About Me
Education
Software Engineer graduated from Universidad de Guayaquil, with solid experience in developing enterprise solutions, scalable architectures and intelligent automation.
Professional Experience
I have worked at Sudamericana de Software for more than 3 years, participating in multidisciplinary projects:
- •Automations with n8n
- •Complex e-commerce systems
- •SPA applications for Claro
- •Microservices with Spring Boot and NestJS
- •Secure integrations with GraphQL, REST and SOAP
- •CI/CD with GitHub Actions, SonarQube and cloud deployments
Currently
Currently, I collaborate with Sofka Technologies as a development consultant for financial entities, implementing secure solutions in banking and core banking, on Azure, AWS and Spring Boot infrastructures.
Create with purpose, automate with intelligence and scale with good practices.
My Services
Comprehensive technology solutions
Full Stack Development
Web and mobile application development with the latest technologies. Specialized in React, Angular, NestJS and Spring Boot.
- SPA Applications
- Microservices
- REST and GraphQL APIs
- Scalable architectures
Artificial Intelligence
Creation of intelligent agents and personalized assistants to automate processes and improve user experience.
- Personalized AI agents
- Data analysis
- Intelligent automation
- Advanced chatbots
Automation
Implementation of automated workflows with n8n and other tools to optimize business processes.
- Workflows with n8n
- API integrations
- CI/CD pipelines
- Business processes
Technical Consulting
Software architecture advice, best practices and digital transformation for companies and startups.
- Software architecture
- Code reviews
- Technology migration
- Team training
Outstanding Achievements
Projects that have generated real impact on companies and users
React Framework
I created a custom framework that integrates TanStack, React Router and React Hook Form, optimized for micro frontends.
It was acquired by the Difare group for their technological migration.
Advanced Security with GraphQL
I redesigned the security layer of a Postgraphile API combining controlled introspection and GraphShield.
I achieved an end-to-end secure GraphQL layer with complete data protection.
Financial AI Agent
I developed an intelligent agent that helps users manage their "ant expenses".
Applying automated consumption analysis and progressive financial education.
Technology Stack
Tools and technologies with which I build high-performance solutions
Backend
Frontend
APIs
Cloud & DevOps
Databases
Automation & AI
Siempre aprendiendo. Me mantengo actualizado con las últimas tendencias y tecnologías para ofrecer las mejores soluciones.
Testimonials
What people who have worked with me say
With the implementation of the React library, creating my administrative dashboards took less than 2 hours, it's impressive.
Ronald Preciado
Software Engineer
With the expense management app, I was able to control my monthly expenses more consciously, it helps a lot to become aware of what we do with our economy.
Angie Argudo
Data Engineer
Working with Josthin was a privilege, he has effective communication and is always very willing to help those around him, he shares his knowledge creatively.
Kelvin Vargas
Software Project Leader
Having Josthin as a colleague always means seeing product quality first before functionality, you will never see a half-baked solution or technical debt from him.
Guillermo Zevallos
Software Project Coordinator
Communication with Josthin is very effective and friendly, testing his components was no headache, everything is very well documented and always meeting quality and usability standards.
Franklin Campoverde
QA Engineer
Having Josthin as a guide is a privilege, always supporting you in what you need to be able to move forward.
Janeor Loor
Database Engineer
Being able to control my consumption automatically saved me a lot of time because I don't have to open an app to register, it's wonderful.
Magaly Castillo
Client
I really liked the way I manage my expenses now, I didn't even have to download an application.
Danna Bailon
Client
With the implementation of the React library, creating my administrative dashboards took less than 2 hours, it's impressive.
Ronald Preciado
Software Engineer
With the expense management app, I was able to control my monthly expenses more consciously, it helps a lot to become aware of what we do with our economy.
Angie Argudo
Data Engineer
Working with Josthin was a privilege, he has effective communication and is always very willing to help those around him, he shares his knowledge creatively.
Kelvin Vargas
Software Project Leader
Having Josthin as a colleague always means seeing product quality first before functionality, you will never see a half-baked solution or technical debt from him.
Guillermo Zevallos
Software Project Coordinator
Communication with Josthin is very effective and friendly, testing his components was no headache, everything is very well documented and always meeting quality and usability standards.
Franklin Campoverde
QA Engineer
Having Josthin as a guide is a privilege, always supporting you in what you need to be able to move forward.
Janeor Loor
Database Engineer
Being able to control my consumption automatically saved me a lot of time because I don't have to open an app to register, it's wonderful.
Magaly Castillo
Client
I really liked the way I manage my expenses now, I didn't even have to download an application.
Danna Bailon
Client
Contact Me
Have a project in mind? I'd love to hear about your idea and see how we can work together to make it a reality.