CareerPlan

Senior UX Developer (m/w/d)

Hannover, NIEDERSACHSENFull-time2026-05-06 → 2026-11-10
Hybrid

Core

Designing and implementing modern, responsive, and accessible user interfaces for enterprise applications while migrating legacy systems.

Role type

Senior Frontend Developer (Enterprise Software)

Builds

Reusable UI components, widgets, and internal UI frameworks

Domain

Enterprise Software, Legacy Modernization

Deliverable

product features

Required skills

Java, UI Architecture (Vaadin, Web Components), AI-assisted code analysis, Reverse Engineering, Refactoring, API Development, Performance Optimization, Accessibility, Responsive Design

Preferred skills

Experience with Swing/JavaFX, Component Library Architecture, Technical Conception

Technologies

Java, Vaadin, Web Components, AI tools

Responsibilities

Develop and implement modern, responsive, and accessible user interfaces; Analyze existing legacy code; Develop reusable UI components and widgets; Create and maintain frontend templates and script-based solutions; Optimize performance, rendering, and client-server communication; Ensure usability, accessibility, and browser compatibility; Conduct code reviews and quality assurance.

Seniority

Senior, hands-on IC