- Architect and optimize server-side logic for React/Vite client applications, improving API response times and ensuring high availability across production environments. - Design, develop, and maintain RESTful APIs using NestJS to support frontend features and third-party integrations, reducing integration turnaround by ~20%. - Collaborate with frontend developers to ensure seamless data flow between UI components and backend services in an agile sprint cadence. - Drive continuous improvement of backend architecture, refactoring legacy modules and implementing best practices for code reviews and CI/CD pipelines.

- I was responsible for steering the technical direction of the development team while ensuring alignment with project goals. Collaborating closely with designers and the product owner, I facilitated effective communication and decision-making using the Scrum agile methodology, which we implemented through Trello for task management and progress tracking. - During 5 weeks I worked in a diverse and multicultural team, where we implemented the MVP of ServiYA, a web app connecting users with professionals offering domestic services such as plumbing and carpentry. My primary focus was on developing the frontend and backend of our key feature, the chat functionality between clients and professionals, ensuring that the final product remains true to the prototype designed in Figma

- Designed and delivered weekly curricula covering web development (HTML/CSS/JS), Python fundamentals, Swift mobile development, and Unity game design to high school students. - Created project-based assessments that improved student engagement and pass rates, fostering practical coding skills and computational thinking. - Mentored students in computer science fundamentals, building a pipeline of tech-literate graduates prepared for STEM pathways.

- Developed and launched 3+ client websites (e-commerce, medical, corporate) for clients in the U.S., Costa Rica, and Guatemala using WordPress and Elementor. - Integrated the Google Sheets API for a medical clinic (foxmedclinic.com) to automate patient sign-up logging, reducing manual data entry and improving operational efficiency. - Delivered responsive, SEO-optimized sites with custom themes, improving client web presence and driving measurable traffic growth.