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I will develop robust backend systems in java and node js
freelancer-jimy
Über diesen Service
Need a secure, high-performance backend that won't crash under production loads?
With 15+ years of expertise in software architecture, I build robust, scalable, and production-ready backend systems using Java and Node.js, strictly following Domain-Driven Design (DDD) principles.
What I Deliver:
- High-Performance APIs (Spring Boot, Express, GraphQL)
- Secure Auth & Identity Management (JWT, OAuth2)
- Database Design & Optimization (MySQL, PostgreSQL, MongoDB)
- Microservices & Third-party API Integration
- Performance Tuning, Code Audits & Bug Fixing
Why Work With Me?
- Clean Architecture: 100% maintainable, industry-standard code.
- AI-Augmented Speed: Leveraging Claude/Cursor for faster delivery and rigorous unit testing.
- Enterprise-Grade Quality: Proven track record in large-scale systems.
Message me now to discuss your custom project requirements!
Lerne freelancer-jimy kennen
freelancer-jimy
fullstackengineer
- AusChina
- Mitglied seitJuli 2026
- ⌀ Antwortzeit1 Stunde
Sprachen
Chinesisch, Englisch
Hi, we are franlancer6688, a premium full-stack development studio. With nearly two decades of tech industry experience, we specialize in building robust, scalable, and high-performance enterprise software solutions.
Our core expertise lies in Domain-Driven Design (DDD), legacy system refactoring, and database optimization. Whether you need heavy-duty Java backends, high-frequency Node.js microservices, or interactive React/Next.js frontends, we deliver clean, maintainable, and production-ready code. Let's build together!
FAQ
Should I contact you before placing an order?
es, absolutely. Please message me before ordering to discuss your technical requirements, system architecture, and tech stack. This ensures we align perfectly on the project scope and delivery timeline.
What will I receive as the final delivery?
You will receive production-ready, clean, and well-commented source code built on Clean Architecture/DDD principles. For applicable packages, it also includes comprehensive API documentation (Swagger/Postman) and initial setup guides.
Do your packages include cloud hosting or third-party API fees?
No. The buyer is responsible for providing and paying for their own cloud hosting (AWS, Azure, DigitalOcean, etc.) and any necessary third-party subscription fees. I will handle the deployment and configuration on your infrastructure.
How do you use AI tools like Claude or Cursor in development?
I use advanced AI editors exclusively to accelerate boilerplate code writing, auto-generate rigorous unit testing, and perform syntax checks. Every single line of core business logic, database query, and system architecture is hand-crafted and fully verified by myself to ensure enterprise-grade secu
