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I will develop custom web apps in java spring boot c sharp and microservices
Leo
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Welcome! Are you looking for a high-performance, enterprise-grade web application built by a Senior Software Architect?
With over 20 years of hands-on experience in software engineering, I specialize in designing scalable full-stack platforms, high-throughput backend systems, and clean RESTful APIs.
Tech Stack & Capabilities:
- Backend Core: Java (Spring Boot, Spring Cloud, Hibernate) & C# (.NET Core, ASP.NET).
- Frontend Frameworks: Vue.js, React.js, Bootstrap, Tailwind CSS.
- Microservices & APIs: RESTful API design, JWT Authentication, Microservices architecture, Swagger docs.
- Database Engineering: MySQL, PostgreSQL, Redis caching, SQL optimization, schema design.
- DevOps & Infrastructure: Docker containerization, VPS/Linux deployment, CI/CD pipelines.
Why Choose Me?
- 20+ Years Field Experience: Senior architect-level code quality, system stability, and maintainability.
- Business-Driven Development: Deep understanding of business logic to align tech solutions with your goals.
- Clean Code & Docs: Fully commented code, complete API documentation, and clear communication.
️ Please message me with your project details before placing an order so we can discuss the optimal architecture for your
Conoce a Leo
Leo
Senior Full Stack Engineer: Java, Spring Boot, C Sharp, Vue, React, Mobile
- DeChina
- Miembro desdejul 2026
- Responde aprox. en:1 hora
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Inglés
Hi, I'm a Senior Software Engineer specializing in full-stack, backend, and mobile development.
Tech Stack:
Backend: Java (Spring Boot/Cloud), C# (.NET), Python
Frontend & Mobile: Vue, React, Android, iOS
Database & Infra: MySQL, PostgreSQL, REST APIs, Microservices, Docker
Services I Offer:
Custom RESTful API development & third-party integrations
Database schema design & query performance optimization
Full-stack web platforms & mobile app modules
Python scripts for automation & data processing
I deliver clean code, solid architecture, and clear docs. Message me to start!
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FAQ
Should I contact you before placing an order?
es, absolutely! Please send me a message with your project requirements first. This allows us to review your business logic, agree on the technical scope, and choose the most cost-effective package or custom offer for your needs.
Do you provide full source code and technical documentation?
Yes. Every completed order includes 100% clean, fully commented source code and comprehensive API documentation (such as Swagger/Postman collections) to ensure your system is easy to maintain and scale.
What tech stack do you specialize in?
I specialize in enterprise backend architectures using Java (Spring Boot / Spring Cloud) and C# (.NET Core), alongside modern frontends like Vue.js and React.js. I also handle MySQL/PostgreSQL database optimization and Docker deployment.
Can you refactor or fix bugs in an existing project?
Yes. With over 20 years of architecture experience, I can refactor legacy code, fix complex backend bugs, optimize slow SQL queries, or upgrade your current application to modern frameworks.
Do you offer post-delivery support?
Yes, I provide post-delivery technical support to ensure your application runs smoothly in production. If any bugs related to the agreed scope arise after delivery, I will fix them promptly.
