Karabo Mabusela

Senior Product Architect (Engineer × Product Strategist × Systems Designer) - Turning complex user data into intuitive, actionable products.

City of Johannesburg, Gauteng, South Africa

About

I’m a Senior Product Architect with an uncommon blend of product design, systems architecture, and hands-on engineering. I design, architect, and build intelligent products that use AI, machine learning, and big data to turn complex problems into simple, useful, human-centered experiences. Over the past few years, I’ve worked across fintech, media streaming, and data-driven platforms in South Africa. At MTN MoMo, I collaborate with cross-functional teams to create fintech solutions for mobile money and digital financial services. I help clients build products that use machine learning, AI, and data analytics to inform better product decisions. My strength lies in bridging design and code. I do not only create wireframes and interfaces. I architect full product experiences and bring them to life. I build AI-powered workflows that accelerate ideation and iteration, craft advanced prompts and custom tools, and ensure every solution is usable, accessible, elegant, and grounded in real user needs. This hybrid approach allows me to turn complex data and AI capabilities into intuitive products that help users make better decisions. It also helps me create effective human-AI collaboration, where generative AI becomes a creative partner while strong product thinking, design scrutiny, and engineering discipline remain central. I also develop prompt libraries, evaluation frameworks, and adaptive design systems that help teams move faster without sacrificing quality. I’m especially passionate about products at the intersection of design, engineering, AI, and big data, particularly in fintech, media, Cyber, enterprise tools, and data-intensive platforms. If you’re building ambitious intelligent products in South Africa or globally, and need someone who can design them, architect them, and build them, let’s connect.

Experience

  • Senior Product Designer at MoMo from MTN
    Nov 2025 - Present · 8 mos

    • Collaborating with cross-functional teams to develop innovative fintech solutions for Africa's largest mobile network. • Focused on creating products and services tailored to the unique needs of the African market. • Engaging in continuous improvement processes to enhance product functionality and user experience.

  • Senior Product Engineer at HumanInsights.Africa
    Nov 2025 - Present · 8 mos

    • Collaborating with clients to develop innovative products leveraging machine learning, AI, and data analytics. • Designing and implementing data-informed strategies to enhance product performance and user experience. • Engaging in continuous learning to stay updated on industry trends and emerging technologies.

  • Lead Product Designer at DVT
    Jun 2023 - Nov 2025 · 2 yrs 6 mos

  • Senior UX Designer On DStv Stream at DStv
    Jul 2023 - Jul 2025 · 2 yrs 1 mo

    • Championed exceptional UX for DStv Stream 2.0 across mobile apps, web, and TV interfaces. • Drove collaboration with cross-functional teams to create seamless user journeys from wireframes to QA. • Instituted data-informed research to refine prototypes and validate design hypotheses. • Developed pattern libraries and design systems, fostering a culture of innovation and excellence.

  • Sr. Product Designer at Uluntu
    Jun 2022 - May 2023 · 1 yr

    • Spearheaded user experience strategy and design for digital products at Uluntu Financial Technology. • Collaborated with cross-functional teams to create user-centric and innovative digital experiences. • Developed comprehensive UX design systems, including user research and prototyping. • Mentored fellow designers and advocated for user-centered design across the organization.