Omar Alhasan
OA.
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Omar Alhasan

Hi, I'm Omar Alhasan

Senior Full-Stack Software Engineer

I build modern, scalable web applications with a passion for clean code and great user experiences. Let's create something amazing together!

Omar Alhasan

Omar Alhasan

Full-Stack Software Engineer

Full-Stack Software Engineer with 5+ years of experience building scalable web and mobile applications using React, Node.js, GraphQL, and PostgreSQL. Passionate about clean architecture and creating exceptional user experiences.

London, United Kingdom
[email protected]
LinkedIn Profile

What I Do

I specialize in building modern, scalable applications with a focus on quality and user experience

Scalable Product Development

Build scalable web and mobile products with clean architecture and reliable delivery pipelines.

Full-Stack Ownership

Own end-to-end delivery from system design through development, testing, and production deployment.

Architecture Leadership

Lead architecture discussions and mentor engineers to improve velocity, quality, and maintainability.

API & Data Systems

Design and integrate REST and GraphQL APIs with robust data layers across PostgreSQL, MongoDB, and SQLite.

Quality Engineering

Ship stable releases through automated testing, QA discipline, and strong engineering standards.

User-Centered UX

Create performant, intuitive user experiences through thoughtful product and UI/UX collaboration.

Work Experience

Senior Software Engineer

Fersan Capital

2024-05 - PresentRemote
  • Built and maintained B2B platforms for health centers and social media clients.
  • Led architecture discussions and mentored junior developers, boosting delivery speed by 25%.
  • Developed full-stack web and mobile apps using React, React Native, Node.js, MongoDB, and SQLite.
  • +2 more
React
React Native
Node.js
MongoDB
SQLite
+1

Senior Software Engineer

Herrontech (B2B Projects)

2023-04 - 2024-05Canada
  • Delivered end-to-end B2B features with full ownership from system design through development, testing, and production deployment, improving delivery speed by 50%.
  • Built and integrated AI-based face detection and liveness verification, improving identity validation and reducing fraud risk.
  • Designed scalable and maintainable frontend/backend architecture with strong performance and reliability.
  • +1 more
React
Node.js
TypeScript
GraphQL
REST APIs
+1

Full-Stack Software Engineer

Collar

2020-08 - 2023-04London, UK
  • Rebuilt React Native and web platforms, improving performance by 50%.
  • Collaborated with the CTO to redesign backend architecture, reducing API latency by 35%.
  • Implemented E2E testing and internationalization, reducing regression bugs by 40%.
  • +2 more
React
React Native
Redux
GraphQL
Apollo
+4

Software Engineer

Mikroelektron

2018-11 - 2020-08Remote
  • Built internal automation dashboards with Node.js and PostgreSQL, reducing manual tasks by 60%.
  • Optimized firmware tools and improved monitoring speed.
Node.js
PostgreSQL
Automation Dashboards

Projects

Some things I've built

2D/3D Museum Portfolio

2026

Interactive personal museum of achievements built with Three.js and React Three Fiber.

Three.js
React Three Fiber
React
TypeScript
Next.js
Crwn Clothing

2022-04 - 2022-06

An e-commerce platform built with React, Stripe, Redux, GraphQL, and Apollo Client.

React
Stripe
Redux
GraphQL
Apollo Client
Forkify

A recipe app that provides bookmarks and meal management.

JavaScript
REST APIs
Bankist

A web banking app built with JavaScript.

JavaScript

Education & Experience

My academic journey and professional development

Front-end / Back-end Engineering Bootcamps

Engineering Bootcamp Programs

Areas of Study
JavaScript
TypeScript
Node.js
Data Structures & Algorithms
React
React Native
GraphQL
PostgreSQL
Gatsby
RESTful APIs
Web Design
Bachelor of Software Engineering

Istanbul Gelisim University

Areas of Study
Cyber Security
Data Structures and Algorithms
Object-Oriented Programming
Statistical Analysis
Web Development
Database Management
Computer Networks
Software Architecture
Mobile Application Development
AI Fundamentals
System Design Principles
Key Project: React + Node.js academic dashboard

CV

CV Preview

Skills

React
React Native
Next.js
Node.js
TypeScript
GraphQL
PostgreSQL
MongoDB
SQLite
Firebase
Redux
Docker
AWS
CI/CD
TailwindCSS
REST APIs
Redis
Jest
Styled-Components
WebSockets
Data Structures & Algorithms
Fast-paced startup environments
Scalable products

Languages

English (Fluent)
Arabic (Native)
Turkish (Intermediate)

Interests

Innovation
Product Design
UI/UX
Machine Learning
Fitness
Business Strategy
Minimalism
Gaming
Physics
Content Creation
Building Scalable Products

Let's Connect!

I'm always excited to hear about new opportunities and interesting projects. Don't hesitate to reach out!

Location

London, United Kingdom

FAQ

I specialize in modern full-stack development. Frontend: React, Next.js, TypeScript, Tailwind CSS, and Framer Motion. Backend: Node.js, Express, and databases like PostgreSQL and MongoDB. I'm always learning and adapting to project needs.

Still have questions?

Get in Touch