Romina Mirzaei
UI/UX Designer, Graphic Designer
I’m a UI/UX and Graphic Designer who transforms complex ideas into clear, meaningful experiences through thoughtful, human-centred design.
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All projects in this portfolio represent real, ongoing professional work addressing real business challenges.
I follow a structured design process, from research and problem definition to design, prototyping, testing, and launch.
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Design with Measurable Impact
Featured Work
I specialize in transforming complex challenges into simple, intuitive user experiences that deliver measurable impact for both users and businesses. For scalable products and larger projects, I also develop UI kits, component libraries, and design systems to ensure consistency, efficiency, and long-term maintainability across digital platforms.
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The case study below demonstrates how I apply Human-Centred Design in practice, showcasing my end-to-end process, from initial ideation to final implementation.
MoodMach
Role: Product Designer (UI/UX)
& Concept Creator
Web & App | UI Kit Development
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​Led the end-to-end design of a mood-tracking application, conducting user research and defining the MVP experience from concept to launch. Developed wireframes, high-fidelity prototypes, and a scalable UI kit to ensure visual consistency across the product. Validated solutions through usability testing and optimized interactions to help users better understand emotional patterns and build healthier habits.
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OnTyme
UI/UX Design
Web & App
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Designed the user experience for a scheduling and service management platform aimed at improving appointment coordination and operational efficiency. Conducted user research, developed wireframes and high-fidelity prototypes, and optimized user flows through usability testing to streamline booking and time-management processes. Built a scalable design system, including reusable UI components, typography, and visual assets, to ensure consistency, efficiency, and long-term product scalability across the platform.
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Peekage
UX/UI Design
App
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Redesigned key experiences for a consumer insights platform by conducting UX research and usability analysis to identify workflow challenges. Created wireframes and high-fidelity prototypes to optimize platform navigation and improve usability for brands managing product testing and sampling campaigns.
Farnoush Darou
Role: UI/UX & Visual Designer
Web
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Designed a corporate pharmaceutical website focused on making complex medical information clearer and more accessible for healthcare stakeholders. Translated research insights into intuitive information architecture, wireframes, and high-fidelity prototypes that improved usability and content navigation. Established a foundational UI kit, defining typography, color usage, and reusable interface elements to support visual consistency and enable efficient scaling as the platform grows.
Avideh
Role: UI/UX & Art Director
Web
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Designed the website for an advertising and marketing agency, translating brand strategy into an engaging digital experience. Conducted research and developed wireframes and high-fidelity prototypes, while designing interaction patterns and motion behaviours to enhance usability, visual storytelling, and overall user engagement. The UI design closely followed the established brand style and design system, ensuring visual consistency while extending it into digital components and interface patterns.
BodyFuel
Role: UI/UX & Visual Designer
Website Redesign
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Led the redesign of an e-commerce mattress platform, improving product discovery and purchasing flows through research-driven design. Developed wireframes and high-fidelity prototypes, conducted usability testing, and optimized the shopping experience across desktop and mobile platforms.
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Signal To Follow
Role: Product Designer
Web
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Designed the user experience for a stock trading platform, transforming complex financial data into intuitive interfaces. Applied research, wireframing, and high-fidelity prototyping to optimize access to trading signals and improve usability for everyday investors.
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Palood Dairy
Role: Branding & UX/UI Design
Web
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Led end-to-end brand and website design, developing the logo, visual identity, and digital experience. Conducted research, created wireframes and high-fidelity prototypes, and optimized the website to effectively showcase products and strengthen brand presence.
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Offcut Shades
Roll: Graphic & UX/UI Design
Website Redesign
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Designed and optimized digital experiences for a custom window treatment brand through continuous UX research and usability improvements. Developed wireframes and high-fidelity prototypes to enhance navigation, product exploration, and overall online engagement.
