Frontend Engineer (React / TypeScript) gesucht in Braunschweig

• Own and evolve the gauss. chat frontend architecture built with React and TypeScript
• Design scalable UI structures and enforce clean modular boundaries in a growing codebase
• Integrate with modern authentication flows (OAuth, aws cognito, JWT)
• Implement real-time communication using WebSockets and Server-Sent Events (SSE) for streaming AI insights and robotics state updates
• Integrate deeply with backend services via REST APIs (Axios), streaming endpoints, and asynchronous workflows
• Develop high-performance 3D visualization components using Three.js and Meshcat for robotics simulation and system feedback
• Optimize rendering performance and responsiveness in real-time and 3D-heavy contexts
• Expand and maintain a reusable UI system using Material-UI (Joy) and Tailwind CSS
• Contribute to frontend testing strategy (unit + end-to-end) and enforce high code quality (ESLint, Prettier)
• Collaborate with backend, AI, and robotics engineers on architectural decisions and product direction
• Continuously identify and improve technical weaknesses in the frontend stack

• Professional experience building frontend systems with React and TypeScript (typically 3+ years)
• Strong understanding of frontend architecture and modular state management
• Experience with real-time systems (WebSockets, SSE, streaming updates)
• Solid grasp of performance optimization in modern frontend applications
• Familiarity with authentication and RBAC systems
• Experience integrating REST APIs and handling complex asynchronous flows
• Preference for clean abstractions, maintainability, and long-term code health
• Comfortable working in an evolving startup environment with impactful responsibility
• Good communication skills in English

Nice to Have

• Experience with Three.js, Meshcat, or other 3D/WebGL technologies
• Experience building AI-powered or developer-centric applications
• Experience contributing to or maintaining a UI design system
• Interest in robotics, simulation, and hardware-integrated systemsExperience mentoring others or influencing frontend architecture

• Real Ownership & Impact - You'll own a core subsystem of a deep-tech product
• Technical Depth - Work on real-time, AI-integrated, and 3D visualization challenges
• Continuous Learning - Access to professional learning platforms and technical courses
• Choose Your Setup - Select your preferred device and operating system
• Flexible Work Model - Flexible working hours and hybrid work options
• Mobility Support - Jobrad/bike leasing or public transportation benefits
• Health & Wellbeing - Flexible gym membership or capital-building benefits; fresh fruit and soft drinks in the officeCompetitive Salary - Aligned with experience and responsibility

We are in a high-growth product phase and need engineers who want ownership, impact, and technical challenge.

If you enjoy architecting systems, engaging with real-time data and 3D interfaces, and working at the intersection of AI and robotics, we'd love to hear from you.