Sandra Olaniyi
@sandraolaniyi1
Versatile UI/UX and digital marketing professional focused on customer-centered design.
NigeriaWhat I'm looking for
I am a versatile UI/UX designer and digital marketing professional with experience in product design, customer service, and sales administration. I have led user research and usability testing with 100+ participants, redesigned websites and mobile apps, and created reusable design systems that improved user engagement by 25% on average.
I combine analytical training in statistics with hands-on digital advertising and customer experience expertise to deliver measurable results—generating leads, improving satisfaction, and supporting product teams to translate designs into functional products. I seek remote roles where I can apply design thinking, research-led product decisions, and strong communication to drive customer-focused solutions.
Experience
Work history, roles, and key accomplishments
UI/UX Designer Intern
Product Design University Africa
Jun 2025 - Present (4 months)
Redesigned web and mobile interfaces for Kobo360, Herbal Goodness LLC and Fresh Basket, conducted usability testing with 100+ participants, and created design systems that improved user engagement by ~25%.
Sales Admin / Customer Service Rep
Swiftline Int’l Concept Nig. Ltd
May 2020 - May 2025 (5 years)
Handled 50+ daily customer inquiries, generated 150+ annual sales leads, managed invoicing achieving 98% on-time delivery and resolved complaints boosting satisfaction by ~20%.
Digital Advertising Specialist
Opera Ads
Jan 2020 - Apr 2020 (3 months)
Developed and executed multi-platform advertising campaigns, monitored ad performance and designed promotional plans to meet client sales objectives.
Customer Service Representative
Opera Ads
May 2019 - Dec 2019 (7 months)
Assessed customer needs, managed client communications, generated leads and resolved complaints to maintain high customer satisfaction and retention.
Sales Support / Admin Officer
Lontor Hi-Tech
Jun 2018 - Apr 2019 (10 months)
Managed inventory and stock issuance, processed 80+ LPOs weekly, produced reports that contributed to a 10% quarterly sales increase and supported sales teams to meet KPIs.
Education
Degrees, certifications, and relevant coursework
Product Design University Africa
Diploma in UI/UX Design, Product Design / UI/UX
Grade: Best Overall Graduating Student, Cohort 8
Completed Diploma and Certification in Product Design (UI/UX), awarded Best Overall Graduating Student in the Diploma cohort.
GCGoogle Coursera
Professional Certificate, User Experience (UX)
Completed UX Design Process and Foundations of User Experience courses via Google on Coursera.
Plural Code Academy
Certificate in Product Design (UI/UX), Product Design / UI/UX
Completed a Certification in Product Design (UI/UX) at Plural Code Academy.
Google Digital Skills for Africa
Certificate, Digital Marketing
Completed The Fundamentals of Digital Marketing program through Google Digital Skills for Africa.
EIeMarketing Institute
Certificates, Digital Marketing
Completed Search Engine Marketing and Online Marketing Fundamentals certifications.
EUEkiti State University
Bachelor of Science, Statistics
Bachelor of Science in Statistics completed at Ekiti State University; graduated in February 2017.
Availability
Location
NigeriaAuthorized to work in
Portfolio
behance.net/sandraolaniyi_Job categories
Skills
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