Simera Professional Key (SPK)

Oscar Z

Costa Rica

Web Developer (Professional Internship)

$ 1,700/month

2 yrs exp

Skills

  • Entity Framework
  • MySQL
  • React
  • SQL
  • Typescript
  • .NET Core
  • C#
  • Cypress
  • Figma
  • Hooks
  • Postman
  • ReactJS
  • colaborative
  • Continuous learning
  • adaptable
  • press
  • continous learning
  • Git & GitHub
  • Supabase
  • MSQL
  • Entity Framework Core
  • React Query

Oscar Z

Costa Rica

Web Developer (Professional Internship)

$ 1,700 /month

2 yrs exp

Skills

  • Entity Framework
  • MySQL
  • React
  • SQL
  • Typescript
  • .NET Core
  • C#
  • Cypress
  • Figma
  • Hooks
  • Postman
  • ReactJS
  • colaborative
  • Continuous learning
  • adaptable
  • press
  • continous learning
  • Git & GitHub
  • Supabase
  • MSQL
  • Entity Framework Core
  • React Query

Web Developer (Professional Internship)

Rolosa
March 2026 - present

Developed and maintained functionalities in the Ecofirma platform using Drupal, focusing on continuous system improvement and technical incident resolution. Implemented adjustments and optimizations in CMS modules and configurations, improving system efficiency and usability. Developed an informative website for managing a corporate webinar, allowing users to register through dynamic forms integrated into Drupal. Configured and managed content, content types, and views, ensuring correct information structuring and presentation. Worked with contributed modules and customized functionalities according to business requirements. Collaborated in a team under a professional environment, participating in the implementation of solutions aligned with client needs.

Frontend Developer (Professional Internship)

DMR Rentals
June 2025 - November 2025

Developed a real estate web platform for managing accommodations, property sales, and related services, using React for building reusable components and Tailwind CSS for responsive design. Designed and implemented an informative page where users can view properties and services, as well as make accommodation reservations and schedule appointments for property purchases, integrating dynamic data from Firebase. Built an administrative panel in React, allowing administrators to manage reservations, properties, and content, including functionalities to create, edit, and delete information, with data persistence in Firebase. Designed the user interface of the informative page using Figma, defining layouts, visual hierarchy, and navigation flows oriented to user experience. Modeled and structured collections in Firebase, optimizing data organization for consumption on both the public page and the administrative panel.

Backend Developer

Universidad Nacional
July 2024 - November 2024

Developed authentication and authorization microservices using IdentityServer4 and OpenID Connect. Implemented role and policy-based access control using JWT in .NET Core services.

FullStack Developer

Universidad Nacional
March 2024 - June 2024

Developed an appointment management system (team project). Designed the central appointment service in .NET 8 applying clean architecture, providing CRUD endpoints. Implemented the React interface to schedule, reschedule, and cancel reservations, with administrator override functionality and validations.

Frontend Developer

Nuestra Señora del Rosario
February 2024 - June 2025

Designed and implemented a comprehensive administrative platform using React 18 and Tailwind CSS, focused on modular architecture and maintainability through reusable and combinable UI components. Applied the repository pattern in the user interface to abstract API communication, centralizing endpoint logic and improving scalability, testability, and code readability. Integrated real-time appointment alerts using SignalR, notifying administrators of upcoming resident appointments and enhancing operational responsiveness. Developed the informative institutional website, focusing on a clear, accessible, and responsive user experience, aimed at institutional communication and service dissemination. Deployed scalable environments using Coolify. Worked under the Scrum methodology with bi-weekly deliveries.

Smart Scores

Communication
60
Role Fit
90
Adaptability
80
Problem-solving
75

Smart Skills

beta