Website design
Modern, responsive websites that present your brand clearly and help visitors take action.
Fullstack Software Developer
Websites and web applications for businesses ready to grow.
I am Luis Martinez, a fullstack developer specialized in Java, Spring Boot, Angular, TypeScript, MySQL, Docker, JWT, and REST APIs. I help entrepreneurs, associations, companies, and recruiters turn ideas into clear, secure, and maintainable digital products.
- Stack
- Java + Angular
- Services
- Websites and systems
- Focus
- Maintainable code
About me
Practical solutions for real business needs.
I design and develop web solutions that are easy for users, solid for teams, and maintainable over time. My work connects strong frontend experience with reliable backend foundations.
I can help you with a professional website, a landing page to attract clients, a custom web application, an admin system, or maintenance for an existing product.
Services
Digital services for clients, businesses, and teams.
Web application development
Custom applications, dashboards, admin tools, and platforms connected to real data.
Landing pages for businesses
Conversion-focused pages for services, products, launches, and campaigns.
Admin systems
Internal tools for clients, invoices, users, reports, operations, and business workflows.
Web maintenance
Improvements, fixes, updates, optimization, and support for existing websites and applications.
Projects
Selected work and product experience.
Billing system
LMInvoice
A web-based billing system built with Spring Boot and Angular. The project focuses on invoices, client management, secure authentication, REST APIs, and business workflows for small organizations and entrepreneurs.
- Spring Boot backend with REST API architecture
- Angular and TypeScript frontend
- JWT authentication and MySQL persistence
- Docker-ready development workflow
Spring Boot
Angular
MySQL
JWT
Docker
Financial management system
LMFinanz
A financial management web application designed to organize income, expenses, categories, balances, and financial activity in a clear administrative interface.
- Financial dashboard for quick business overview
- Income and expense organization by category
- Secure user access and structured data management
- Built as a maintainable fullstack web system
Java
Spring Boot
Angular
MySQL
REST APIs
Technologies
A stack built for fullstack products.
- Java
- Spring Boot
- Angular
- TypeScript
- MySQL
- Docker
- JWT
- REST APIs
- HTML5
- CSS3
- Git
- Responsive Design
How I work
A clear process from idea to delivery.
Understand
We define goals, users, features, and the simplest version that creates value.
Design
I map the structure, user flow, and interface so the product feels easy to use.
Build
I develop the frontend, backend, database, APIs, and integrations with clean code.
Deliver
We review, refine, test responsiveness, and prepare the project for real users.
Contact
Have a project, opportunity, or idea?
Let us talk about your website, web application, admin system, or development role. I can help you clarify the scope, choose a practical technical approach, and move toward a working product.