Full-Stack Engineer with React, Node.js expert

Location:

Salary:

21000

Posted:

November 30, 2025

Mahmoud Ossama Mahmoud Khattab

GitHub: Mahmoud Ossama LinkedIn: Mahmoud Ossama

Education

Cairo University — Bachelor of Engineering in Computer Engineering (Sep 2020 – Jun 2025)

Cumulative GPA: 3.6 / 4.0

Technical Skills

Languages & Tools: JavaScript, TypeScript, React.js, Next.js, Node.js, Express.js, MySQL, MongoDB, Docker, Git, Prisma, Firebase

Skills: Fullstack Development, Authentication, RESTful APIs, UI/UX, Database Design, Agile Workflow

Experience

Freelance Fullstack Developer (Jul 2024 – Present)

• Developed and deployed responsive web applications and e-commerce stores using React, Next.js, and Node.js.

• Built REST and GraphQL APIs, integrated authentication (NextAuth) and file uploads with UploadThing.

• Designed and managed relational databases using Prisma and PostgreSQL.

• Delivered projects end-to-end including deployment and performance optimization. Cargas Internship — Fullstack Developer (Jul 2023 – Sep 2023)

• Contributed to both frontend (Flutter) and backend (Node.js, Express) development of an E- commerce platform.

• Integrated Firebase for real-time notifications and data synchronization.

• Followed agile principles to ensure iterative progress and collaboration. Graduation Project – Figma To React (Oct 2024 – Jun 2025)

• Converted given figma tree structure to a rendered React structure.

• Generated practical components for each given design according to the page structure for real-life usage for front-end developers.

E-commerce Backend Project — Colada (Jan 2025 – Present)

• Built a backend system for an online store with Node.js, Express, MongoDB, and aggregation pipelines.

• Implemented JWT authentication, role-based access control, and security integrations.

• Deployed and tested REST APIs with Postman; containerized using Docker. GPU optimized SQL Query Engine (April 2025)

• Designed and implemented a SQL processor handling parsing, query planning, and execution.

• Built modular components for projection, aggregation, joins, and filtering.

• Focused on correctness and performance of aggregate and nested queries.

• Collaborating with academic supervisor for optimization and documentation. GigaChat Twitter Clone (Team Project, Role: Tester)

• Participated in UI testing and backend endpoint verification.

• Ensured consistency of data flow and responsiveness across modules.

• Collaborated in agile sprints for bug fixing and deployment readiness. Achievements

• 1st place — International Luxembourg Tech School Hackathon

• 16th — ECPC Qualifications 2023

• 1st — Micro Mouse Line Maze Competition, Cairo University