I will develop a secure custom backend and admin panel with java spring boot


About this gig
Is your business running on slow, insecure, or unscalable software?
Don't let a weak backend crash your startup. I am a Senior Java Architect with 15+ years of experience. I build "bank-grade" secure backends using Spring Boot that can scale to millions of users.
Unlike others who just write code, I provide a Full Backend Solution: from Database design to API development, and even a visual Admin Panel for you to control everything.
️ The Enterprise Tech Stack:
- Language: Java (Spring Boot, Hibernate, JPA)
- Database: MySQL, PostgreSQL, MongoDB, Redis
- Security: JWT, OAuth2, Spring Security (Bank-level protection)
- Admin Panel: Vue.js / React (Modern UI)
What Can I Do?
- Build custom RESTful APIs from scratch.
- Fix bugs & optimize slow queries in existing apps.
- Migrate legacy systems (PHP/Node) to robust Java.
- Develop a Web Admin Dashboard to manage users, orders, and content.
Why Choose Me?
- 15+ Years Expert: I solve complex logic that junior devs can't handle.
- AI-Assisted Speed: I deliver high-quality code 2x faster.
- Documentation: You get full Swagger API docs.
️ MESSAGE ME FIRST to discuss your architecture and get a custom quote!
Get to know Jack W.
Senior Java Architect and Full Stack AI Expert
- FromChina
- Member sinceJan 2026
- Avg. response time7 hours
- Last delivery2 weeks
Languages
Chinese, English
FAQ
Can you integrate AI models (like ChatGPT) into my backend?
Yes! I have extensive experience integrating OpenAI API, Gemini, and other LLMs into Java Spring Boot applications to build smart features.
Do you provide source code?
Yes, full source code is included in all packages (Basic, Standard, and Premium) at no extra cost.
Can you fix bugs in my existing project?
Absolutely. I have 15 years of experience in debugging complex systems. Please send me your code or error logs first so I can assess the effort.

