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# Data Engineer / Integration Engineer (CRM Fokus)

- **Company:** Siloy DACH GmbH
- **Location:** Germany (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Confluence, Data Architecture, Github, JSON, Python (Programming Language), Microsoft Dynamics, Node.Js, Salesforce.Com, SQL Databases, Extensible Markup Language (XML), Data Logging, ReactJS, Backend, Front End Software Development, Hubspot, Restful APIs, Webhooks
- **Published:** May 29, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=87dad76451903f1a

## About the Role

Für diese Position solltest du mind. 3 Jahre Berufserfahrung als Data Engineer (m/w/d) mit nachweislicher Projekterfahrung mitbringen.
Deutschkenntnisse auf mind. C1-Niveau und Englischkenntnisse auf mind. B2-Niveau sind zwingend erforderlich.

Technische Must-Haves:

 * Python (stark)
 * REST-APIs
 * Gängige Datenformate (JSON, XML, CSV)
 * Fehlerhandling, Retry-Logik, Logging
 * GitHub

ergänzend dazu ideal:

 * Node.js
 * React
 * Erfahrung mit CRM-Systemen (HubSpot, Dynamics, Salesforce) oder ERP-Systemen
 * Webhooks
 * SQL / Datenbankwissen

Softskills:

 * Eingeständiges Arbeiten im Projektgeschäft
 * Solide Kommunikationsfähigkeit für Projektabstimmungen
 * Flexibilität und Offenheit hinsichtlich der sich rasant entwickelnden IT-Landschaft
 * Pioniergeist im Bereich der KI

## Description

* Systemschnittstellen konzipieren und entwickeln (File-basiert: JSON, XML, CSV, XLSX; API-basiert: REST)
 * Datenmigrationen in Zielsysteme eigenständig planen und umsetzen (CRM wie HubSpot, Dynamics, Salesforce; ERP-Systeme und weitere)
 * Datenmapping und -transformation zwischen heterogenen Systemen
 * Fehlerhandling, Logging und Monitoring für robuste Integrationsprozesse
 * Custom Coded Workflow Actions in HubSpot entwickeln (Node.js)
 * HubSpot Serverless Functions entwickeln (Node.js)
 * HubSpot UI-Extensions entwickeln (Frontend React, Backend Node.js)
 * Technische Spezifikation und Dokumentation in Confluence


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