Senior Frontend Engineer React / Next.js (m/w/d)
Core
Building and maintaining central customer journeys (login, account management, billing, payments) and self-service functions for a digital energy platform across web and mobile.
Role type
Senior Frontend Engineer (React/Next.js)
Builds
Web and mobile customer experience for energy billing and self-service
Domain
Energy / Utilities
Deliverable
product features
Required skills
React, Next.js, TypeScript, Component Architecture, Performance Optimization, Accessibility, API-first platforms, Authentication flows, CI/CD, AI-driven development workflows
Preferred skills
GraphQL, React Native, PWA, Flutter, White-label product development
Technologies
Next.js, React, TypeScript, Zod, GraphQL, React Native, Claude Code, Cursor, Windsurf
Responsibilities
Develop and improve customer experiences on a modern digital platform; Build and maintain central customer journeys; Ensure seamless cross-device functionality; Collaborate on mobile app experiences in React Native; Integrate frontend applications with API-driven backends; Apply schema-based type validation; Ensure performance, accessibility, and quality across browsers and devices; Contribute to frontend standards and CI/CD processes; Utilize AI agents for code generation and strategic reviewing.