Mohamed Raafat Email & Phone Number

Cairo, Cairo Governorate, EG

San Francisco Bay Area

• An AI resume building application:
• Architected and implemented HireHero's AI-powered resume enhancement application from concept to production as the sole engineer, designing a scalable and modular tech stack using Next.js, PostgreSQL, AWS S3, and.
• Engineered a robust resume parsing system using multiple LLMs (GPT-4, GPT-4 Turbo, Claude) to extract and structure data from diverse resume formats, improving processing accuracy and efficiency
• Implemented an intelligent resume scoring and improvement feature utilizing advanced AI models, enhancing the platform's value proposition for job seekers
• Developed a full-stack application using Next.js, integrating custom TipTap nodes to balance user flexibility with data structure integrity in resume editing
• Optimized website performance and user experience through data-driven improvements, resulting in a 35% increase in homepage user retention.

San Francisco Bay Area

• Spearheaded migration from Webflow to Next.js, improving website performance by over 50% through implementation of server-side rendering (SSR) and static site generation (SSG)
• Engineered innovative solution using Google Sheets as a database, enabling non-technical staff to easily update website content while maintaining data integrity
• Integrated Facebook API to automatically display recent posts on the website, enhancing content freshness and user engagement
• Implemented full-stack development using Next.js, Vercel, and Postgres, delivering a highly customizable and SEO-optimized web platform

• A startup aiming to facilitate AI access to the Arab world:
• Engineered a robust Personal AI Assistant with advanced hallucination prevention, implementing a RAG system and innovative judge LLM to ensure accuracy of information in critical applications
• Developed a secure multi-tenant system for document analysis application, enabling multiple organizations to use the platform while maintaining strict data isolation and privacy
• Optimized AI model performance by fine-tuning LLM parameters and implementing a dual-LLM verification process, significantly reducing false information in user responses
• Created a scalable document analysis solution using Langchain and Pinecone DB, efficiently handling documents up to 20 pages while ensuring accurate information retrieval
• Designed and implemented full-stack features integrating Next.js frontend with PostgreSQL and Redis backends, focusing on performance optimization and secure data handling across the application stack

Cairo, Egypt

• An entertainment app that streams music, offers vouchers to users, and maintains a directory of events happening in Sheikh Zayed:
• Developed and deployed a cross-platform radio app using Flutter and Firebase in just two weeks, significantly reducing development time and costs for a client with budget constraints
• Implemented efficient music streaming functionality, overcoming technical challenges to ensure smooth performance and enhance user experience
• Successfully navigated App Store regulations, finding a solution to publish the app while complying with music licensing requirements
• Managed client expectations through weekly progress meetings, delivering a workable product every week and incorporating feedback for continuous improvement
• Utilized Firebase as a cost-effective backend solution, optimizing app performance within limited resources while meeting project requirements

The end user didn’t have access to make bulk changes to his database:- Developed a Python script to modify the database using Selenium: The user needed to update and add products, so I created a bot that was slow to simulate human behavior to avoid getting an IP ban from the cloud provider. - Kept logging functions to track items before and after changing.

Cairo, Egypt

Managing and maintaining content quality for the Cairo360.com website:- Setting a direction for the platform’s content: The editorial team consisted of 8 people with different thoughts and ideas, so we worked together to channel these thoughts in the right direction that was relevant to our readers.- Fact-checking, proofreading, and editing the articles.

Cairo, Egypt