Frontend Developer, CRO & Experimentation

This is a fully remote position, open to applicants in Germany.

📋 Description

• Execute A/B and multivariate testing in Kameleoon utilizing JavaScript (ES6+), HTML5, and CSS3.

• Create and enhance sections, templates, and snippets within the Shopify theme using Liquid, HTML5, CSS3 (SCSS), and JavaScript.

• Integrate successful test variations into the primary codebase.

• Develop Shopify Functions, Metafields, and Metaobjects, and implement integrations through the Admin API and webhooks.

• Ensure proper event and goal configuration and facilitate data transfer to GA4 and BigQuery.

• Conduct QA tests across various browsers, devices, and markets.

• Monitor performance and stability with an emphasis on flicker, layout shifts (CLS), and loading times.

• Clearly document code for traceability.

• Utilize AI tools for code generation, review, debugging, and documentation purposes.

• Participate in agile processes with Git, including pull requests and code reviews.

• Assist with deployments via CI/CD (e.g., GitHub Actions).

• Collaborate with the CRO lead, web development team, and external agencies.

• Take on technical ownership of the experimentation setup as you gain experience.

⛳️ Requirements

• At least 2–4 years of frontend development experience in an e-commerce setting.

• Ideally, have experience with Shopify / Shopify Plus.

• Strong expertise in JavaScript (ES6+), HTML5, CSS3 (SCSS), and Liquid.

• Familiarity with A/B testing tools such as Kameleoon, VWO, or Optimizely, or a strong desire to learn quickly.

• Understanding of Shopify Functions, Metafields / Metaobjects, Admin API, and webhooks.

• Experience with AI-assisted coding tools (e.g., Claude, GitHub Copilot, Cursor).

• Basic knowledge of web analytics and tracking, especially GA4 and the data layer.

• Awareness of performance metrics and Core Web Vitals.

• Proficient in using Git, conducting code reviews, and working with CI/CD pipelines (e.g., GitHub Actions).

• Detail-oriented work style with a focus on high-quality standards.

• Excellent communication skills, team spirit, and a proactive approach.

• Willingness to evolve towards technical ownership of the experimentation setup.

• Permanent residence in Germany is required.

🏝️ Benefits

• 100% remote work within Germany.

• Up to 90 days of mobile work from EU countries per year.

• Flexible working hours.

• 30 days of paid vacation annually.

• Company pension plan based on ETFs.

• Access to professional coaching, sessions, and resources through OpenUp.

• Employee discount on NATURTREU products.

• Summer and Christmas company events.

• Opportunities for professional and personal development.