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Product Designer Senior H/F

Nexton đŸ‡«đŸ‡· Paris, France

Onsite Contract Senior

You will design high-performance user experiences for critical transaction flows and subscription journeys to optimize conversion rates. You will also collaborate closely with product managers, developers, and data teams to iterate on solutions based on user data and design system standards.

Responsibilities

  • Design fluid and high‑performing UX/UI for critical journeys like purchase tunnels, onboarding and subscription flows
  • Identify friction points and propose concrete solutions to improve conversion rates using A/B tests and data analysis
  • Participate in discovery phases: understand needs, analyze user behavior, define target journeys
  • Create high‑fidelity prototypes and support teams through production ensuring quality experience
  • Collaborate closely with Product Managers, developers and data teams to co‑create measurable solutions
  • Contribute to the design system creation, evolution and proper usage for consistency and scalability
  • Continuously test, learn and iterate based on user data to refine experiences

Requirements

  • Minimum 5 years of experience in Product Design
  • Strong expertise in transactional flows (e‑commerce, subscription, digital services)
  • Proficiency with design tools such as Figma and FigJam
  • Experience with data analytics, A/B testing, and agile environments
  • Ability to work autonomously, propose solutions and defend design decisions

Benefits

  • Dynamic community events and meet‑ups
  • Continuous training and professional development programs
  • Sport and social events
  • Sustainable mobility allowance
  • Modern smartphone provided

Key Skills

UX/UI design User research Conversion optimization A/B testing Data analysis Figma FigJam Prototyping Design systems Agile methodology User‑centered design Wireframing High‑fidelity mockups Cross‑functional collaboration Communication skills Problem‑solving Stakeholder management Product strategy Interaction design Usability testing

About Nexton

A digital transformation company, focused on developing Websites and Mobile Apps. We exist to help companies thrive. Our creatives, strategists, and developers are on a mission to exceed clients expectations and ensure business success. We’re a business that grows businesses.

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