MHD HAMZAAL HARASH

Mid-Senior Backend Engineer architecting robust backends across marketplace, mobility, and IoT platforms. Specializing in ASP.NET Core, EF Core, PostgreSQL, and clean, maintainable backend architecture.

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[About]

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I am a Software Engineer & .NET Backend Developer building production-grade systems across marketplaces, mobility platforms, and IoT.

Specialized in designing clean, scalable REST APIs, implementing secure authentication & authorization, and building reliable data layers with Entity Framework Core and SQL databases — guided by clean architecture and SOLID principles.

Focused on writing maintainable code, optimizing performance, and delivering backend systems that are secure, testable, and ready for real-world scale.

ASP.NET CoreEF CorePostgreSQLJWT / IdentityREST APIsClean Architecture

Profile

EXPERIENCE: 4 YEARS
YEAR: 5th / Final
FOCUS: ASP.NET Core
BASED: Damascus / Dubai
LANGS: Arabic · English

[Technical_Inventory]

SYSTEM_READY

ASP.NET Core

REST APIs, versioning, middleware, Identity, JWT auth.

C# / .NET

Advanced OOP, LINQ, async, Repository Pattern, DI.

EF Core

Code-first migrations, query optimization, relational modeling.

SQL / PostgreSQL

Schema design, indexing, complex queries, T-SQL & PL/pgSQL.

Auth & Security

JWT, ASP.NET Identity, OTP phone auth, rate limiting.

DevOps

Git, GitLab, Docker, MonsterASP & Render deployments.

Integrations

WhatsApp Business API, Google Maps, NFC devices, payments.

Also

C++, Java, JavaScript, HTML/CSS, Firebase, Fluent Validation.

[Deployments] // Work_History

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May 2026 — Present

Dubai, UAE

Mid-Senior Backend Engineer // Lumiere Global Ventures

Harmonies — marketplace platform

WebsiteApp StoreGoogle Play

.NET Backend Developer for the 'Harmonies' marketplace platform connecting buyers and sellers — maintain, support, and ensure smooth operation and performance.
Designed and managed PostgreSQL databases with Entity Framework Core, applying Repository Pattern and Dependency Injection for clean, maintainable architecture.
Designed and implemented OTP-based phone authentication for app roles, with dedicated endpoints, JWT authorization, and rate limiting.
Built and modified RESTful APIs with API versioning.
Implemented Fluent Validation across all API endpoints, replacing Data Annotations and refactoring service configuration.
Added structured error handling, centralized exception middleware, and file-based logging to key controllers.
Conducted thorough integration testing to ensure high-quality deliverables.
Integrated third-party services including WhatsApp Business API for OTP delivery.
Configured production settings and publish profiles for deployment on MonsterASP and Render hosting.
Collaborated with cross-functional teams, frontend developers, and DevOps engineers to meet project goals.
Worked within a Scrum team of 6+ members — daily stand-ups, sprint planning, refinement, and retrospectives to deliver features on schedule.
Stack: C#, .NET Core, EF Core, Identity Core, PostgreSQL, Monolithic Architecture, Unit Testing, SOLID, Query Optimization, CI/CD, Git, Agile/Scrum.

Jun 2025 — Present

Damascus, Syria

.NET Developer // iSolutions

IPET — E-VETERINARY APPLICATION

Website App Store Google Play

.NET Backend Developer responsible for the 'iPet' application — building and maintaining scalable backend services using ASP.NET Core for Flutter mobile and Angular web clients.
Designed and managed SQL databases with Entity Framework Core, applying Repository Pattern and Dependency Injection for clean, maintainable architecture.
Customized ASP.NET Core Identity and implemented secure authentication using JWT tokens, with strong security and data encoding practices.
Developed APIs supporting NFC pet collars, linking pets to their owners' profiles for identification and account access.
Implemented backend systems for online veterinary appointment scheduling and online payment integration.
Built background services, fixed bugs, and optimized backend logic including the shop system to ensure performance, scalability, and reliability.

Jan 2025 — Nov 2025

Damascus, Syria

.NET Developer // Tech Pundits

Qareeb — private taxi ordering service

Website App Store Google Play

.NET developer for the 'Qareeb' application — a private transport service for ordering taxis. Maintained, supported, and ensured smooth operation and performance.
Designed and managed SQL databases with Entity Framework Core, applying Repository Pattern and Dependency Injection for clean, maintainable architecture.
Updated the codebase, implemented new features and improvements, collaborating with the team to meet project goals.
Diagnosed and fixed bugs, enhancing application stability and maintaining scalable backend solutions.
Conducted thorough debugging and testing to ensure high-quality deliverables.
Participated in integrating other software from external companies.
Integrated vehicle devices for real-time data transmission.
Collaborated with cross-functional teams, frontend developers, and DevOps engineers.
Worked within a Scrum team of 13+ members — daily stand-ups, sprint planning, refinement, and retrospectives to deliver features on schedule.
Stack: C#, .NET Core, EF Core, Identity Core, SQL Server, Clean Architecture, IABP, Repository Pattern, Unit Testing, SOLID, Query Optimization, Azure DevOps (Pipelines, Repos), CI/CD, Git, Agile/Scrum.

[Education] // Achievements

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2021 — Present

5th Year Software Engineering

Damascus University, Syria

Sep 2024

UAE AI Concerne — Onsite Participation

Skyline University College, Sharjah

2023

Meta Hacker Cup Participation