Selected Work
A curated selection of projects across branding, product design, and digital experiences.
Brand identity & social media graphics for a Lagos nail studio.
Polished graphic design system for a growing nail brand.
Full brand identity from concept to finished assets.
A deep-dive UI/UX redesign — coming soon.
About Me
4+
Years Experience
30+
Projects Delivered
15+
Happy Clients
I'm Oluwaseun Jephthah, a Product Designer passionate about building digital products that feel effortless. I bridge the gap between user needs and business goals through thoughtful research, elegant interfaces, and systems that scale.
My approach is rooted in simplicity — removing everything that doesn't serve the user. Whether it's a complex SaaS platform or a consumer app, I obsess over the details that make the difference between something that works and something that delights.
What I work with
Figma
Canva
Framer
Python
CapCutFigmaCanvaFramerPythonCapCutFigmaCanvaFramerPythonCapCutTestimonials
Kareem Hammed
Business Owner
Nails by Dami
“Working with Tumininu was a seamless experience from start to finish. The logo and graphics he created for Nails by Dami captured exactly the feel I wanted — professional, clean, and memorable. She has a sharp eye for detail and a real ability to translate a brand vision into something visually stunning. I couldn't be happier with the result.”
Get In Touch
Have a project in mind or just want to say hi? Drop me a message and I'll get back to you within 24 hours.
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