Build and scale advanced UI systems: Design and implement core parts of our front-end architecture with a focus on performance, scalability, and maintainability
Develop interactive product experiences: Build a powerful UI that combines text editing, drag-and-drop slide editing, AI chat, and real-time collaboration
Own our design system: Develop and maintain a scalable component library, and build mechanisms to manage and apply customer-specific branding
Collaborate on product evolution: Work closely with product, design, and AI teams to shape features through rapid iteration and experimentation
Drive engineering excellence: Continuously improve front-end performance, developer experience, code quality standards, and testing practices

Entrepreneurial mindset with strong ownership, creative thinking, and a pragmatic approach to building and shipping solutions quickly
3–5 years of experience building modern front-end applications in SaaS, with strong experience in React, TypeScript, and scalable front-end architectures
Proven experience developing interactive UI systems (e.g. editors, design tools), incl. working with APIs and integrating front-end systems into complex backends
Experience building and maintaining design systems or component libraries, with a strong understanding of modern CSS approaches
Strong product sense and attention to detail, with a passion for building high-quality user experiences and a high bar for pixel-perfect UI/UX implementation
Residency in Berlin or the surrounding area
Fluency in English, our primary business language
Availability to start on short notice

Attractive compensation package including a competitive monthly salary and VSOP equity in a fast-growing AI startup
Flexible hybrid work model with two office days per week, complemented by regular team events
High level of ownership and creative freedom within a young, ambitious team, with the opportunity to help build a successful AI company from the ground up
Agile, output-driven work culture with minimal meetings, low administrative overhead tasks, and direct impact on the product
Early-stage startup exposure, including building and scaling core product functions while we onboard large enterprise customers

Senior Front-end Engineer – AI Startup

Key skills