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I will build a robust java spring boot rest API
Valeria Guillen
About this gig
Welcome to my Full Stack & Java Spring Boot Development Gig!
Looking for a secure, fast, and scalable backend or full-stack web application? I am here to build a high-quality system tailored exactly to your needs.
I specialize in creating robust web solutions combining clean frontend design with powerful backend architectures.
What I offer:
- Robust REST API Development using Java & Spring Boot
- Secure Backend Systems (JWT & Authentication)
- Database Design & Integration (SQL/NoSQL)
- Responsive Frontend Design (HTML5, CSS3, JavaScript, Bootstrap/Tailwind)
- API Documentation with Swagger / Postman collections
- Clean, well-commented code & automated QA testing procedures for top quality
Why choose me?
- Quality & Automation Focus: Every endpoint is verified and tested to guarantee bug-free and smooth performance.
- Clean Architecture: Built for high scalability and easy maintenance.
- On-Time Delivery: Fast execution with professional support and communication.
Please contact me before placing an order to discuss your project requirements! Let's build something amazing together.
Get to know Valeria Guillen
Valeria Guillen
Computer Systems Engineer
- FromMexico
- Member sinceJan 2026
- Avg. response time1 hour
Languages
Spanish
Soy Ingeniera en Sistemas Computacionales experta en desarrollo iOS nativo con Swift y arquitecturas VIPER/MVVM. Con trayectoria en proyectos freelance, domino el ciclo completo de desarrollo, desde la creación de módulos UI hasta el consumo de APIs. Mi enfoque se centra en soluciones escalables, testeables y de alta calidad. Poseo sólida capacidad analítica para resolver problemas complejos y me adapto rápidamente a entornos de alta exigencia.
My Portfolio
FAQ
What do you need from me to start the project?
I will need a brief description of your project requirements, any specific features you want to include, and examples or mockups if you have them. If your project connects to an existing database or external API, providing those details will be very helpful.
Which technologies do you use for backend security and testing?
For secure authentication, I implement JWT (JSON Web Tokens) or Spring Security. To ensure high quality, I write unit tests and integration tests in Java, and use Postman or Swagger to thoroughly verify that every REST API endpoint works perfectly.
Can you deploy the application to a cloud server?
My standard packages include delivering the complete, clean source code and local project configuration. If you need assistance deploying the application to cloud environments like AWS, Heroku, or Render, we can discuss it as a custom extension to the project.
