FRONTEND ENGINEER · EARTH

Abdullah OlaMudathir

I build marketplaces, mobile apps and banking platforms with React, TypeScript, React Native, Node.js and AWS.

Speaker at JS Monthly London and React Advanced

See my work ↓View CV ↗

Open to roles

Selected projects.

Recent builds I owned end to end, from client work to side projects.

My role: Co-builder · Hackathon
Built with: React
TypeScript
Gemini Live API
Tailwind CSS
Vite
What it is: An AI-powered interview prep agent that conducts real-time voice-driven mock interviews, monitors body language, and generates gap reports with study aids.

My role: Frontend engineer · Client project
Built with: Next.js
TypeScript
Node.js
REST API
What it is: A peer-to-peer marketplace for buying and selling digital accounts, protected by escrow payments and seller verification.

My role: Mobile engineer · Client project
Built with: React Native
TypeScript
Expo
REST API
What it is: A cross-platform mobile app for SMS verification, virtual numbers, and eSIM services — available on iOS and Android.

My role: Solo build · University capstone
Built with: AWS Lambda
S3
SageMaker
Plotly
Next.js
TypeScript
What it is: A serverless pipeline that turns decades of UK weather data into plainly-drawn charts. Built as my final-year project.

View all work →

Experience.

Client products, banking platforms and a stint in the classroom.

2023 — PresentRemote

Techloop

Cross-Platform Frontend Engineer · Contract

React Native
TypeScript
TanStack Query
OneSignal

Built and shipped the XeroSMS React Native app (virtual numbers, eSIMs, payments) to the App Store and Google Play: 10,000+ downloads since its May 2026 launch. Sole frontend engineer on the Wealth app, co-designing its REST APIs and using TanStack Query caching to keep it fast on slow connections.

2022 — 2023Lagos, Nigeria

ISSL

Frontend Engineer

React
Next.js
Gatsby
Strapi
Keycloak

Built React, Next.js and Gatsby apps for clients including banks (NSL), with Strapi CMS and Keycloak role-based access. Also built a native Android biometric-capture app for a government contract.

2022Lagos, Nigeria

Aptech

IT Instructor

HTML
CSS
JavaScript
Python

Taught HTML, CSS, JavaScript and Python to 50+ students.

2022Remote

Zuri

Full Stack Developer · Internship

Django
Python
Bootstrap
JavaScript

Built full-stack Django apps with responsive Bootstrap frontends, working closely with designers.

Speaking.

Talks at UK meetups and conferences. I also volunteer at GitNation events.

The Lost Art of DebuggingJS Monthly London and React Advanced · 18 – 19 February 2026

Stop Trusting and Start EvaluatingPractically AI Manchester · 23 July 2026

My name is Abdullah Ola Mudathir. I started development in frontend but I identify as a cross-platform engineer now (my own term). I write TypeScript most days and go deeper into the stack when a problem needs it. Worked with web and mobile, with react and react native, worked with android and Java and now exploring Kotlin as well. I have a good understanding of the web and mobile platforms and how to build for them.

I first picked up development when I was 12 years old with C# but came back and fell in love with CSS. I’m proudest of the quiet work: code easy to read, clean code, and being able to understand how a codebase works and how to make contributing to it easy is one of the enjoyable parts of development.

Off screen, I read and write poetry and, as of this year, I’m learning to swim. I’m slow in the water, but I keep showing up as often as I can, who knew swimming was so hard?

Look forward to working in a role where I can not only bring my skills but also stretch them, being able to learn more while improving the team and project.