I design products that users love and businesses can measure. With 3+ years transforming complex user problems into intuitive solutions across E-Commerce, Fintech, and Healthcare, delivering measurable impact like 15% user engagement increases and reduction in support tickets.
A Product Designer with 3 years of experience designing accessible and effective digital products across B2C(Marketplace), Fintech, E-Commerce and Healthcare sectors. Strong across full design process, from user research and ideation to prototyping and usability testing.
With a Master's in Human-Computer Interaction from UCD, I bring a research-backed approach to every project. My expertise spans e-commerce, marketplaces, and fintech platforms, with a particular passion for accessibility (WCAG 2.1) and AI-assisted design workflows. I don't just create beautiful interfaces I design solutions that users love and businesses can measure.
A selection of my recent work showcasing design process and outcomes
Led redesign of core shopping and delivery experience, simplifying checkout flows and introducing real-time order tracking. Result: Reduced the volume of support tickets from heavy weekly loads to a manageable level within six months.
Designed a dual-sided marketplace that made it easier for skilled service providers to be discovered, increasing daily visibility. Result: 15% increase in customer connection requests and app rating improved from 2.0 to 3.5 through iterative usability testing and progressive disclosure onboarding.
Supported design of multi-currency information architecture and intuitive crypto workflows for non-technical users. Collaborated with blockchain engineers to simplify complex transaction flows and improve usability for a global audience.
Master's level project designing a system to improve access to mental health records in Ireland. Applied Human-Computer Interaction principles, AI Ethics, and Advanced UX Research Methodologies with strong emphasis on accessibility and human-centred design.
Designed a comprehensive data management platform focusing on simplifying complex data interactions. Applied user-centered design principles to create intuitive interfaces that improve user workflows and reduce cognitive load in data-heavy environments.
Kona is a cross-border mobile payment app that allows users to send and receive money internationally using only their local currency. For example, a user in Nigeria can send money in naira (NGN), while the recipient in the United States receives the funds instantly in USD or USDT, without needing a domiciliary account.
Led improvement of core shopping and delivery experience for SomaGifts, starting with understanding where users were getting confused and what slowed them down during checkout. Redesigned key flows aligned with WCAG standards and simplified steps to complete key tasks.
Designed a dual-sided marketplace that made it easier for skilled service providers to be discovered, increasing their daily visibility and contributing to a 15% rise in customer connection requests.
Supported senior designers in creating responsive layouts and simplifying complex transaction flows. Assisted in structuring multi-currency information architecture to improve usability for a global audience.
"Kosisochukwu is an exceptionally talented product designer with a strong ability to blend user-centric design with business goals. I have worked with her and she is a proactive, collaborative team player who consistently delivers high-quality results on time. I highly recommend her for any product design role. Her creativity, attention to detail, and strategic thinking are invaluable."
"I had the pleasure of working closely with Kosi on a mobile app project, where she worked on the UX design. She stood out as someone who truly understands users and designs with both empathy and purpose. Beyond her strong design skills, Kosi was an incredible team player. She collaborated seamlessly with developers and product stakeholders, always open to feedback "
"I have been privileged to lead product design teams that included Kosi on two occasions and I can confidently say that Kosi is a fantastic designer who is always eager to learn and execute. Kosi is hardworking, solution-oriented and a team player. She would definitely be a great addition to any team she's a part of."
Specialised coursework: AI Ethics, Interaction Design, Cognitive Psychology, Research Methods, and Real-world Design Projects.
Focus areas: Accessibility Design, Human-Centred AI, and Advanced UX Research Methodologies.
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your team.
Dublin, Ireland | Available for remote work