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

Hey! Are you looking for an exciting new challenge as a Senior Full-Stack Marketing Engineer , working at the intersection of website, web app, marketing and growth ? Then we might have exactly the right opportunity for you. 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. What we’re building Our focus is on creating simple and intuitive experiences through modern UX/UI, automation, and AI-powered assistance , combined with support from our tax coaches. As a Senior Marketing Engineer , you will play a key role in helping us scale our acquisition through improvements in the acquisition funnel from the website into the web app. You will be the main contributor to launch new growth experiments with high potential growth impact. Why we do it The feedback from our users motivates us every day, with messages like this: “Simply WOW! Super easy to use and it makes the complicated world of taxes understandable. I was able to upload all my invoices with just a few clicks and send them directly to the tax authority. You’ve gained a fan!” How we work Curious about how we think and build products? Watch here: https://www.youtube.com/watch?v=tjCnEERVuqk Tasks As a Senior Full Stack Marketing engineer you work closely with the marketing team on growth experiments & improve the 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 Maintain a scalable, high-performance website Manage and extend the WordPress-based marketing website Mentor our internal Junior Frontend Engineer Implement and maintai