ABDULBARI
QAISAR
Frontend Developer
SCR0LL

Collaboration Sincerity & Scalability

Frontend Developer
About

Frontend developer with 4+ years building production web applications serving 1M+ active users. Specialised in React, TypeScript, and design systems — shared component libraries, compound components, type-safe API integration, and large-scale JavaScript-to-TypeScript migrations. Focused on building performant, accessible, and maintainable user interfaces, and delivering reliable features in fast-paced, cross-functional teams.

Technicall skills

HTML CSS JavaScript TypeScript React.js Next.js Remix.js Zustand Redux toolkit React testing library Tailwind CSS SASS CSS Design Systems Accessibility

Node.js NestJs RESTful-APIs PostgreSQL

Functional Programming

Applying principles like immutability, pure functions, and composition to write predictable and reusable code. React hooks and custom hooks to encapsulate logic.

Micro-Architecture

Designing applications in smaller, independent, and reusable modules, ensuring flexibility and easier testing.

Modular-Driven Architecture

Breaking down large applications into self-contained, maintainable modules that improve scalability and reduce complexity.

State Management

Expertise with both local and global state handling (React Context, Redux, Zustand), ensuring consistent data flow across applications.

Server-Side Rendering (SSR)

Building performant web applications with Next.js and Remix, focusing on SEO optimization, initial load performance, and Server-Side rendering.

Component-Driven Development

Using design system principles and compound component pattern to create reusable UI components aligned with product design.

Performance Optimization

Profiling applications, code-splitting, image optimization, caching strategies, and Core Web Vitals improvements for faster experiences.

Testing

Experience with React Testing Library to ensure reliable and maintainable code.

Build & Deployment

Proficiency with CI/CD pipelines, Docker, and AWS for automated builds and deployments.

Work experience

Frontend Developer | Tailored Applications (Formerly Gateway) – FIB Project

Rebuilding and scaling FIB's back-office platform with React, Remix, and TypeScript for 1M+ digital banking users. Migrating JavaScript codebases to TypeScript, building shared UI components and design-system patterns, shipping features for corporate and business banking, and integrating RESTful services and PostgreSQL-backed APIs.

Oct 2023 – Present

Frontend Developer | Flowon AI (Remote, UK)

Built frontend interfaces for AI workflows with React, Next.js, and TypeScript for a UK-based startup, focused on scalable UI patterns and data visualisation. Integrated the frontend with backend REST APIs powering user feedback loops.

6-month contract

Selected project - [07]

Frog business - 2023

A fully functional e-commerce platform with product catalog, cart, and checkout flow

[RemixJs, Redux toolkit, TailwindCss]

Flown AI - 2023

UK-London based project focused on AI solutions and automated agents

[NextJS, FastAPI, TailwindCss]

Hitex Website - 2022

Developing a website for one of the biggest technology event in the Middle East.

[NextJs, SassCSS]

Refubook - 2022

A social media platform prototype built during a Recoded bootcamp capstone project.

[ReactJs, TailwindCss, Firebase]

Wonder books - 2022

A digital book library application that won 1st place in the WeCode bootcamp final projects.

[ReactJs, TailwindCss, Firebase]

Library Management System - university project - 2024

A collaborative full-stack Library Management System developed as my graduation project, featuring student and admin dashboards for efficient book management and user interactions.

[ReactJs, Django, TailwindCSS]

Online Therapist - 2023

A full-stack web application that allows users to browse therapists and book doctor appointments online.

[Laravel]

Education

BSc in Software Engineering - Koya university

Achieved a BSc degree in Software Engineering with focus on software development principles, web & app development, and engineering philosophy.

[Software Engineering, Web Development, App Development]

Nov 2020 – Jun 2024

Frontend Development Bootcamp – Re:Coded

Completed a six-month intensive programme in modern frontend development, learning the latest technologies and working on capstone projects in collaborative teams.

[HTML, CSS, JavaScript, React.js]

Aug 2022 – Jan 2023

Contact Me

Feel free to reach out to me via LinkedIn, GitHub, or by sending me a direct message below.