Senior Frontend Developer (m/f/d)

About The Job

We are looking for an experienced Senior Frontend Developer (m/f/d) in the international e-commerce environment. In this key role, you will take on both the strategic and hands-on responsibility for developing and optimising customer-facing platforms, ensuring a seamless, modern, and high-performance user experience across web and mobile.

With your expertise, you will design and implement frontend solutions that make it easy and inspiring for customers to engage with our products. At the same time, you will work closely with backend, product, and design teams to ensure scalability, performance, and innovation — driving the evolution of our e-commerce platform and supporting international growth.

In This Role, You’Ll:

• Design, develop, and maintain scalable frontend components using Vue.js, TypeScript, Tailwind CSS, and Vite
• Provide technical guidance and mentorship to other developers within the team
• Take ownership of conceptual and architectural work for frontend projects
• Write and review unit tests to ensure high-quality and reliable code (TDD is a strong plus)
• Build and maintain API clients for seamless integration with backend systems
• Monitor frontend error logs and performance metrics to proactively improve applications
• Debug, test, and continuously optimise frontend components
• Drive continuous improvements in usability, accessibility, and performance
• Collaborate closely with Product, Design, and Tech teams to deliver a consistent and engaging customer experience

Your Profile

• 6+ years of professional experience in writing modern JavaScript and TypeScript
• Strong expertise with Vue.js 
• Proven experience with Vite as a modern frontend build tool
• Deep knowledge of state management libraries such as Pinia or Vuex
• Advanced knowledge of CSS, including confident use of utility-first frameworks like Tailwind CSS
• Solid background in writing unit tests and applying testing best practices
• Strong conceptual and architectural skills with the ability to shape technical approaches
• Excellent problem-solving skills and a proactive mindset in suggesting and implementing improvements
• Very good communication skills in English (German is an advantage but not required)

Please note that we are looking for support in the Stuttgart office of our portfolio company. Eligibility to work within the EU is required as well.

Benefits And Perks

• Short decision-making processes, open communication, and room to implement your own ideas
• Exciting responsibilities in an innovative and international working environment
• A modern workplace in the center of Stuttgart with excellent transport connections
• A variety of team events as well as internal training and professional development opportunities
• Fresh fruit, smoothies, and sponsored lunch three times a week – including TGIF barbecues on the 300 sqm terrace
• Corporate benefits: attractive special conditions from renowned manufacturers and brands

If you’re eager to join the A11 Ecosystem and shape what’s next, we want to hear from you!

Our Commitment To Diversity And Inclusion

A11 is committed to diverse and equal opportunities hiring for all – applicants, candidates, and employees alike. We value humans – with all our glorious multifaceted backgrounds, perspectives, and experiences – and look forward to your application.