Own and evolve a customized HubSpot environment
Configure and maintain Custom Objects, Association Labels, Pipelines, and Properties across a complex, multi-object data model
Build and maintain complex workflows including Custom Code Actions (JavaScript), cross-object property sync, and multi-level approval chains
Develop and maintain custom-built React-based UI Extensions (CPQ tool, deal configuration, link cards) deployed via HubSpot Serverless Functions
Develop and maintain an external HubSpot CMS-based Partner Portal with membership logic, visibility rules, and HubDB-driven content
Support and extend API integrations with external systems (ERP, LMS, support tools, AI services) via Operations Hub and custom code
Maintain technical documentation for configurations, custom code, and integrations

Several years of professional experience working deeply within the HubSpot ecosystem
Strong experience with HubSpot CRM configuration (Custom Objects, Associations, Workflows, Properties)
Proficiency in HubSpot CMS development (HubL, JavaScript, CSS, Custom Modules, HubDB)
Solid React.js skills (for HubSpot UI Extensions / CRM Extensions)
Experience with HubSpot Serverless Functions and the HubSpot API (v3/v4)
Strong JavaScript skills across the board (Custom Code Actions, frontend, integrations)
Experience with API integrations and Operations Hub
Proficiency with Git-based development workflows
Understanding of CPQ processes, approval logic, and quote generation
Fluent in English
Nice to Have: German language skills
Experience with AI integrations (OpenAI API, automated enrichment)
HubSpot certifications (Solutions Architect, CMS Developer, or similar)
Experience integrating HubSpot with legacy ERP/CRM systems

Senior HubSpot Platform Engineer

Key skills