Senior Data Engineer

Madfish; Deutschland; Vor Ort; EUR 60.000 - 90.000; Vollzeit

Zusammenfassung

A leading data solutions company is seeking a Senior/Middle Data Engineer to support the migration of legacy SQL Server data warehouse to a Snowflake environment. Responsibilities include building data pipelines, refactoring ETL jobs, and optimizing cloud data processes. Ideal candidates will have strong SQL and cloud data technologies expertise. This role offers a competitive salary and flexible working options.

Leistungen

Flexible working format

Competitive salary

Personalized career growth

Professional development tools

Education reimbursement

Corporate events and team buildings

Qualifikationen

• Experience with cloud data warehouse technologies.
• Solid SQL skills and migration experience.
• Familiarity with ETL frameworks like SSIS or dbt.

Aufgaben

• Build data pipelines to migrate data to cloud environments.
• Refactor legacy ETL jobs for cloud use.
• Optimize performance and costs of cloud data processing.

Kenntnisse

Cloud data warehouse technologies

SQL skills

ETL frameworks and tools

Python programming

Communication skills

Tools

Snowflake

AWS S3

SSIS

dbt

Jobbeschreibung

Position Overview:

As a Senior/Middle Data Engineer, you will support the migration of legacy on‑premises SQL Server data warehouse to a cloud-based Snowflake environment. The project involves integrating various data sources, refactoring ETL processes, and ensuring efficient, reliable data movement for analytics and reporting.

Responsibilities:

• Build and modify data pipelines to migrate data from SQL Server and other databases (Azure SQL, Oracle, Aurora) to AWS S3 and Snowflake.
• Refactor legacy ETL jobs (SSIS, Transact‑SQL) for use in cloud environments.
• Implement data transformations and staging using dbt and/or similar tools.
• Optimize the performance and costs of cloud data processing and storage.
• Work collaboratively with client’s and N‑iX engineers, ensuring smooth handoff and documentation.
• Participate in QA, testing, deployment, and post‑migration validation.

Must‑Have Technologies

• Experience with cloud data warehouse technologies, including Snowflake and AWS S3.
• Solid SQL skills; experience migrating legacy environments to cloud platforms.
• Familiarity with ETL frameworks and tools (preferably SSIS, dbt).
• Proficiency in Python for data pipeline development and automation.
• Strong documentation and communication skills; able to work in cross‑functional teams.

Nice to have:

• Prior experience in large‑scale data migration projects.
• Background working with varied database platforms (SQL Server, Oracle, PostgreSQL, MySQL).
• Knowledge of reporting platforms such as Looker is a plus.

We offer:

• Flexible working format - remote, office‑based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location‑specific benefits

*not applicable for freelancers