Hybrid Senior Full-Stack Engineer – Marketing, Growth

Posted 54 minutes ago

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About the role

  • Senior Full-Stack Marketing Engineer improving website and acquisition funnel for tax app. Focused on growth experiments and website performance in a hybrid team.

Responsibilities

  • As a Senior Marketing Engineer, you will play a key role in scaling our acquisition efforts by improving the website and the acquisition funnel.
  • You will be the primary contributor responsible for launching new growth experiments with high potential impact.
  • Manage and extend the WordPress-based marketing website.
  • Mentor our Junior Frontend Engineer.
  • Maintain a scalable, high-performance website.
  • Build impactful experiments for the user onboarding flow from the website into the web app.
  • Implement A/B testing frameworks.
  • Optimize the tracking infrastructure and conversion event management.
  • Implement and maintain integrations with tools such as GA4, Firebase, Adjust, and Meta Ads SDK.

Requirements

  • Full-Stack Development: 3+ years of professional experience.
  • WordPress expertise: Senior-level experience with WordPress development (WPML, PHP, ACF, custom themes), Tailwind CSS, and JavaScript.
  • Front-end & Back-end: Comfortable working with React, Node.js, MongoDB and TypeScript.
  • Language skills: Proficient in English (written and spoken).
  • Nice to have: Hands-on experience integrating analytics and marketing platforms.
  • Web performance & SEO: Understanding of page speed optimization, Core Web Vitals, and technical SEO.
  • Additional tech: Experience with React Native is a plus.

Benefits

  • An international, highly motivated team of professionals.
  • Long-term perspective with opportunities for growth and promotion.
  • Excellent working conditions with flexible hybrid work options.
  • Team events and offsites across Europe.
  • Opportunities for exchange with our Brussels office.
  • Steep learning curve with significant ownership and responsibility.
  • Clear career path.
  • A dynamic and creative working environment.
  • The opportunity to contribute to a product that adds real value for freelancers.
  • Urban Sports membership for fitness and wellness.
  • €100+ monthly net lunch allowance.
  • Full coverage of the Deutschlandticket for public transport.

Job title

Senior Full-Stack Engineer – Marketing, Growth

Job type

Experience level

Senior

Salary

€55,000 - €65,000 per year

Degree requirement

Bachelor's Degree

Location requirements

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