Olumide Olusesi
Senior Product Designer
Professional summary
Senior Product Designer with 6+ years across fintech, e-commerce, SaaS and enterprise software. I combine UX/UI craft, design systems and AI-assisted workflows to simplify complex products, partnering with engineering from problem definition through delivery.
Core skills
- Product design
- Interaction design, mobile and responsive web design, accessibility, visual design, design systems and UX writing.
- Research and strategy
- User interviews, usability testing, information architecture, journey mapping, problem definition and analytics-informed iteration.
- Tools and delivery
- Figma, FigJam, Miro, Storybook, Claude, Codex, Gemini, AI prototyping, front-end development, design QA and engineering collaboration.
Work experience
Shiga Onchain Banking
Product Design Engineer
May 2024 - Present
Founding designer leading product strategy, UX/UI and visual design across ENTA, Pulse and a POS product in development. I align roadmaps, stakeholders and engineering, managing two designers from product refinement through handoff and delivery.
- Led the design and Codex-assisted build of an embedded crypto checkout, connecting asset and network selection, rate locking, deposit detection, conversion and exception states within partner apps.
- Built Helium 2.0 in Figma, React and Storybook with shared tokens, component specifications and design QA across mobile, web, and light and dark themes.
- Built product and investor-facing prototypes that supported Tether investment and Visa accelerator participation. Customer prototypes for TON helped the team obtain Telegram funding for its integration.
- Designed developer and partner workflows for SDKs, API keys, testing, webhooks, KYB, reconciliation and settlement, using AI-assisted prototyping and development.
Branch International Financial Services
Senior Product Designer
Oct 2024 - Mar 2026
Designed onboarding, lending, payments and growth experiences across markets, while strengthening design systems and delivery practices across four countries.
- Redesigned onboarding with OTP-based pre-fill to simplify customer data entry.
- Migrated payments, onboarding, lending and dashboard experiences in Kenya, India and Nigeria into the Neem Design System.
- Improved Figma organisation, versioning and engineering handoff, and built reusable AI workflows for illustration, UX writing and prototyping with brand, market and component rules and human review.
Carbon Finance
Product Designer
Jun 2022 - Oct 2024
Led design and delivery across business and consumer banking, spanning product strategy, research, app releases, web design systems and cross-functional coordination.
- Led Carbon Business from concept to go-to-market, coordinating a five-person team and designing KYB and disbursement journeys. The product reached $500K CAD in disbursements within nine months.
- Redesigned the iOS and Android home experience with design colleagues through research, usability testing, prototyping and engineering handoff.
- Created a beta-testing community of 120+ participants to validate releases and uncover issues, helping reduce external research costs by 25%.
- Established web design-system foundations and clearer handoff and versioning practices for designers, developers and scrum masters.
United Bank for Africa (UBA) Group
Product Designer
Nov 2019 - Jun 2022
Designed enterprise HR automation and internal tools, alongside customer-facing mobile banking, ATM and physical banking kiosk experiences.
- Designed connected HR workflows for HCMConnect, a platform serving 10,000+ employees, from discovery and prototypes to testing and engineering handoff.
- The platform improved HR efficiency by 30%. The wider move to in-house automation contributed approximately $960K in annual enterprise licence savings.
- Used research, prototyping, usability testing and component documentation to simplify employee-service and consumer banking experiences.
Selected project
Sabi
Product design
Project engagement
Designed supplier, logistics and driver experiences across web and mobile, connecting ordering and inventory with fulfilment and delivery. Research and prototype testing shaped stock management, trip coordination, pickups and drop-offs.
Education
B.Sc., Civil Engineering
Obafemi Awolowo University
2017
Certification
Information Technology Professional (ITP)
Information and Communications Technology Council of Canada (ICTC)
2025
Volunteer experience
Design Mentor
ADPList
1,200+ minutes of mentorship across 41+ sessions.
2023 - Present