Senior HubSpot Developer

Quadro Consulting was founded in 2014 in Bonn, Germany. We have been successfully delivering IT solutions to long-term clients across various industries, including Dating, Gaming, Payments & Finance, Printing & Marketing, Education, and many more.

We are looking for an experienced Senior HubSpot Developer to join our team and work on international digital projects, building scalable HubSpot solutions across websites, CRM, marketing automation, and integrations.

This role is a great fit for someone who is comfortable owning HubSpot solutions end-to-end, from understanding business requirements and designing the right technical approach to development, integration, testing, and optimization.

What you’ll be working on

Develop and customize solutions within HubSpot CMS / Content Hub , including themes, templates, modules, landing pages, and reusable components

Build and maintain custom HubSpot functionality using HubL, HTML, CSS, and JavaScript

Design and optimize HubSpot CRM architecture , including properties, objects, pipelines, forms, lead lifecycle, and data structures

Build and maintain complex workflows, lead scoring, routing, and marketing automation

Develop and maintain integrations between HubSpot and third-party platforms using APIs, webhooks, and automation tools

Support website migrations and implementation projects within the HubSpot ecosystem

Work with tracking and analytics solutions such as GA4 and Google Tag Manager

Troubleshoot complex issues related to CRM data, workflows, integrations, tracking, and website functionality

Translate business and marketing requirements into scalable technical solutions

Collaborate directly with clients and internal teams throughout discovery, implementation, and optimization

Ensure solutions are maintainable, well-structured, performant, and easy for marketing teams to use

What we’re looking for

Strong hands-on experience with HubSpot , particularly HubSpot CMS / Content Hub and CRM

Experience developing custom HubSpot themes, templates, and modules

Working knowledge of HubL

Strong knowledge of HTML, CSS, and JavaScript

Experience working with HubSpot APIs, webhooks, and third-party integrations

Hands-on experience with HubSpot workflows and marketing automation

Good understanding of CRM architecture, lifecycle stages, lead management, and data flows

Experience with website migrations, CMS architecture, and technical troubleshooting

Familiarity with GA4, Google Tag Manager , and web tracking concepts

Ability to understand business requirements and turn them into practical technical solutions

Strong problem-solving mindset and ability to independently investigate complex technical issues

Experience working directly with clients and cross-functional teams

Strong English communication skills

Nice to have

Experience with Operations Hub

Experience with custom-coded workflow actions and advanced HubSpot automation

Knowledge of HubSpot CLI and modern development workflows

Experience with tools such as n8n, Make, or Zapier

Experience with Salesforce or other CRM/MarTech platforms

Experience with WordPress, Webflow, React, or Next.js

Understanding of technical SEO, Core Web Vitals, and website performance

Experience working with international or DACH-region clients

HubSpot certifications

What we're offering:

Private health care.

Paid sick leave.

Main and additional equipment.

Social events.

Opportunity to apply your skills and learn new ones.

Possibility of B2B cooperation.

If you’re interested to hear more about our company and this project, please feel free to apply. We would be happy to meet you and give all the necessary info about this role!

Only shortlisted candidates will be contacted