About
Software Engineer
Backend-focused Software Engineer with hands-on experience designing and delivering scalable, high-performance systems using Go, Node.js, and React. Skilled in API design, microservices, and distributed architectures, with a strong focus on reliability, clean code, and system performance. Proven track record of building SaaS platforms, AI-powered applications, and e-commerce solutions for companies and clients.
- API Design & Microservices: Creating intuitive RESTful APIs and scalable microservice architectures with comprehensive documentation
- Database Optimization: Expert in PostgreSQL, MongoDB, Redis with focus on query optimization, indexing, and database design
- Distributed Systems: Building high-performance backend solutions with AWS (EC2, S3, SQS), Docker, and cloud infrastructure
- Payment Integration: Implementing secure payment systems with Stripe, Paymob, and multiple payment providers
- AI Integration: Experience with AI-powered applications and services integration
Passionate about creating elegant solutions to challenging technical problems while maintaining code quality, system reliability, and optimal performance.
Resume
Professional Experience
Software Engineer at Classera
Dec 2025 - Present
Full-time · Remote · Cairo, Egypt
Classera is a leading EdTech company providing learning management systems to 30+ million users across 40+ countries:
- Working on migrating a legacy PHP codebase to Golang to enhance performance, scalability, and database efficiency
Full Stack Engineer at TIXAE.AI
Jun 2025 - Oct 2025
Full-time · Florida, United States · Remote
Developing AI-powered solutions for modern businesses at a leading AI automation company
PastPal — AI-Powered Writing Platform
- Architected multi-tier billing system with Stripe and enterprise team management system with RBAC
- Developed collaborative editor using Tiptap with version control and role-based permissions
- Optimized database queries, reducing average page load time by 50%
Agrivoz — AI-Powered Agricultural Knowledge Platform
- Built AI agricultural interviewer system conducting structured interviews with farming experts through conversational chat interface
- Developed regional guide management system and AI-powered content editing tools for knowledge conversion
Software Engineer at TechBridge Lab
Aug 2024 - May 2025
United States · Remote
Developed and maintained multiple high-impact SaaS projects
DubbingHub — AI-Powered Video Dubbing Platform
- Architected distributed video processing pipeline using Go, AWS SQS, and S3 for scalable video processing
- Integrated 4 AI services (Replicate, Deepgram, DeepL, Play.ht) into multi-stage pipeline for audio separation, speech-to-text transcription, neural translation, and voice synthesis
- Implemented token-based subscription system with Stripe and automated billing and usage tracking
- Built YouTube OAuth integration with PubSubHubbub protocol for real-time content change notifications and automatic video processing
- Optimized FFmpeg processing scripts for audio extraction, manipulation, and preservation of soundtracks
Feedbq.io — Enterprise Feedback Management Platform
- Implemented Redis caching layer with TTL strategies and cache invalidation, reducing API response times by 60% (from 800ms to 320ms)
- Led database migration from MongoDB to PostgreSQL using Drizzle ORM with zero downtime and 100% data integrity
- Engineered webhook-based integration system connecting 6+ platforms (Discord, Slack, Jira, ClickUp, Asana, Linear)
- Developed tiered subscription billing with Stripe, supporting 3 pricing tiers with automated invoicing
- Created OpenAPI documentation automatically with Swagger/Tsoa
- Implemented automated content moderation system before human review
Freelance Software Engineer
2023 - Present
Remote
Delivering end-to-end solutions for international clients across diverse industries
Gen Z Wellness App — Comprehensive Wellness Platform
- Architected full-stack wellness platform using NestJS and Next.js deployed on Azure (Cosmos DB, Blob Storage, App Service) with CI/CD pipelines supporting 18+ provider categories
- Built real-time chat system with WebSocket and anonymous community platform (Zync) with threaded discussions and automated content moderation
- Integrated Stripe payment processing and Google Calendar with OAuth2, automatic event creation, and Google Meet link generation
- Developed automated mental health scoring system for validated assessments (PHQ-9, GAD-7) with wellness tracking (mood, sleep, diet, fitness)
Leopard ERP & E-commerce Platform
- Architected and delivered full-stack ERP system with integrated e-commerce functionality
- Engineered multi-warehouse inventory system with movement management
- Integrated Paymob payment gateway supporting 3+ payment methods, achieving 100% transaction success rate and handling vendor management
- Built financial analytics dashboard with automated reporting and real-time business insights
- Developed 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 matching algorithm using MongoDB geospatial queries for efficient worker assignment
- Built real-time tracking system with WebSocket for location updates and notifications
- Integrated 3 payment gateways (Moyasar, Tabby, Tamara) with automatic fallback
- Created automated commission system with transparent earnings tracking
- Designed admin dashboard with metrics for operations management
Parent-Connect Social Platform
- Built intelligent matching algorithm connecting parents based on children's ages, schools, and educational activities
- Implemented OAuth 2.0 authentication with multiple providers
- Developed location-based services with proximity search for community building
- Optimized database queries and indexing for fast match recommendations
Skills
Here are my key technical skills and expertise:
Languages & Frameworks
- Golang, Node.js, TypeScript, React
- JavaScript, Express.js, Gin, NestJS, Next.js
Databases & Caching
- PostgreSQL, MongoDB, Redis, Firebase
- Drizzle ORM, Mongoose
- Database Design, Query Optimization, Indexing
Cloud & Infrastructure
- AWS (EC2, S3, SQS), Docker
- Nginx, Linux, Serverless
DevOps & CI/CD
- GitHub Actions, Git, Docker Compose
- CI/CD Pipelines, Automated Deployment
API & Architecture
- RESTful APIs, WebSockets, OpenAPI/Swagger
- Webhooks, OAuth 2.0, PubSubHubbub/WebSub
- API Design, Microservices, System Design
Testing & Quality
- Jest, Unit Testing, Integration Testing
- Code Review, TDD
Payment Integration
- Stripe, Paymob, Moyasar, Tabby, Tamara
- Payment Gateway Integration
Tools & Practices
- FFmpeg, Tiptap, Agile/Scrum
- Performance Optimization
- AI Services (Replicate, Deepgram, DeepL, Play.ht)
Education
Education
Bachelor's Degree in Computer Science
Helwan University - Cairo, Egypt
GPA: 3.1/4.0
Graduation Project: Fixflex A+
- 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, Nginx, AWS
Contact
Location:
Cairo, Egypt
Email:
contact@ahmadalasiri.info
Call:
(+20) 1066032817