Experienced Full Stack Developer with over 10 years building scalable applications using React, Next.js, Node.js, and cloud solutions. Successfully delivered impactful projects across fintech, education, e-commerce, real estate, and enterprise sectors. Proven expertise in optimizing frontend-backend integrations, enhancing UX/UI, implementing secure authentication, and part of Agile-driven teams. Technical Expertise: Frontend: React, Next.js, React Native, TypeScript, Angular. Backend: Node.js, NestJS, Express, GraphQL, RESTful APIs. Databases: PostgreSQL, MongoDB, Redis, Prisma ORM. Cloud & DevOps: AWS, Vercel, Docker, CI/CD pipelines. AI Integration: OpenAI API, Gemini machine learning workflows. Mobile: React Native (Expo), Ionic, cross-platform development. Delivering impactful solutions across fintech, education, e-commerce, and civic engagement sectors. Passionate about leveraging technology to solve real-world problems while maintaining work-life balance from Costa Rica's Pacific coast.

Part of the development team for dual-branded digital platforms serving the transportation and fleet management industry. Supported Ryder (React Native mobile app) and Coop (React TypeScript desktop platform) with scalable backend infrastructure supporting real-time vehicle tracking and fleet operations. Tech Stack: Frontend: React, React Native (Expo Router), TypeScript, Tailwind CSS, Apollo Client. Backend: Node.js, NestJS, TypeORM, PostgreSQL, MongoDB, Redis. Mobile: React Native, Expo Application Services (EAS), OTA Updates. DevOps: Docker, CI/CD pipelines, AWS services. Testing: Jest, Cypress, ESLint, Prettier. Specialized in transportation logistics solutions, delivering intuitive user experiences that streamline vehicle rentals, fleet management, and real-time operational insights for enterprise clients.

As a Senior Full Stack Developer, I contributed to a real estate technology project, focusing on both frontend and backend development. My role encompassed the full software development cycle, ensuring seamless integration of UI components, scalable backend services, and high-quality testing standards. Frontend Development: React with TypeScript for developing reusable, scalable UI components. Storybook & Zeplin to ensure design consistency and component documentation. Next.js for SSR and optimized performance. GraphQL & AWS AppSync to integrate dynamic queries efficiently. Backend Development: Node.js with TypeScript to build robust and efficient server-side logic. AWS Lambda for serverless functions, optimizing API performance. GraphQL AWS Playground for building and integrating new APIs. Database modeling and entity management with comprehensive documentation. Testing & Quality Assurance: Jest for unit and integration testing to maintain code reliability. SonarCloud pipeline enforcement with 80%+ test coverage. Percy (BrowserStack) for visual UI regression testing during code reviews. Swagger documentation and API testing support for QA teams. CORS issue resolution to ensure smooth API interactions. Agile & Collaboration: Active participation in sprint ceremonies (standups, planning, and retrospectives). Close collaboration with QA teams for testing high-level functionalities. Strong focus on maintaining a culture of respect and collaboration, ensuring smooth sprint execution. Project Impact & Evolution: The tech stack evolved to include GraphQL, AWS AppSync, and dynamic API integrations. Ensured seamless frontend-to-backend integration with GraphQL queries and React TypeScript. Contributed to a high-performance real estate platform, improving efficiency in property management.

Tasks: Javascript, jQuery, HTML5, CSS3, SASS, LESS, Bootstrap, Handlebars, Jade, StarterKit, Git, OOP, NodeJS, Gulp, Grunt. Soft skills at project managing. CMS experience (WordPress, Drupal, Sightly and AEM, Hybris e-commerce and several internal CMS's used in the company). Experienced on Agile Methodologies such as Scrum Meetings, Sprints, Reports, daily logs and client interaction. Trained on Adobe package: Photoshop. Trained on Back End Developing (JENKINS, Java, .Net, PHP).

Tasks: Javascript, jQuery, HTML5, CSS3. CMS experience. Adobe package: InDesign, Photoshop, and Illustrator. Experienced on Agile Methodologies such as Scrum Meetings, Sprints, Reports, daily logs, and client interaction. Experienced on Email Front End Developing (Using tables, and HTML on line).