Hi, I'm John OLANIYI - a Software Engineer.
Hi, I'm John Olaniyi, a JavaScript Developer with a passion for creating innovative and user-friendly websites, applications, and mobile solutions. With several years of experience in JavaScript (ReactJs, NextJs, NodeJs, ExpressJs, NestJs, and ReactNative), I specialize in turning complex design concepts into clean and efficient code across both frontend and backend development. Additionally, I have expertise in building robust backend systems and mobile applications. When I'm not coding, you can find me exploring the latest web and app development trends and technologies, or watching football matches. Welcome to my website, and feel free to browse my portfolio and get in touch with me to discuss your project!
Programs must be written for people to read, and only incidentally for machines to execute.
- Harold Abelson
Skills
Languages
JavaScript
TypeScript
SQL (Postgres, MySQL)
Mark up
Html5
Frameworks
ReactNative
ReactJs
NextJs
NodeJs
NestJs
ExpressJs
FastAPI
State Libraries
React Query
Jotai
Redux
Context Api
Zod
Stylesheet
CSS3
TailwindCss
SCSS
Styled-Component
ChakraUi
Material-UI
Backend-as-a-service
Firebase
Supabase
Tools & Platforms
Git
Docker & CI/CD
Google Cloud Platform
AWS Bedrock
Databases
PostgreSQL
MongoDB
Experience
We-collect
Data collection and analytics company
June 2025 - Present
Led frontend architecture for a client-facing Admin Dashboard and a scalable Super Admin platform. Built reusable UI component systems and optimized state management for data-intensive, real-time tracking workflows. Collaborated with cross-functional teams to translate complex operational needs into intuitive user experiences.
Skills: React, Next.js, TypeScript, State Management, UI Architecture, Performance Optimization
Nobox Cloud
Backend as a service Company
Jan 2024 - June 2025
Collaborated in a full-stack JavaScript environment to deliver robust, scalable solutions, streamlining development processes and accelerating project timelines.
Skills: ReactJs, NextJs, tailwincss, Typescript, SCSS, NestJs, MongoDB
SafeWalls
General well-being and psychosocial supports company
January 2024 - June 2024 (Contract)
Developed and implemented a highly efficient waitlist management system, optimizing customer engagement and retention.
Skills: NextJs, tailwincss, Redux, Typescript
Couch App
Mental health care
June 2020 - December 2023
Collaborated with ui/ux desginer and backend developer and other frontend developer and create a full functioning web application with a lot of functionalities.
Skills: NextJs, Tailwindcss, Redux
Projects
Lawploy
converted a figma file to pixel perfect and responsive website, with Nextjs and Tailwindcss.
ToolAi
converted a figma file to pixel perfect and responsive website, with Nextjs and Tailwindcss.
We-collect
converted a figma file to pixel perfect and responsive website, with Nextjs and Tailwindcss.
ResQx
converted a figma file to pixel perfect and responsive website, with Nextjs and Tailwindcss.
ResQx B2B Dashboard
B2B operations dashboard built with Next.js and Tailwind CSS, translated from Figma into a fast, responsive production UI.
ResQx Admin Dashboard
Internal admin dashboard built with Next.js and Tailwind CSS, focused on data visibility, performance, and responsive layouts.
Contact
I'm always on the lookout for new opportunities to flex my skills and expertise as a Software Engineer. If you're in need of a go-getter who's not afraid to roll up their sleeves and tackle any challenge, feel free to shoot me a message using the form below. I'm also available to chat on LinkedIn or Twitter, where I share my latest projects and web development insights. I look forward to hearing from you!