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Hayder Aleissa

//Frontend Developer|

Software Engineering graduate from KFUPM with first honor distinction, aiming to apply strong academic foundations and hands-on experience in development roles. Passionate about solving real-world problems through scalable software solutions and eager to contribute to innovative development teams.

Languages

Dart
C#
Java
Python
JavaScript
TypeScript
HTML5
CSS3
Dart
C#
Java
Python
JavaScript
TypeScript
HTML5
CSS3
Dart
C#
Java
Python
JavaScript
TypeScript
HTML5
CSS3

Frameworks, Libraries & Runtimes

.NET
React
Next.js
Angular
Flutter
TailwindCSS
Bootstrap
NodeJS
Express.js
Vite
tRPC
Expo
JavaFX
Bun
.NET
React
Next.js
Angular
Flutter
TailwindCSS
Bootstrap
NodeJS
Express.js
Vite
tRPC
Expo
JavaFX
Bun
.NET
React
Next.js
Angular
Flutter
TailwindCSS
Bootstrap
NodeJS
Express.js
Vite
tRPC
Expo
JavaFX
Bun

Databases

MongoDB
PostgreSQL
SQLite
SQL Server
Supabase
MongoDB
PostgreSQL
SQLite
SQL Server
Supabase
MongoDB
PostgreSQL
SQLite
SQL Server
Supabase

Cloud & Monitoring

Firebase Remote Config
Firebase Crashlytics
Azure App Insights
Firebase Remote Config
Firebase Crashlytics
Azure App Insights
Firebase Remote Config
Firebase Crashlytics
Azure App Insights

Data Science & AI

NumPy
Pandas
SciPy
scikit-learn
PyTorch
Open CV
Matplotlib
NumPy
Pandas
SciPy
scikit-learn
PyTorch
Open CV
Matplotlib
NumPy
Pandas
SciPy
scikit-learn
PyTorch
Open CV
Matplotlib

Tools & Platforms

Git
GitHub
Postman
Swagger
NPM
Bruno
Git
GitHub
Postman
Swagger
NPM
Bruno
Git
GitHub
Postman
Swagger
NPM
Bruno
Sol
Front-end Developer
Sol
Jun 2025 – Present
Full-time
DartFlutterTypeScriptAngularFirebase CrashlyticsAzure App InsightsBruno
  • ○Designed and implemented a dynamic pop-up system in Flutter, supporting both marketing and behavioral pop-ups driven by backend configuration and user behavior.
  • ○Refactored a significant portion of the Flutter codebase to support cross-platform execution (mobile and web), resolving platform-specific limitations using conditional imports and rendering strategies.
  • ○Integrated Azure Application Insights, Firebase Console, and Crash Analytics to monitor application health, capture runtime errors, and improve observability across environments.
  • ○Implemented and maintained frontend features in TypeScript and Angular, contributing to both a legacy production website and a new website built using a newer Angular version.
Sol
Back-end Developer Intern
Sol
Jun 2024 – Aug 2024
Internship
C#.NETSQL ServerMongoDBSwagger
  • ○Developed and tested RESTful APIs for Sol’s new Angular-based admin panel, replacing a legacy Razor and .NET 4.0 system with a modern .NET 6.0 backend.
  • ○Led the implementation of backend features for 10+ sections including Users, Roles, Banners, Brands, Dashboard, SEO, Coupons, Warehouses, and Jahez integration.
  • ○Improved the image upload system by integrating Azure Blob Storage, streamlining asset handling across web and mobile apps.

KFUPM Community

05/2025
  • ○Led backend development for the Capstone system, ensuring seamless feature integration.
  • ○Implemented secure and efficient tRPC procedures for reliable server-client communication.
  • ○Designed and optimized relational database schemas using Supabase.
  • ○Conducted thorough API testing and validation using Thunder Client.
  • ○Applied systematic refactoring to the router and encapsulated related queries within safe database transactions.
TypeScriptExpoSupabasetRPCBun

Pneumonia Detection Model

05/2025
  • ○Engineered a complete ML pipeline to classify chest X-rays as normal or pneumonia using handcrafted radiological features.
  • ○Implemented logistic regression, random forest, and MLP models, achieving accuracy up to 97.85% with traditional methods.
  • ○Used PCA for dimensionality reduction and SMOTE for class balancing to enhance model robustness.
  • ○Benchmarked against a CNN, demonstrating comparable performance within 2.61% difference and much lower computational cost.
PythonOpen CVscikit-learnMatplotlibNumPyPandas
⎆ GitHub

Rofouf E-Commerce

06/2024
  • ○Created a high-fidelity Figma prototype and developed a responsive user interface for authentication pages.
  • ○Built and tested RESTful APIs for user registration and login using Postman.
  • ○Ensured smooth user experience through clean frontend-backend integration and proper error handling.
ReactNodeJSExpress.jsJavaScriptTailwindCSSMongoDB
⎆ GitHub

Blood Donation Management System

12/2023
  • ○Designed and developed a user-centric desktop application facilitating blood donation requests and management for healthcare staff and patients.
  • ○Designed and normalized the entire database schema using SQLite.
  • ○Implemented generation of payment and transaction details reports.
JavaJavaFXSQLite

Attendance Visualizer

12/2023
  • ○Developed a desktop application using C# and .NET for effective visualization of attendance records imported from Microsoft Excel sheets.
  • ○Implemented a user-friendly graphical interface depicting working hours visual indicators for sufficient and insufficient hours.
C#.NET
⎆ GitHub

Stroke Prediction Model

05/2023
  • ○Conducted data analysis on patient data imported from Microsoft Excel sheets to predict stroke status based on social, health, and personal information.
  • ○Visualized and summarized findings based on data patterns.
  • ○Developed a prediction model with 97% accuracy after thorough data cleaning and encoding.
PythonNumPyPandas
⎆ GitHub