About
Full Stack Engineer
Results-driven Software Engineer with expertise in building high-performance applications using Go, Node.js, and React. Experienced in API design and distributed system architectures. Successfully delivered multiple projects for both companies and freelance clients, focusing on scalable solutions and quality code.
- API Design: Creating intuitive and efficient RESTful APIs with comprehensive documentation
- Database Optimization: Working with PostgreSQL, MongoDB, Firebase, and implementing efficient caching with Redis
- System Architecture: Building scalable backend solutions with clean, maintainable code
- Payment Integration: Implementing secure payment systems with multiple providers
Passionate about creating elegant solutions to challenging technical problems while maintaining code quality and system reliability.
Resume
Professional Experience
Full Stack Engineer at TIXAE.AI
Jun 2025 - Present
PastPal — AI-Powered Writing Platform
- Architected and implemented comprehensive Stripe-based billing system supporting multiple subscription tiers, pay-as-you-go (PAYG) pricing, credit packs, and add-ons
- Built automated usage tracking and webhook processing for seamless payment management
- Developed scalable text editor integration using Tiptap with real-time collaboration features
- Implemented document versioning and advanced formatting capabilities
Software Engineer at TechBridge Lab
Aug 2024 - May 2025
DubbingHub — AI-Powered Video Dubbing Platform
- Built distributed video processing system with Golang, AWS SQS, and S3
- Designed and implemented multi-stage pipeline integrating multiple AI services (Deepgram, Play.ht, Replicate) for speech recognition, translation, and voice synthesis dubbing
- Implemented Stripe-powered billing with token-based subscription tiers
- Built secure YouTube integration with OAuth authentication and implemented PubSubHubbub (WebSub) protocol
- Utilized FFmpeg for media processing to handle audio extraction, manipulation, and preservation
Feedbq.io — Enterprise Feedback Management Platform
- Implemented Caching System using Redis reducing API response times by 60%
- Executed database migration from MongoDB to PostgreSQL, implementing Drizzle ORM for type-safe queries
- Built integration system connecting 6+ project management platforms (Discord, Slack, Jira, ClickUp, Asana, Linear)
- Implemented tiered subscription billing system with Stripe
- Created API documentation with Swagger/Tsoa and implemented content moderation
Freelance Software Engineer
Oct 2023 - Present
Leopard ERP & E-commerce Platform
- Designed and developed comprehensive ERP system with integrated e-commerce functionality
- Implemented multi-warehouse inventory system with stock transfers and movement tracking
- Integrated Paymob payment gateway supporting multiple payment methods with vendor management
- Created comprehensive analytics dashboard with financial reporting
- Built fixed asset management module with book value tracking
Rakad On-Demand Car Wash Platform
- Developed Node.js/TypeScript backend with MongoDB for on-demand car wash marketplace
- Implemented geospatial service matching algorithm for efficient worker-to-customer assignment
- Built real-time location tracking with WebSocket for updates and notifications
- Integrated multiple payment gateways (Moyasar, Tabby, Tamara)
- Designed worker earnings system with automated commission calculations and admin dashboard
Parent-Connect Social Platform
- Developed intelligent matching algorithm connecting parents based on children's educational activities
- Implemented secure authentication with OAuth for multiple login providers
- Created location-based services for community building
Skills
Here are my key technical skills and expertise:
Programming & Frameworks
- Golang, Node.js, TypeScript, JavaScript
- Express, Gin, NestJS, React
- Tiptap, Next.js, Firebase
Databases & ORM
- PostgreSQL, MongoDB, Redis
- Drizzle ORM, Mongoose
API Technologies
- OpenAPI/Swagger, WebSockets
- PubSubHubbub/WebSub, Webhooks, OAuth
Cloud & DevOps
- AWS (EC2, S3, SQS), Docker
- Nginx, CI/CD (GitHub Actions)
Payment Systems
- Stripe, Paymob, Moyasar
- Tabby, Tamara
Tools & Services
- FFmpeg, Git, Jest
- AI Services Integration (Deepgram, Play.ht, Replicate)
Education
Education
Bachelor's Degree in Computer Science
Helwan University - Cairo, Egypt
GPA: 3.1/4.0
Graduation Project: Fixflex
- Developed platform connecting homeowners with service providers
- Implemented real-time chat, location-based service matching, and payment processing
- Technologies: Node.js, TypeScript, MongoDB, WebSocket, Redis
Contact
Location:
Cairo, Egypt
Email:
contact@ahmadalasiri.info
Call:
(+20) 1066032817