About

Designing intuitive products, end to end.

A seasoned UX/UI designer with 9+ years across Fintech, Logistics, Edu-tech, and E-sport. I work the full design lifecycle, from concept to deployment, and have driven a 50% boost in user satisfaction and contributed to 30% company growth. I pair user-centred design with emerging technology, and I am known for collaboration, clear communication, and aligning product vision with business goals.

Experience

  1. 2024 to Present

    Senior Product Designer

    Sabi

    Leading design across a $38M-backed B2B platform serving 300,000+ African merchants. Own the end-to-end experience for two core products: TRACE (commodity exchange) and Loft (logistics).

    • Redesigned TRACE's core commodity trading flow, helping the platform scale from early pilots to 20,000+ tons exported monthly across 3 continents.
    • Designed Loft end to end: merchant onboarding, fleet tracking, and delivery dashboards adopted by 200+ logistics partners.
    • Led the visual redesign of core merchant workflows, reducing average task completion time by ~25% and cutting design-to-dev handoff by ~30%.
  2. Jan 2024 to Feb 2026

    Lead Product Designer

    Lingawa (formerly TopSet)

    Sole designer for a Techstars-backed edtech startup. Built the design function from zero, shipped the consumer mobile app, and led a full rebrand that accompanied a $1.1M pre-seed raise.

    • Built the Lingawa design system from scratch: 60+ components, semantic tokens, and WCAG AA foundations across mobile and web.
    • Designed the Lingawa mobile app end to end, from wireframes to prototyping to final UI, now live on both the App Store and Google Play Store.
    • Led the TopSet to Lingawa rebrand: new visual identity, logo system, illustration style, and brand guidelines deployed across all surfaces.
    • Established Lingawa's UX research practice, conducting user interviews with diaspora learners that directly shaped the core learning flow.
  3. Dec 2021 to 2024

    UI/UX Lead Engineer

    Kobo360

    Directing the design of a global logistics operating system, fuelling platform adoption and business expansion through user-centred methodologies and cross-functional collaboration.

    • Championed user-centred design, leading research through interviews, surveys, and competitive analyses.
    • Pioneered a holistic design system, expediting prototyping and ensuring consistent brand representation.
    • Bridged functional requirements and design solutions, cutting project delivery time by 15%.
  4. Jan 2023 to Mar 2024

    Senior Product Designer · Contract

    Hydrogen Pay

    Led design solutions that grew engagement and retention, refining the product interface across web and mobile.

    • Designed the API portal: a developer-facing guide for smooth integration with the HydrogenPay payment solution.
    • Designed an intuitive POS interface, accelerating transaction times and improving the payment experience.
    • Built a dispute-resolution & reconciliation portal, reducing conflicts and streamlining operations.
    • Architected the Poseidon design system for consistent UI across all Hydrogen web and mobile apps.
  5. Nov 2021 to Jun 2022

    Senior Product Designer

    ggCircuit

    Drove design for an esports product suite, lifting satisfaction and engagement across the platform.

    • Led design for Omega, ggLeap, ggRock, and EGL Arcade, lifting user satisfaction by 25%.
    • Orchestrated a website overhaul, cutting bounce rates by 40%.
    • Ran user research, translating insights into design that improved core-task efficiency.
    • Built a design system unifying the visual identity across the product suite.
  6. May 2019 to Oct 2021

    Senior UI/UX Designer

    Kobo360

    • Delivered interfaces and wireframes that improved user engagement by 20%.
    • Aligned design with business objectives across teams, raising goal conversions by 10%.
    • Maintained an evolving set of design patterns, elevating consistency and comprehension.
  7. Nov 2018 to Apr 2019

    UI/UX Designer

    Kobo360

    • Developed MVP designs instrumental in securing over $80M in investor funding.
    • Managed the design and maintenance of all digital assets, increasing satisfaction ratings by 25%.
    • Established communication channels with developers and stakeholders, improving workflow efficiency by 20%.

Certifications

  • UI/UX Designer Professional Certification Uxcel · 2024
  • UI Designer Professional Certification Uxcel · 2024
  • Strategic Innovation Hydrogen Pay · 2022
  • Google UX Design Google · 2021
  • Product Management Product School · 2021
  • UI/UX Design Thinking Uxcel · 2020
  • Product Design Udacity · 2019

Education

Federal University of Technology, Minna

Mechanical Engineering (B.Eng.)

Nov 2011

Contact

Let's work together

Have a product, a role, or an idea you want to move on? Tell me a little about it and I'll get back to you within a couple of days.

Opeyemi Ajagbe

Opeyemi Ajagbe

Senior Product Designer

Message sent

Thanks — I'll get back to you within a couple of days. Talk soon.