You will get Modernize Your Legacy Systems: Refactor, Optimize, and Scale
Project details
Is your legacy system holding your business back? Slow performance, constant bugs, or fear of touching the code? I modernize outdated applications—without rewriting everything from scratch.
I’ll refactor your code, eliminate technical debt, boost speed by 2x–10x, and future-proof your stack with clean architecture, Docker, and scalable patterns. Whether it’s Node.js, NesJs or .NET—I’ve done it.
🔥 Real results: Recently delivered a $7,800 Upwork project in just 3 months with 5-star feedback—building a robust system using NestJS, RabbitMQ, MongoDB, and microservices that’s still running flawlessly today.
I don’t just write code—I solve business problems. Secure, transparent, and deadline-driven. Let’s turn your legacy liability into a high-performance asset.
I’ll refactor your code, eliminate technical debt, boost speed by 2x–10x, and future-proof your stack with clean architecture, Docker, and scalable patterns. Whether it’s Node.js, NesJs or .NET—I’ve done it.
🔥 Real results: Recently delivered a $7,800 Upwork project in just 3 months with 5-star feedback—building a robust system using NestJS, RabbitMQ, MongoDB, and microservices that’s still running flawlessly today.
I don’t just write code—I solve business problems. Secure, transparent, and deadline-driven. Let’s turn your legacy liability into a high-performance asset.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$2,000
|
Standard
$4,500
|
Advanced
$7,000
|
|---|---|---|---|
| Delivery Time | 21 days | 50 days | 70 days |
Number of Revisions | 1 | 2 | 3 |
Bug Investigation | |||
Fix Documentation | |||
Detailed Code Comments | - |
Frequently asked questions
About Hamzeh
Senior NestJS Developer 7.8K+ USD Proven Track Record
Izmir, Turkey - 1:01 am local time
✅ ENTERPRISE EXPERIENCE: Delivered complex e-commerce backend using NestJS, RabbitMQ, and microservices architecture
🚀 WHAT I DELIVER:
- Backend Development: NestJS (TypeScript), Node.js, Express.js
- Microservices Integration: RabbitMQ message queues, event-driven design
- Database Design: MongoDB, PostgreSQL, MySQL optimization
- API Development: RESTful services, third-party integrations
- Full-Stack Experience: 15+ years across desktop (C#/.NET) and modern web technologies
- Team Collaboration: Enterprise-level workflows, code reviews, documentation
💼 RECENT SUCCESS:
Delivered $7.8K e-commerce platform backend for international client using NestJS microservices architecture with RabbitMQ integration. Project completed successfully with 5-star rating.
⚡ WHY WORK WITH ME:
✓ Proven track record (not just promises)
✓ Clean, maintainable code with proper documentation
✓ Strong communication (translated technical books - fluent English)
✓ Reliable delivery and transparent updates
✓ Long-term partnership mindset
🎯 BEST FIT FOR:
- SaaS backend development
- E-commerce systems
- API development and integrations
- Microservices architecture
- Node.js/NestJS projects requiring senior expertise
⏰ AVAILABILITY: 20-25 hours/week with flexible scheduling for US/EU time zones
Ready to build something great together? Let's discuss your project requirements.
Rate: $30-35/hour based on project scope
Steps for completing your project
After purchasing the project, send requirements so Hamzeh can start the project.
Delivery time starts when Hamzeh receives requirements from you.
Hamzeh works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Audit
Deep dive into your codebase, architecture, and pain points. I’ll map technical debt and define clear modernization goals.
Roadmap & Planning
Agree on priorities: performance, stability, cloud readiness, or scalability. Set milestones with transparent deliverables.