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Senior Product Designer UX/UI (m/w/d) – Conversational & Agentic AI

Paidai Gmbh 🇺🇸 Hamburg, New York, United States of America

Hybrid Full-time Senior

You will lead the design and UX strategy for an agentic AI product, creating seamless experiences across chat, voice, and other digital channels. You will collaborate closely with product and engineering teams to translate user needs into functional, trustworthy, and scalable product concepts.

Responsibilities

  • Translate user needs and business goals into product concepts, user journeys, story maps and feature specifications
  • Plan and conduct user interviews, usability tests and concept validation, turning findings into roadmap recommendations
  • Design cross‑channel conversational experiences for chat, messenger, email, voice and notifications, deciding the right channel for each moment
  • Create and maintain the PAIDAI design system in Figma, including visual language, tone of voice and interaction patterns
  • Ensure design decisions flow into development through clear specs, components and rules, and review built features
  • Design consent, data‑sharing and transparency moments that meet GDPR and AI‑Act requirements
  • Collaborate closely with product, AI and engineering teams, testing ideas on the real product rather than static mock‑ups

Requirements

  • Minimum 5 years experience as a UX/UI or Product Designer, with responsibility for concepts or a whole product area
  • Strong portfolio showing end‑to‑end problem solving, from research to shipped product
  • Experience collaborating with product management using story mapping, prioritisation and hypothesis validation
  • Proficiency with Figma, design systems and component‑based design
  • Excellent written and spoken German (C1 level or higher)
  • Curiosity about AI‑driven products and willingness to work with AI agents
  • Experience in conversational, voice or multichannel design is a plus

Benefits

  • Purpose‑driven work empowering people in their careers
  • Opportunity to shape product and design of a fast‑growing AI startup
  • Hybrid work model – three days per week in a Hamburg office
  • Mentoring and regular professional development
  • Autonomous decision‑making and ownership of the design function

Key Skills

User Research Usability Testing Story Mapping Hypothesis Validation Cross‑functional Collaboration Design Systems Component‑Based Design Figma Interaction Design Conversational Design Multichannel Experience Design Voice UI Design Information Architecture Prototyping Wireframing Agile Methodology Design Thinking German (C1) English (fluent) Presentation Skills Mentoring

About Paidai Gmbh

PAIDAI – The Working Life AI. PAIDAI is building a new way for people to own, understand, and use their working-life data. Careers last a lifetime. Systems don’t. Work data is fragmented across jobs, platforms, and institutions — and rarely under individual control. PAIDAI exists to change that. As a People Tech company, we are creating the foundation for a personal, long-term Working Life AI. An AI that is grounded in trusted data, spans decades of work, and acts in the interest of the individual — not platforms or systems. PAIDAI is not HR tech, not fintech, and not another career tool. We build the missing layer between people, work data, and AI — designed for Europe, aligned with data rights, and built for continuity over an entire working life. Our approach combines data sovereignty, human-centric AI, and system-level thinking to enable individuals to reclaim their professional data, carry it across jobs and platforms, and turn it into lasting intelligence. We believe the futu

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