Hi, I'm Mohamed Khattab

Mohamed Khattab

Software Engineer

I’m Mohamed, a backend-leaning software engineer with almost three years of experience shipping products for adtech and B2B e-commerce platforms. Over the years I’ve worked across Go, Node.js, Laravel, TypeScript, Redis, ClickHouse, PostgreSQL, Docker, and AWS usually in blends that span ad platforms, analytics pipelines, and e-commerce platforms. I stay close to the web platform, enjoy learning new system designs and internals, and keep exploring devops practices, observability, and automating the little tasks that make development faster.

Experiences

Full-time Software Engineer
Cartona

Feb.2025 ‑ Present · Cairo, Egypt

  • Refactored retailer and supplier modules, reducing production incidents by 35% and improving platform stability.
  • Optimized SQL workloads, Redis caching, and OpenSearch integrations, improving response times by 50% and supporting higher transaction volumes.
  • Partnered with product, QA, and operations teams to streamline workflows, resulting in a 20% uplift in NPS.
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Full-time Software Engineer
Speakol

Aug.2023 ‑ Jan.2025 · Cairo, Egypt

  • Led the design and rollout of an AI-powered campaign creation engine, integrating OpenAI APIs with asynchronous pipelines for automated campaign generation.
  • Refactored the payment gateway, reducing transaction errors by 25% and improving reliability for advertisers and publishers.
  • Built integrations with external ad partners and analytics services, contributing to a 30% uplift in revenue and smoother data synchronization.
  • Enhanced the AdX-Change platform to improve targeting precision and recommendations, boosting click-through rates by 12%.
  • Technologies: Laravel, Vue.js, Golang, Redis, PostgreSQL, AWS services.

Software Engineer Intern
Enozom.

Jun.2023 ‑ Jul.2023 · Alexandria, Egypt

  • Developed an immersive multiplayer Snake and Ladder game utilizing Node.js for the backend and React.js for the frontend. Utilized Sequelize ORM for efficient database connectivity, ensuring smooth data management with MySQL. Real‑time communication was achieved through Socket.io to ensure synchronized gamepla
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Cyber security Intern
Cyber Talent , Trend Micro

July.2022 ‑ Sep.2022 · Remote

  • Familiarity with Web Penetration Testing techniques and their application to secure web applications
  • Understanded the Cryptography concepts and their practical use in securing data.
  • Acquainted with Network Security protocols and strategies to protect against cyber threats

June.2022 ‑ July.2022 · Remote

  • Gained familiarity with Security Monitoring techniques to identify and respond to security events and incidents.
  • Acquired knowledge in Threat Detection methods and tools to identify and prevent cyber threats in real‑time ..
  • Understanded common Network Attacks and their prevention strategies to safeguard against cyber threats.
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frontend developer
IEEE SSCS Alexandria Branch

Oct.2021 ‑ Oct.2022 · Alexandria, Egypt

  • Contributed to the development of the IEEE SSCS Alexandria branch Website, utilizing ReactJS and responsive web design practices to create a platform where users can take courses, read articles, explore fields, and apply for events

Projects

Alto B2B Platform preview
Alto B2B Platform
Professional Jul.2025 - Oct.2025

Re-architected a Laravel Filament application for the plastics and packaging industry, stabilizing high-volume operations, automating catalog-to-invoice flows, and instrumenting behavior analytics with Microsoft Clarity and PostHog.

Infantry House ERP preview
Infantry House ERP System
Professional Jan.2025 - Jul.2025

Designed and deployed a custom ERP for military house operations, covering inventory, invoicing, HR, and cash management with domain-based access, Windows Server integration, and workflows that increased revenue fivefold.

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Database Engine as a Service
Software Development Internals Nov.2023- June.2024

A cloud-based database engine featuring query execution through parsing, planning, and efficient storage, complemented by a comprehensive web interface for both frontend and backend interactions aiming to become a fully-managed database platform, offering many features for enhanced

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Memstash
Software Development Internals Jan.2024

Designed and developed Memstash, a Redis-compatible, in-memory key-value store in Go. Implemented a serializer, deserializer, and command handler to seamlessly integrate with Redis commands and clients.

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Token Bucket Rate Limiter
Software Development Internals Dec.2023

Implemented a flexible token bucket rate limiter using Go, managing requests globally, for services A and B, and individual users based on IP addresses.

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Gossip Algorithm
Software Development Internals Jan.2024

Developed a Go program implementing the Gossip Algorithm for distributed systems. This algorithm ensures reliable data and fault discovery through dynamic communication adjustments, replicated delays, and handling of unresponsive nodes, promoting robust system reliability and data consistency.

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Diabetic Predictor
Software Development July 2023

Developed the Diabetic Predictor Website, An impactful web application leveraging cutting‑edge AI and machine learning algorithms to predict diabetes likelihood in patients based on personalized health data. Utilized Flask, Node.js, and React to create an intuitive user interface and ensure seamless functionality. Facilitated efficient data storage and retrieval with Prisma, utilized as the ORM for managing MySQL database operations. Implemented secure authentication using JWT to prioritize user privacy and data protection

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Full‑Stack Payment Integration Project
Software Development Jun 2023

Developed a full‑stack Node.js and React app with PayPal and Stripe integration, connected to a MySQL database using Sequelize. Implemented JWT‑based user authentication for secure user access and transactions.

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Book Store Web App
Software Development April 2023

• A web application for managing books in a bookstore, developed using Spring Boot, MySQL, JPA, and Thymeleaf. It allows users to add, edit, delete, and view books in the bookstore. The project features a fully functional backend and a simple UI

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snakegame
Snak Game
Software Development july 2023

an immersive multiplayer Snake and Ladder game utilizing Node.js for the backend and React.js for the frontend. Utilized Sequelize ORM for efficient database connectivity, ensuring smooth data management with MySQL. Real‑time communication was achieved through Socket.io to ensure synchronized gameplay.

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operating system
Pintos
Operating Systems Mar. 2023

Contributed to the development of PintOS, an open‑source instructional operating system kernel developed by Stanford University, by working on the project’s two phases as part of a college project. PintOS provides modular projects and complete documentation to introduce students to the major concepts of operating systems development

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Elevator-System-Design
Elevator System
Software Development jan 2023

Developed an Elevator System Console App solution that efficiently handles multiple requests from different floors using object‑oriented pro‑ gramming concepts and multithreading.

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Parking-lot
Parking lot system
Software Development December 2022

Developed a parking lot management system Console App using object‑oriented programming concepts and design patterns such as strategy and singleton. The system is capable of handling different sizes of cars and checking for available parking spots. It includes features such as parking spot reservation, automatic ticket generation

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 codeforces integration
Codeforces‑Git‑Integration
Software Development May 2023

Tool developed to streamline the management of solutions submitted on Codeforces and synchronization with GitHub. It provides an intuitive interface for selecting a Codeforces handle, downloading solutions, and uploading them to a GitHub repository.

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Skills