Mohamed Elzaafarani
Verified Expert in Engineering
Full-stack Software Engineer and Developer
Limassol, Cyprus
Toptal member since November 5, 2026
Mohamed is a full-stack software engineer with 5+ years of experience building scalable web and mobile applications. He specializes in Next.js, React, Node.js, and TypeScript, with expertise in system architecture, performance optimization, payment integrations, and AI-powered solutions. As the founder of Beytak, Mohamed led the development of a production marketplace from concept to launch, owning both engineering and product decisions.
Portfolio
Experience
- Node.js - 4 years
- Prisma - 4 years
- Tailwind CSS - 4 years
- TypeScript - 4 years
- PostgreSQL - 4 years
- Next.js - 4 years
- Full-stack Development - 4 years
- LLM Integration - 2 years
Work Experience
Co-founder | CTO | Full-stack Engineer
Beytak
- Co-founded and led the engineering of a bilingual vacation-rental marketplace across a Next.js PWA and React Native/Expo app, taking core product experiences from architecture through launch.
- Designed a shared back end with around 80 secure Next.js API routes serving web and mobile clients.
- Designed the marketplace data model with 60+ Prisma models and managed database evolution across 164 migrations.
- Built an OpenAI-powered operations agent connected to platform data to support user management, customer support, and internal workflows.
- Integrated Paymob booking and easy checkout flows.
- Integrated Mapbox, Twilio, and Didit identity verification.
- Integrated automated iCal synchronization for double-booking handling.
- Developed real-time messaging with Express.js and Socket.IO.
- Delivered English and Arabic localization with native RTL support.
Full-stack Web Developer
Freelance Clients
- Delivered full-stack client applications with JavaScript/TypeScript, React, Next.js, and Node.js, owning implementation from requirements through deployment.
- Designed REST APIs and data layers with Express.js, PostgreSQL, Prisma, MongoDB, MySQL, and Supabase.
- Integrated Stripe payment, billing, and subscription workflows, as well as 3rd-party APIs and external services.
- Improved technical SEO, Core Web Vitals, and responsive user experiences, with a focus on search visibility and conversion.
Project History
Beytak | Vacation Rental Marketplace
https://www.beytak.co/Key features include advanced property search, interactive maps, secure online payments, real-time messaging, automated booking workflows, and AI-powered customer support. The platform supports Arabic and English, offering localized experiences for both domestic and international travelers.
IQ Town | Online IQ Testing Platform
https://www.theiqtown.com/With 500+ free questions and a structured content strategy, the platform is designed to attract users across a broad range of low-competition search queries, convert organic visitors into paying customers through a premium 30-question IQ assessment, and maximize revenue through optimized checkout and upsell funnels.
The platform includes custom-built source code, SEO infrastructure, analytics, and end-to-end KPI tracking to measure traffic, engagement, purchases, and conversion performance.
Education
Bachelor's Degree in Engineering
Moscow State University of Civil Engineering (MSUCE) - Moscow, Russia
Certifications
Software Engineering
ALX
Skills
Libraries/APIs
iCal, Socket.IO, React, Node.js, Stripe, OpenAI API, REST APIs, WhatsApp API, Gmail API, Mapbox API, Google Maps
Tools
Prisma, GitHub, Claude, Git, Expo, Figma
Languages
JavaScript, TypeScript, HTML, CSS, Python, C, GraphQL
Frameworks
Next.js, Express.js, Tailwind CSS, Redux, React Native, Flask
Platforms
Mapbox, Twilio, Docker, Linux, Firebase, Vercel, Amazon Web Services (AWS)
Storage
PostgreSQL, MongoDB, NoSQL, MySQL
Other
OpenAI, RTL, Supabase, Technical SEO, Core Web Vitals, Windows Subsystem for Linux (WSL), CI/CD Pipelines, State Management, LLM Integration, AI Workflows, API Design, Performance Optimization, Anthropic, Software Architecture, Payments, Analysis, CMS, Data Structures, Algorithms, Full-stack Development, CRM, RESTFul APIs, AI Agents, AI Automation, Webhooks, Web Development, Front-end Development, Authentication, Full-stack, Right-to-Left (RTL) Scripts, Large Language Models (LLMs), Search Engines, Natural Language Processing (NLP), Prompt Engineering, Pgvector, Recommendation Systems, Vector Search, AI-assisted Development, secure code, PWA, Tracking, AWS
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