Senior Product Designer

Designing products that make complexity easier to understand.

Currently designing complex digital products across mobile, desktop and internal platforms at IG Group.

Over the last five years, I’ve worked across fintech, B2B SaaS and complex technical products — from discovery and research through interaction design, prototyping and delivery.

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Capabilities

Product & UX Design

Product Design · UX Design · UI Design · Interaction Design · Information Architecture · Complex Workflows · Data-heavy Interfaces · Internal Tools · B2B SaaS · Fintech Products · HMI / Technical Interfaces

Research & Discovery

User Research · User Interviews · Usability Testing · Card Sorting · Product Discovery · Competitive Analysis · Behavioural Analysis · Problem Definition · Concept Validation

Systems & Delivery

Design Systems · Responsive Design · Responsive Web · Mobile Design · iOS · Android · Desktop Design · Accessibility · WCAG · High-fidelity UI · Wireframing · Prototyping · Developer Handoff · Design Documentation · Cross-functional Collaboration · Stakeholder Collaboration

AI & Tools

Figma · Figma Make · Hotjar · Claude · AI-assisted Design · Rapid Prototyping · AI-assisted Concept Exploration

Case Studies

FintechMobileResearch

IG Investments

Mobile-first investment experience for a global fintech platform.

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Desktop GUIHMIAI-assisted

MBX Flux

Desktop GUI for real-time control and monitoring of complex magnetic field systems.

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SaaSResearchDesign Systems

NapoleonCat

Redesigning Publisher and Inbox workflows for a social media management SaaS platform.

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FintechInternal ToolsUX Research

IG Internal Platform

Redesigning a complex internal operations platform to make financial and customer-support workflows clearer, more efficient and easier to manage.

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FintechInternal ToolsComplex Workflows

Dealer App

Designing a complex internal trading tool with dealers and engineers — turning dense workflows, dependencies and operational risk into a clearer product experience.

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Selected Experience

IG Group · Product Designer

Product designer working across customer-facing mobile and desktop products as well as complex internal platforms. Led design for core iOS and Android trading experiences, contributed to responsive desktop products, and redesigned internal tools supporting trading, operations and customer service. My work spans product discovery, user research, interaction and UI design, design systems and delivery, in close collaboration with product, engineering, compliance and legal.
MobileiOSAndroidDesktopInternal ToolsComplex WorkflowsDesign SystemsResearchAccessibility

NapoleonCat · Product Designer

Embedded product designer in a cross-functional squad. Responsible for end-to-end design across new features and workflow redesigns — from discovery through to production handoff.

Led research with power users and leveraged AI throughout the design process to accelerate ideation, streamline iterations and shorten the path from concept to developer-ready deliverables.

SaaSWorkflow DesignDesktopDesign System

MBX · Product Designer

Independent product designer leading the end-to-end design of a complex platform for magnetic field management. Navigated a highly specialised domain, translating technical concepts into intuitive user experiences while leveraging AI-assisted workflows to accelerate exploration, iteration and decision-making.
Complex DomainSystems ThinkingAI-Accelerated Workflow

Contact

Let's Build
Better Products

Open to conversations about product design, complex systems and meaningful digital experiences.

Whether you’re hiring, collaborating, or simply want to connect, feel free to reach out.

Email

karolina.kubisiowska@gmail.com

LinkedIn

Karolina Kubisiowska

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