Senior Frontend Developer (JavaScript, Shopify)

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📍 Cologne, North Rhine-Westphalia, GermanyFull time

About this role

We’re working with a data-driven e-commerce growth agency and they’re looking for a Senior Frontend Developer.

About the Company:

  • Specialized in A/B testing and conversion rate optimization
  • Focus on scaling Shopify-based e-commerce brands
  • Culture built on: Ownership, Respect, High Standards, and Team Spirit

What You’ll Do

  • Develop and implement complex A/B tests in live Shopify environments
  • Take ownership of the frontend domain and technical decisions
  • Mentor and support junior developers
  • Provide accurate effort estimations and contribute to planning
  • Ensure high QA standards across releases
  • Communicate directly with clients on technical topics

Ideal Profile

  • Proven Shopify experience (beyond basic landing pages)
  • Confident in client-facing technical discussions
  • Able to lead, mentor, and make decisions independently
  • Proactive and comfortable in a fast-paced environment
  • 4+ years experience in Frontend Development (Senior level)
  • Strong skills in HTML, CSS, JavaScript
  • Solid experience with Shopify (themes, sections, live environments)
  • Working knowledge of jQuery and Git
  • Experience delivering production-ready code for real clients
  • Comfortable owning timelines and managing scope
  • Interest in AI-assisted development (e.g. Copilot, Cursor)
  • Flexible working model: Office, hybrid, or fully remote
  • 30 days vacation + 3 additional regional holidays
  • MacBook Pro + professional setup from day one
  • Extras: Workations, team events, €30/month benefit voucher

Frequently Asked Questions

Is the salary disclosed for the Senior Frontend Developer (JavaScript, Shopify) position at Avomind?
The salary for this Senior Frontend Developer (JavaScript, Shopify) role at Avomind is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Frontend Developer (JavaScript, Shopify) position at Avomind located?
This Senior Frontend Developer (JavaScript, Shopify) role at Avomind is based in Cologne, North Rhine-Westphalia, Germany. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Frontend Developer (JavaScript, Shopify) role at Avomind full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Frontend Developer (JavaScript, Shopify) role at Avomind.
How do I apply for the Senior Frontend Developer (JavaScript, Shopify) position at Avomind?
Click the "Apply Now" button on this page. You will be redirected to Avomind's official application portal hosted on workable where you can submit your application directly.
When was the Senior Frontend Developer (JavaScript, Shopify) job at Avomind posted?
This Senior Frontend Developer (JavaScript, Shopify) position at Avomind was posted on May 4, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Frontend Developer (JavaScript, Shopify)
Avomind
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