Sergio Alejandro Morales
Mobile Specialist
Senior Frontend Developer focused on creating exceptional mobile experiences with React Native and Expo. 3+ apps published and counting.
Tech Stack
React Native / Expo
Built AgriGlobal Market App and native applications for external clients from a single codebase using React Native and Expo, ensuring consistent UX across iOS and Android. Apps published on App Store and Play Store.
Next.js
Developed the AgriGlobal Market web platform, Vantio legal platform, Makii restaurant system, and this personal portfolio using Next.js, leveraging SSR and static generation for SEO and performance.
Hermes Agent
Automated server provisioning on Hetzner, managed cronjobs in personal projects, and created custom agent skills with Hermes Agent to streamline development workflows and reduce manual tasks.
Tailwind CSS
Styled the AgriGlobal Market website, Vantio legal platform, Makii restaurant system, this portfolio, and the Macarena Baby Shower invitation with Tailwind CSS, maintaining a consistent and responsive design system across all projects.
NativeWind CSS
Applied Tailwind utility-first styling to AgriGlobal Market App and native mobile applications using NativeWind CSS, keeping design tokens aligned with their web counterparts for a unified look.
Zustand
Implemented lightweight and scalable state management in AgriGlobal Market App and personal mobile projects with Zustand, handling authentication, user data, and app state efficiently.
NestJS
Built scalable backend APIs with NestJS that power the AgriGlobal Market web platform, mobile app, and internal services, providing a robust foundation for the entire ecosystem.
AI
Integrated AI agents and automation into AgriGlobal Market, this portfolio, and the Macarena Baby Shower project, including code review assistance, specification generation, and custom agent skills for development workflows.
Deploy Stores
Handled end-to-end deployment of AgriGlobal Market App and native applications to App Store and Play Store, managing build pipelines, certificates, and store submissions for both platforms.
Featured Projects
A selection of my most recent work in mobile and web.
Vantio - Legal Platform
Interactive quiz platform and mock exams for lawyers preparing for qualifying exams.
Vantio API - REST Backend
REST API powering Vantio: manages questions, mock exams, progress metrics, and authentication.
Makii - Restaurant System
All-in-one SaaS for restaurants: orders, cash register, roles, court reservations, and events with ticketing.
AgriGlobal Market - B2B Marketplace
Leading platform in the agroindustrial sector that connects suppliers and buyers globally.
AgriGlobal Market Native App
Native app designed to facilitate agricultural trade from anywhere.
Baby Shower Macarena - Digital Invitation
Interactive landing page designed as a digital invitation for a baby shower, with Cow Chibi theme and soft tactile animations.
Experience
Mid Frontend - Mobile Developer
AgriGlobal Market
Develop and deploy the AgriGlobal Market application, layout and develop the Agriglobalmarket.com page, participate in decision-making for new developments, and create native applications using React Native for external clients such as Nutrihorto (Brazil) and Nara (North America).
Frontend Developer
Routte
Improve the visual development of the Routte platform, verifying and fixing client supports, supporting the development team, and strengthening knowledge in backend development with Python/Django.
Production Plant Manager
Madecentro
Administer and coordinate the specialized production plant Madeservicios. Receive, plan, and dispatch production orders from sales points in the coffee region. Perform monthly inventories.
Have a project in mind?
I'm always open to discussing new opportunities and collaborations in mobile development.