelines and CI/CD, roles and permissions, Data Catalog, and Lineage
Documentation, runbooks, and knowledge transfer in tandem with the client team
Requirements
Several years of experience as a Data Engineer, ideally in building data warehouse or lakehouse solutions
Very good knowledge of Databricks, PySpark/Spark, SQL, and Delta Lake
Practical experience with Databricks Workflows or Azure Data Factory and other Azure data services
Experience in data modeling and historization (Data Vault and/or dimensional modeling)
Knowledge of Git, CI/CD, and automated testing of data pipelines
Experience with AI-supported development (e.g., coding assistants, agentic workflows) is an advantage
Experience with source systems and data in the insurance sector is an advantage
Enjoyment of knowledge transfer and collaboration in a mixed team
Databricks or Azure Data Engineer certification is an advantage
Fluent German and good English skills
General Framework Conditions
Workload: 100%
Start: Beginning of November 2026
Duration: until March 31, 2027, with an option for extension (follow-up phases planned until the end of 2028)
Work location: Greater Frankfurt am Main area (Germany)
Onsite/Remote: High onsite presence in the first 2–3 months (3–4 days per week), then approx. 2 days onsite, the rest remote
Client interview: Availability for interviews with the client at the end of October 2026
Find Jobs in Germany on Arbeitnow
Required skills
- databricks
- english
- german
- automated testing
- ci/cd
- monitoring
- sql
- etl
- data modeling
- crm
- insurance
- git
- data engineer
- spark
- azure
- microsoft azure
- delta lake
- data quality
- pyspark
- data pipelines
- azure data factory
- alerting
- dimensional modeling
- elt
- knowledge transfer
- data vault
- lakehouse
- medallion architecture
- databricks certification
- azure data engineer certification
- historization
- delta processing
Interested in this position?
Create your free account and tailor your CV to match this job.