Hello, I'm

Zaid Al Kallas

.NET Backend Developer

Building secure, scalable Web APIs and backend systems using C# and modern .NET technologies. Focused on backend architecture, API design, data access, and building real-world products.

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Development Process

Idea

Design

Analytics

Implementation

Testing

Deployment

Idea

Design

Analytics

Implementation

Testing

Deployment

Idea

Design

Analytics

Implementation

Testing

Deployment

Education

Ongoing

Bachelor's Degree Informatics Technology Engineering

Faculty of Information Technology Engineering - Damascus University

Third Year

2025 — 2029

Completed

Diploma Computer Technology

Technical Computer Institute — Damascus University

Excellent - 2nd in Class

2023 — 2025

Skills

Technologies and tools I work with to build modern applications.

.NET / Backend

.NET 10ASP.NET CoreMinimal APIsASP.NET Core Web APIREST APIsEntity Framework CoreASP.NET Core MVCDependency InjectionMiddlewareOpenAPI

Programming

C#LINQSQLJavaScriptPL/SQL

Architecture & Engineering

Vertical Slice ArchitectureClean ArchitectureCQRSSOLIDFluentValidationDatabase Migrations

Databases

PostgreSQLSQL ServerOracleSQLite

Security & Authentication

Authentication & AuthorizationJWTRefresh TokensOAuth 2.0Rate LimitingEmail VerificationPassword Reset

Testing & Quality Assurance

Unit TestingIntegration TestingAPI TestingTestcontainersTest Coverage

DevOps / Infrastructure

DockerGitHub ActionsCI/CDRedisHangfire

Observability

SerilogOpenTelemetryHealth ChecksDistributed Tracing

Frontend & Application Development

BlazorBlazor Hybrid.NET MAUIMVVMBootstrapResponsive UILocalization

Projects

A selection of projects I've built to solve real problems.

Featured Project

BudgetFriend API

A personal finance REST API built with modern .NET, designed to manage accounts, transactions, categories, transfers, authentication, and financial summaries. Built using Vertical Slice Architecture with comprehensive validation, logging, and testing.

C#.NET 10ASP.NET CoreMinimal APIsPostgreSQLEntity Framework CoreJWTRefresh TokensFluentValidationSerilogDockerGitHub ActionsHealth ChecksRate LimitingRedis

BudgetFriend .NET MAUI

A cross-platform personal finance application built with .NET MAUI, featuring MVVM architecture, SQLite local storage, bilingual support (Arabic/English), and encrypted backups.

.NET MAUIMVVMSQLiteLocalizationEncryption

Click&Eat

A full-stack restaurant management system with role-based workflows, secure authentication, order management, and background job processing using Hangfire.

C#.NET 8ASP.NET Core MVCEntity Framework CoreSQL ServerIdentityBootstrapjQueryHangfire

Get in Touch

Have a project in mind or want to discuss an opportunity? I'd love to hear from you.

eng.zaid.kallas@gmail.com

GitHub

ZaidAlKallas

Zaid Al Kallas