Rebuilding MyStoneX - Unifying 40+ Digital Products into a Scalable Ecosystem

Stonex | 2024 - Present

Enterprise redesign and consolidation of 40+ fragmented digital products into a unified financial ecosystem serving retail, commercial and institutional clients. Co-Led design direction, scaled the UI team and owned onboarding across web and mobile.

Design System - Building a system that aligns product, brand and delivery

Stonex | 2024 - Present

Scalable cross-platform design system spanning web and mobile, built on semantic token architecture and structured governance processes, evolved from initial foundations into a full-scale system enabling dark mode, multi-theme support and long-term scalability.

Platform Refresh - Legacy Trading Platforms

Stonex | 2023 - 2024

Full visual refresh of legacy trading platforms (Forex.com & CityIndex), including comprehensive UI audit and reconstruction of structured component libraries, establishing a unified visual foundation across brands, devices and theme environments.

About

Senior Product Designer leading complex digital platforms within structured enterprise environments. I operate across product, engineering and business to align strategic direction with practical execution, ensuring design decisions scale beyond individual features.

My responsibilities extend beyond interface design. I contribute to system architecture, establish governance standards and support the growth of design teams operating within high-stakes, multi-team initiatives. I focus on creating clarity in complex environments — defining direction, reducing fragmentation and enabling consistent delivery across products.

Maksymilian Kaczorowski

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I approach design as an organisational capability, not just a craft discipline. This includes shaping scalable foundations, mentoring designers and driving alignment across cross-functional stakeholders.

Balancing hands-on execution with leadership responsibility, I prioritise structured systems, transparent decision-making and sustainable product development. My goal is to ensure that design operates with intention — supporting both business objectives and long-term platform scalability.

Expertise

Core focus areas defining how I design, lead and scale complex digital platforms — from foundational systems and governance to cross-functional execution and team development.

Expertise

Core focus areas defining how I design, lead and scale complex digital platforms — from foundational systems and governance to cross-functional execution and team development.

enterprise platform design

Designing scalable, multi-segment ecosystems operating across complex domains.

Design Systems & Governance

Establishing structured foundations enabling consistency and long-term scalability.

Complex Workflow Architecture

Structuring high-density operational and financial flows with clarity.

End-to-End Delivery Leadership

Driving initiatives from concept through engineering alignment and implementation.

Cross-Functional Product Alignment

Aligning product, engineering and business stakeholders across multi-team initiatives.

team Development & Mentorship

Scaling design capability through standards, guidance and operational structure.

Maksymilian Kaczorowski, Senior Product Designer at StoneX, leading design initiatives and building scalable design teams across complex digital products.

Rebuilding MyStoneX - Unifying 40+ Digital Products into a Scalable Ecosystem

Design System - Building a system that aligns product, brand and delivery

Platform Refresh - Legacy Trading Platforms

Expertise

Expertise

Experience

Expertise

contact@maksymiliankaczorowski.com