Senior UX Designer

StoneX Group; Cape Town; On-site; ZAR 800 000 - 1 000 000; Full time

Job summary

A leading financial services firm is seeking a Senior UX Designer in Cape Town to oversee the UX strategy and execution for websites and digital marketing. This permanent position involves working closely with marketing teams to create effective, user-centered designs. Ideal candidates will have extensive UX design experience, familiarity with Figma and Sketch, and the ability to drive user research initiatives. The role offers a hybrid working model with four days in the office, fostering collaboration and creativity.

Qualifications

• Extensive UX design experience, ideally within complex digital ecosystems or high-traffic websites.
• Expertise in user-centered design methodology, UX research, interaction design, and conversion-focused optimization.
• Proven experience designing for large-scale websites, responsive experiences, and marketing funnels.

Responsibilities

• Lead the strategy, research, and execution of UX across websites and digital marketing journeys.
• Create and refine concepts, wireframes, prototypes, and high-fidelity UX deliverables.
• Conduct user research and gather insights for decision-making.
• Develop clear design documentation, including user flows and navigation.
• Participate in usability testing and A/B testing to validate solutions.

Skills

User-centered design methodology

UX research

Interaction design

Conversion-focused optimization

Figma

Sketch

Stakeholder influencing

Analytics knowledge

SEO considerations

A/B testing

Tools

Figma

Sketch

Job description

Overview

Permanent, full-time, 4 days per week in office

Connecting clients to markets – and talent to opportunity.

With 4,500+ employees and over 300,000 commercial, institutional, payments, and retail clients, we operate from more than 70 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.

Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.

Responsibilities

Position Purpose: We are seeking an experienced Senior UX Designer to lead the strategy, research, and execution of UX across our websites and digital marketing journeys. Working within a cross-functional marketing team, you will shape user experience direction, guide complex UX initiatives, and champion best practice across our global digital estate.

This role combines hands-on design with strategic influence, leadership, and collaboration, ensuring our marketing experiences are user-centered, effective, and commercially impactful.

Primary duties will include:

• Partner with marketers, developers, content specialists, and fellow designers to create and refine concepts, wireframes, prototypes, and high-fidelity UX deliverables for websites and marketing journeys.
• Contribute to user research and insight-gathering activities, helping ensure decisions are informed by data and user behavior.
• Develop clear design documentation including information architecture, navigation structures, user flows, and interaction patterns across our marketing platforms.
• Participate in or help facilitate usability testing and A/B testing to validate solutions and optimize performance.
• Support continuous refinement of user journeys, ensuring they remain logical, seamless, and aligned with marketing goals.
• Collaborate closely with developers to support implementation and maintain design quality.
• Stay informed about UX best practice, tools, accessibility standards, and digital marketing trends, proactively contributing fresh ideas.

Qualifications

To land this role you will need:

• Extensive UX design experience, ideally within complex digital ecosystems or high-traffic websites.
• Expertise in user-centered design methodology, UX research, interaction design, and conversion-focused optimization.
• Advanced proficiency with Figma, Sketch, or similar tools.
• Proven experience designing for large-scale websites, responsive experiences, and marketing funnels.
• Strong communication and stakeholder-influencing skills, with the ability to articulate design reasoning clearly.
• Experience working with analytics, SEO considerations, and experimentation frameworks (e.g., A/B testing).
• Experience in financial services or similarly regulated industries is desirable but not essential.

Working environment:

• Permanent, full-time, 4 days per week in office.