Ziad Alnajjar

Angestellt, Senior Backend And Integration Engineer, Allendevaux & Company
Cairo, Egypt

Skills

Software Development
Web development
JavaScript
TypeScript
Node.js
PHP
React.js
Vue.js
Software Testing
Git
Docker
Linux
Redux
GraphQL
RESTful API
Redis
SQL
NoSQL
Laravel
Magento
CodeIgniter
SCSS
Nest.js
CSS
Full-stack development
Frontend Development
Backend Development
System Design
Microservices
Unit Testing
AWS
Computer Science
Agile Development
Angular
Technology
Web applications
Database
MongoDB
API
KANBAN
Domain-driven design (DDD)
Frontend
Integration Testing
Code
Web
Architecture
PostgreSQL
.NET Framework
Software Architecture
Software Development Processes
Software solutions
DevOps
GitHub
Programming Language
Test Automation
Python
Cloud Computing
Web page
C#
MySQL
Apache
Webpack
Application
HTML

Timeline

Professional experience for Ziad Alnajjar

  • Current 7 months, since Dec 2025

    Senior Backend And Integration Engineer

    Allendevaux & Company

    - Contributing to an enterprise, multi-tenant Cyber Risk & Security platform built on a microservices architecture - Developing real-time backend services using Python and WebSockets for low-latency, high-concurrency workloads - Leading key integrations with AI components and external security appliances to automate security actions - Leading engineering efforts through providing mentorship, conducting code reviews, team planning, task allocation, and overseeing delivery

  • 1 year and 8 months, Apr 2024 - Nov 2025

    Senior Full Stack Developer

    Saudi Labor Attaché — Saudi Arabian Embassy

    - Led digital transformation efforts — from technical planning and documentation to implementation and stakeholder alignment - Modernizing and optimizing complex legacy systems for performance, security, and scalability - Designing and deploying new features, enhancing UI/UX and workflows, boosting productivity by 15% - Fixed critical bugs and optimized databases, improving performance by ~23% and reducing load times - Collaborated with users to deliver reliable, high-impact digital solutions

  • 5 months, Nov 2023 - Mar 2024

    Full Stack Developer

    Freelance

    Amwal.ae: - Designed and developed a headless SPA with intuitive UI, robust API, and secure, scalable architecture - Implemented advanced security (sanitization, validation, JWT, ACL, rate limiting) ensuring data integrity and reliability - Engineered a caching strategy with Redis, CDN integration and image optimization to boost speed and scalability - Apply SEO best practices and deploy on cloud for high availability and seamless UX Persian Language Academy: A static responsive spa built with next.js

  • 8 months, Mar 2023 - Oct 2023

    Full Stack Developer

    Scandiweb

    - Played a key role in the development of Rareseeds’ e-commerce platform, shipping core features including Gift Cards Extension, Product Card, Recommended Products, Recently Viewed Products, Wishlist, and Featured Categories — significantly enhancing customer engagement. - Contributed to the creation of custom in-house themes and a reusable UI library built on Hyvä UI for Magento, integrating Scandiweb packages and introducing time-saving components to accelerate development across multiple projects.

  • 4 months, Jul 2021 - Oct 2021

    Network Engineer

    Optima Professional Services

    Focused on building both technical and interpersonal skills, with hands-on experience in network design, configuration, troubleshooting, and security (CCNA, CCNP). Applied networking concepts in practical scenarios while strengthening communication and collaboration abilities to work effectively in team environments.

Educational background for Ziad Alnajjar

  • 2018 - 2022

    Informatics and Computer Science (Software Engineering)

    London South Bank University

    Awarded the degree of Bachelor of Science with First Class Honours, having followed an approved Honours programme in Informatics and Computer Science (Software Engineering). Degree Certificate: https://1drv.ms/i/c/66c1a7a567e85ac1/EVSTkN83GbFArP2C_WMNcAgBnCWYWmWaR4QpxsovWwJ7sQ

Languages

  • English

    C1 (Fluent)

  • Arabic

    C2 (Expert / native speaker)

  • German

    A1-A2 (Basic)

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