We are currently migrating our entire infrastructure from self-hosted systems to a modern SaaS architecture
Data migration: extract relevant data from our mirrored Shopware database (BigQuery)
Data cleansing (duplicates, formats, edge cases)
Mapping and transfer into the HubSpot data model (Contacts, Deals/Orders, Products, Line Items)
Intelligent deduplication (email as match key to prevent duplicate contacts)
Development of import scripts using the HubSpot API (batch imports, rate limits, error handling)
Validation and reconciliation
Thorough documentation of all scripts, mappings and processes
Ensuring and improving data quality in LearnWorlds & HubSpot
Building and maintaining reporting and dashboard structures
Implementing new integrations between our SaaS tools (API connections, automations)
Evolving our data model to meet new requirements

Excellent SQL skills — complex JOINs across relational databases are standard for you
Experience with BigQuery or comparable cloud data warehouse systems
Experience with ETL processes and data migrations
API experience (HubSpot preferred) or the ability to quickly get up to speed with REST APIs
Scripting experience (Python, Node.js or similar)
Structured, clean working style including documentation
Very good German and English language skills
Residence in Germany

A motivated, young team that grows together and supports you in achieving your goals
Constructive, respectful feedback that helps you grow professionally and personally
100% remote — work where you feel most comfortable
Legendary team trips & regular team events that create real highlights
An innovative environment where you can shape things instead of just executing tasks
Trust in you as a person — autonomy instead of micromanagement
Colleagues who support each other, not just work together

Data Engineer, Data Migration Specialist

Key skills