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Senior designer - UX

Job in London, Greater London, W1B, England, UK
Listing for: ION
Full Time, Contract position
Listed on 2026-02-17
Job specializations:
  • IT/Tech
    Digital Media / Production, UI/UX Design
Job Description & How to Apply Below

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The Role

ION is seeking a creative and motivated Senior UX Designer to join our dynamic team in London.

As a Senior UX Designer, you will translate user insights into engaging and intuitive user experiences. We are looking for a strong UX designer who is qualified, with 4-6 years experience, who is eager to learn and enjoys the challenge of creating UX for complex B2B products.

You will collaborate with Lead designers, product managers, and developers to create functional and visually appealing features that meet both our customers' and business needs.



Key Responsibilities

  • Conduct user research and gather insights to inform design decisions.
  • Create wireframes, prototypes, and user interface designs.
  • Deliver design projects from concept to completion. You will be expected to lead some projects or initiatives.
  • Collaborate with cross-functional teams to ensure a seamless user experience.
  • Participate in usability testing and iterate on designs based on feedback.
  • Mentor junior designers and provide guidance on best practices and processes.
  • Stay updated with the latest design trends and tools.
Required Skills, Experience And Qualifications

  • 4-6 years experience in UX design.
  • A portfolio of work you can share and present.
  • Good knowledge of Figma.
  • Solid knowledge of creating prototypes and conducting usability testing.
  • Strong communication and presentation skills.
  • Ability to work independently and manage multiple projects.
  • An eagerness to learn and grow in a fast-paced environment.
  • Preferred:
  • Experience in designing complex applications.
  • Experience in Banking and finance.
  • Experience with other design and research software e.g:
    Miro, Adobe XD Dovetail…
  • UX research experience and techniques.
  • Stakeholder management
About ION

We’re a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we’ve achieved tremendous growth by bringing together some of the best and most successful financial technology companies in the world.

Over 2,000 of the world’s leading corporations, including 50% of the Fortune 500 and 30% of the world’s central banks, trust ION solutions to manage their cash, in-house banking, commodity supply chain, trading and risk.

Over 800 of the world’s leading banks and broker-dealers use our electronic trading platforms to operate the world’s financial market infrastructure.

ION is a rapidly expanding and dynamic group with 13,000 employees and offices in more than 40 cities around the globe,

Our ever-expanding global footprint, cutting edge products, and over 40,000 customers worldwide provide an unparalleled career experience for those who share our vision.

ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business.

ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.

Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Full-time
Job function
  • Job function

    Design, Art/Creative, and Information Technology
  • Industries Software Development

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Position Requirements
10+ Years work experience
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