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
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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%.
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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.
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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%.
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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.
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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.
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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.
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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
- UI Designer Professional Certification
- Strategic Innovation
- Google UX Design
- Product Management
- UI/UX Design Thinking
- Product Design
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
Senior Product Designer