Upwork Client - Consulting and problem solving for existing software.

• Provided expert consulting for existing codebases and complex debugging tasks.
• Resolved issues with Shadcn charts and improved frontend structure.
• Built new components using React.js, Next.js, and Tailwind CSS.
• Advised on relational database design in Supabase and handled bug fixing and deployment to Vercel.
• Used Git and GitHub for version control.

• Resolved visualization and integration issues involving Shadcn charts, ensuring accurate data display and improved user experience.
• Provided consulting services to diagnose and resolve issues in existing software, improving system reliability and performance
• Reviewed and corrected relational database designs in Supabase, ensuring proper structure and data integrity.

Lupivets Veterinary - Creation of new web application for medical attention and vaccines registration.

• Developed veterinary-focused web applications for medical care and vaccine tracking.
• Built UIs using Next.js 14, React.js, Tailwind CSS, and NextUI.
• Designed and implemented backend services using Nest.js and TypeORM.
• Created relational data models in PostgreSQL to support application workflows.
• Used Git and GitHub for version control.

• Project deadlines met.
• Translated veterinary operational requirements into technical features, aligning product design with end-user needs.
• Implemented clean, responsive UIs with React.js, Tailwind CSS, and NextUI to ensure seamless user experience for veterinary staff.
• Structured and coded backend services using Nest.js and TypeORM, ensuring robust API endpoints and efficient data handling.

Almar Water Services - Developed logistics management applications to streamline internal operations integrated in internal intranet platform.

• Designed and developed internal logistics tools to optimize company operations.
• Coded frontend interfaces using React.js, Tailwind CSS, Zustand, and clsx.
• Developed backend logic with Java Spring Boot and SQL Server stored procedures.
• Used Git and GitHub for version control.

• Project deadlines met.
• Improved operational efficiency by developing logistics management applications that streamlined internal workflows.

Responsible for offering automated solutions, internal applications and data transformation.

• Delivered internal applications and automated workflows across departments.
• Developed intranet features using React.js.
• Automated business processes with UIPath, Salesforce Apex, and Python.
• Proposed technical solutions and co-led the IT department alongside the manager.
• Used Git and GitHub for version control.

• Projects deadlines met.
• Delivered automated solutions and internal applications to streamline workflows and improve operational efficiency across departments.
• Built modern, responsive user interfaces using React.js, Tailwind CSS, and best practices such as clsx and zustand for state management.

Audit application for the UN and Previred application updates.

• Developed new audit forms and frontend features using Java 8, JSF, and PrimeFaces. (UN)
• Built backend logic using Java JDBC (UN).
• Maintained version control using SVN Tortoise (UN).
• Developed frontend features using Java 8, JSF, and backend services with Spring Boot 2. (Previred)
• Created and maintained database queries within the Spring Boot app. (Previred)
• Used Git and GitHub for version control and team collaboration. (Previred)

• Contributed to an audit application for the United Nations by developing new forms and features, enhancing functionality and user experience.
• Worked within the standards and constraints of an international organization, ensuring code met audit and compliance requirements.
• Management and control of retirement of the 10% of the pension funds by the Chilean people in the COVID global emergency. (Previred)
• Developed new features for a large-scale enterprise application using Java 8 with JSF on the frontend and Spring Boot 2 on the backend. (Previred)
• Managed version control and collaborative coding using Git and GitHub, ensuring code quality and team coordination. (Previred)

Medical prescription system for Rio Blanco hospital.

• Designed and implemented the user interface using Java JSF and PrimeFaces, ensuring usability for hospital staff.
• Integrated and consumed RESTful APIs developed in a Spring Boot v2 backend application.
• Performed small updates and maintenance tasks on the backend.
• Used Git and GitHub for version control and collaborative development.

• Modernized the hospital's prescription workflow by replacing a legacy system with a digital platform, improving efficiency and reducing manual errors.
• Enabled secure and traceable delivery of prescriptions by implementing email-based distribution with unique barcodes for patient medication retrieval.
• Improved the user experience for medical staff through a well-structured, intuitive UI tailored to their daily workflow.
• Contributed to system stability and scalability by integrating with backend APIs and ensuring consistent data exchange.