Senior Full-Stack Engineer for Marketing / Growth (m/w/d)

About the Company

At Accountable, we help freelancers and self-employed professionals manage their taxes easily — without bureaucracy or complicated forms. Our mission is to make the future of independent work simple and accessible.

Behind Accountable is an international team with offices in Berlin and Brussels, working together with a lot of passion and curiosity to build products that truly make a difference.

Responsibilities

• Manage and extend the WordPress-based marketing website
• Mentor our internal Junior Frontend Engineer
• Maintain a scalable, high-performance website
• Build impactful experiments on the user onboarding flow from the website into the web app
• Implement A/B testing frameworks
• Optimise the tracking infrastructure & conversion event management
• Implement and maintain integrations with tools such as GA4, Firebase, Adjust, Meta ads SDK

Requirements

• 3+ years of full-stack development experience
• Senior-level WordPress expertise (WPML, PHP, ACF, custom theme), Tailwind and JavaScript
• Junior-level front-end and back-end engineering skills, comfortable with React, Node.js, MongoDB, and TypeScript
• Proficient in English (spoken and written)

Benefits

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