Senior Frontend Developer

Develop and evolve mobile applications using React Native, TypeScript, Expo, and Expo Router. Rebuilt the frontend design system with reusable components and scalable patterns intended to support future white-label requirements.

Partner with product design to deliver visual and UX requirements. Improved home-screen initial load time from approximately seven seconds to 1.5 seconds, enhanced responsiveness and animations, and maintained authentication and external-service integrations.

Use Sentry and Firebase Crashlytics for production error monitoring, crash analysis, and troubleshooting. Work in Agile sprints and apply AI-assisted workflows for implementation, debugging, refactoring, and technical problem solving.

Developed and maintained complex web applications with React, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, and REST APIs. Investigated and resolved critical performance issues in a platform processing approximately one million messages per day.

Diagnosed a re-render issue involving a global variable in useEffect, restoring normal message processing and preventing interruptions. Modernized legacy frontend code by migrating Bootstrap components to Tailwind CSS and improving project architecture.

Built interfaces for chat, AI functionality, reports, dashboards, and data visualization. Worked with API Gateway-based microservices, Redis, Kafka, MySQL, horizontal scaling, WebSockets, Sentry observability, and automated testing practices.

Developed web applications using React, JavaScript, TypeScript, HTML5, CSS3, and REST APIs. Built reusable, modular UI components focused on maintainability, consistency, responsive behavior, and mobile-first implementation.

Managed application state with Zustand, Redux, and Context API, and integrated frontend applications with backend services. Participated in refactoring and architectural improvements to reduce technical debt.

Applied SOLID, Clean Code, componentization, and separation-of-responsibilities principles. Collaborated in Agile Scrum teams through planning, refinement, daily meetings, sprints, and retrospectives.

Developed and maintained web applications across frontend and backend layers using JavaScript, TypeScript, React, Node.js, PHP, Laravel, Blade, REST APIs, SQL, and MySQL.

Implemented CRUD functionality and integrations between frontend applications and backend services. Worked with APIs, JSON, HTTP communication, authentication flows, and business rules.

Contributed to microservices-based systems through debugging, refactoring, modernization, technical issue investigation, and delivery of new features in multidisciplinary teams.

Developed a React and Next.js educational platform with emphasis on performance, accessibility, responsiveness, and SEO. Used JavaScript, TypeScript, HTML5, CSS3, Flexbox, CSS Grid, and REST APIs.

Implemented SSR and SSG strategies based on page requirements, plus technical SEO features including metadata, Open Graph tags, social images, sitemap, robots.txt, and semantic HTML. Monitored platform performance using Google Search Console and Google Analytics.

Created automated testing from scratch with Vitest and Testing Library, covering unit, integration, and end-to-end scenarios. Applied mobile-first design, accessibility best practices, componentization, modularization, and maintainable frontend architecture.

Completed an Associate Degree in Systems Analysis and Development.