You will get Professional SaaS Web Application


Project details
I excel at developing multi-platform web SaaS platforms, offering solutions tailored to each stage of the project. My proposal is organized into three levels:
Starter (basic MVP): ideal for validating ideas with a functional and responsive SaaS.
Standard (professional SaaS): designed for projects seeking to grow with integrations, managed content, and initial scalability.
Advanced (complete multi-platform SaaS): a robust solution with modern architecture, advanced security, and ready to scale in the cloud.
What sets me apart from other profiles on Upwork is my ability to deliver end-to-end projects: from architectural design and frontend and backend construction to API integration, automation with n8n, LLMs, and cloud services, always with a focus on security, clean code, and maintainability.
Each delivery includes comprehensive testing, clear documentation, and a strategic vision to ensure that your platform not only works today but is ready to grow tomorrow.
Starter (basic MVP): ideal for validating ideas with a functional and responsive SaaS.
Standard (professional SaaS): designed for projects seeking to grow with integrations, managed content, and initial scalability.
Advanced (complete multi-platform SaaS): a robust solution with modern architecture, advanced security, and ready to scale in the cloud.
What sets me apart from other profiles on Upwork is my ability to deliver end-to-end projects: from architectural design and frontend and backend construction to API integration, automation with n8n, LLMs, and cloud services, always with a focus on security, clean code, and maintainability.
Each delivery includes comprehensive testing, clear documentation, and a strategic vision to ensure that your platform not only works today but is ready to grow tomorrow.
Programming Languages
TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$500
|
Standard
$1,100
|
Advanced
$2,700
|
|---|---|---|---|
| Delivery Time | 8 days | 15 days | 30 days |
Number of Revisions | 2 | 7 | Unlimited |
Number of Pages | 3 | 6 | 12 |
Design Customization | - | ||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $400
Additional Revision
+$40
Additional Page
(+ 1 Day)
+$150
Design Customization
(+ 2 Days)
+$200
Content Upload
(+ 4 Days)
+$400Frequently asked questions
About Sergio
API dev. Web dev. FullStack. React/node.js/express/postgres/NoSQL
Madrid, Spain - 5:18 am local time
Actualmente centrado en Marketing de Performance online,
plataformas de Lead Management, Project Management, Business
Intelligence, Innovación Tecnológica, y cualquier proceso para
integrar las comunicaciones de leads online y offline con el fin de
aumentar los ingresos y cerrar las ventas más rápidamente.
Steps for completing your project
After purchasing the project, send requirements so Sergio can start the project.
Delivery time starts when Sergio receives requirements from you.
Sergio works on your project following the steps below.
Revisions may occur after the delivery date.
Reunión inicial y análisis de requisitos
Definimos juntos objetivos, funcionalidades clave, diseño esperado e integraciones necesarias para que el proyecto empiece con una base clara.
Diseño de estructura y prototipado
Creo wireframes y una arquitectura base que refleje la experiencia del usuario y la escalabilidad de la plataforma SaaS.



