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Koli Oyama

@kolioyama

Frontend developer and UI/UX designer building accessible, high-performance digital products for B2B SaaS and consumer tech.

Nigeria

Message

What I'm looking for

I want to work in an environment where both design quality and engineering quality are held to the same high standards. My goal is to develop user-centric frontend features while collaborating closely with the design team. I aim to create compelling, accessible, and high-performance B2B SaaS experiences to achieve a greater impact on the product.

I’m a Frontend Developer with a background in UI/UX Design, focused on building accessible and performant digital products. I enjoy turning research into scalable interfaces, balancing strong design decisions with practical frontend implementation.

In my final year project, I built and deployed PiggyTrips, a travel planning web app for budget-conscious travellers. I integrated React with Supabase and Vercel, ran competitive analysis of 7 travel apps, translated insights into a design system in Figma, and integrated APIs (Mapbox, TripAdvisor, ExchangeRate) for real-time search, discovery, and currency conversion.

Most recently, as an HNG Tech Frontend Developer & Product Design Intern, I designed desktop and mobile homepage layouts in Figma and developed an Invoice Management app in React with CRUD operations, validation, theming, and persistent state via LocalStorage. I also collaborated on frontend (NextJS) and UI work for legal pages, a design system, and UI screens for a digital badge platform, and I’ve delivered freelance high-fidelity landing page designs in Figma.

Experience

Work history, roles, and key accomplishments

Frontend Dev & Product Intern

HNG Tech

Apr 2026 - May 2026 (1 month)

Designed desktop and mobile homepage UI in Figma for an AI writing assistant, defining hero, features, testimonials, and CTA layouts. Built a React invoice management app with CRUD, form validation, theming, and LocalStorage-based persistence, and implemented legal pages and UI for a digital badge platform with a design system.

Figma Frontend Development React Next.js CRUD Operations Form Validation Local Storage Design Systems UI HTML5 CSS JavaScript

Freelance UI Designer

Choply

Aug 2025 - Sep 2025 (1 month)

Designed a high-fidelity logistics landing page in Figma, translating brand identity into a responsive UI focused on lead capture and user engagement.

Figma UI UX Design Landing Page Design Responsive Design Brand Identity User Engagement

Education

Degrees, certifications, and relevant coursework

University of Calabar

Bachelor of Science, Computer Science

2021 - 2026

Grade: 3.41

Activities and societies: Participated in an inter-school hackathon between Aptech and Unical, representing Unical in the UI design track.

BSc in Computer Science. Thesis: Design and Implementation of a Personalized Travel Planning Web Application for Itinerary and Budget Management.

Relevant Coursework: Human Computer Interaction, Software Engineering, Web Development, Database Design & Management, Artificial Intelligence, Data Structures & Algorithms.

Aptech Computer Education

Advanced Diploma, Software Engineering

2023 - 2025

Grade: Distinction

Activities and societies: Participated in two local hackathons at Aptech and one international Tech-Wiz hackathon, where I took part in the Frontend track, competing against other Aptech students from around the world.

Advanced Diploma in Software Engineering, completed with a Distinction grade.

Relevant Coursework: Agile Methodology, Java, Web Design, Web Development, Python, Database Management, Mobile App Development