(Senior) Fullstack Engineer (F/M/*)

As a (Senior) Fullstack Engineer at Amber Group, you develop our AI platform end to end, from user interface to backend services. You shape modern, intuitive user experiences while contributing to backend and API work, ensuring all components work reliably together. You join Europe's largest AI startup in Aachen, building business AI solutions that make a real difference in the daily work of thousands of people.

What you'll do

• Develop and improve user interfaces using Vue.js and Nuxt.js, ensuring intuitive usability, responsive design, and reliable frontend performance
• Implement features across the full stack and integrate RESTful APIs in close collaboration with product and backend teams
• Contribute to backend service development, including work on interfaces and asynchronous data processing
• Write clean, well-tested, and maintainable code in both frontend and backend
• Participate in architectural decisions and help evolve development tools and conventions
• Identify performance bottlenecks and implement appropriate improvements across the platform
• Conduct code reviews, support less experienced developers, and share knowledge with the team
• Take ownership of important features and support the team during critical releases
• Drive continuous improvement of code quality and team collaboration

What you bring

• Multiple years of software development experience with strong frontend development skills
• Practical experience with Vue.js and Nuxt.js, and excellent knowledge of JavaScript (ES6+), HTML5, CSS3, and SCSS/SASS
• A solid understanding of responsive design, accessibility, and cross-browser compatibility
• Experience with RESTful APIs, authentication processes, and asynchronous data handling
• Backend development experience, with Node.js knowledge being an advantage
• Familiarity with Git-based workflows, CI/CD pipelines, agile methodologies, and modern frontend tools like Webpack or Vite
• Applied knowledge of testing best practices and tools such as Jest, Cypress, or comparable frameworks
• A good eye for UI/UX and a collaborative approach to working with product and design teams
• Reliability in seeing tasks through to completion and taking ownership of your work
• Enjoyment in supporting and mentoring less experienced developers
• Fluent English and German
• Ambition and willingness to prioritize the team's goals over individual ego

What we offer

• Team offsites twice yearly across Europe, as you work with an international team
• Attractive compensation plus company equity so you directly benefit from the company's success
• Opportunities to expand existing skills and learn new ones
• Professional development through training and autonomy in your work
• Hybrid work model with three in-person days per week at one of our locations
• Your choice of either a subsidized Deutschland-Ticket or Urban Sports Club membership
• Work with a motivated team dedicated to making AI solutions accessible to mid-market companies
• State-of-the-art technologies and tools

About Amber Group

Amber Group is Europe's largest AI startup in Aachen, building business AI solutions that help mid-market companies make internal knowledge immediately actionable through intelligent agents and shared context layers.