Frontend Web Developer

Marcelo Oroquieta

Building sleek, high-performing web apps with Next.js, React and Astro. Expanding my skill set into fullstack architecture and eagerly exploring the AI space .

Available for Work
Contact me
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Projects

AI-Powered Interview Practice Platform
PREPWISE APP

Sep 2025

AI-Powered Interview Practice Platform

Interactive AI assistant for personalized technical interview practice. Supports real-time voice calls, custom scenario creation, and comprehensive post-session analytics.

Next.js React.js TypeScript Firebase Tailwind CSS Zod AI SDK VAPI AI
Clothes E-Commerce Platform
SAPPHIRE APP

Jul 2025

Clothes E-Commerce Platform

A modern high-performance e-commerce platform leveraging Next.js 15 and React 19. Implements type-safe database management with Prisma/Neon, robust form validation using Zod, and middleware-protected routing, featuring secure authentication, role-based access control, and Stripe/PayPal integration.

Next.js React.js TypeScript Prisma ORM NeonDB Stripe PayPal Next Auth Auth.js Shadcn UI Tailwind CSS Framer Motion Recharts Zod Resend UploadThing
Sharing AI-Powered Prompts
PROMPTVERSE APP

Dec 2024

Sharing AI-Powered Prompts

A collaborative platform for AI prompt management. Built on a Next.js 15 and MongoDB architecture with advanced tag-based search and authenticated content controls.

Next.js React.js TypeScript MongoDB Mongoose Next Auth

Experience

Globant logo

Globant

    • Implemented complex visual components for an executive dashboard, including an interactive 3D globe built with Three.js and Globe.gl.

    • Optimized rendering performance in heavy 3D scenes, ensuring smoothness, stability, and alignment with UX requirements.

    • Built data adapters for Salesforce APIs, handling queries, transformations, and validation with Zod to ensure reliable data flow.

    • Participated in rigorous code reviews and mentored junior developers, strengthening overall team code quality.

    REACT TYPESCRIPT THREE.JS GLOBE.GL ZOD SALESFORCE APIS REST
    • Developed A11y improvements after an external audit, resolving key compliance issues and raising the platform’s accessibility standards for public educational use.

    • Managed application state with MobX and introduced TypeScript across core modules, reducing runtime errors and improving responsiveness.

    • Developed responsive and accessible interfaces in React/Next.js using Styled Components combined with Tailwind CSS.

    • Implemented testing strategies to validate components and ensure the reliability and stability of the application.

    REACT NEXT.JS TYPESCRIPT TAILWIND CSS STYLED COMPONENTS MOBX WEB ACCESSIBILITY (A11Y) TESTING
    • Applied Atomic Design principles to build reusable, scalable UI components, accelerating feature development for a sustainability project.

    • Implemented React to build a responsive and dynamic user interface, actively engaging in team meetings and progress updates.

    • Contributed to architectural discussions and decisions during the early stages of the project.

    • Participated in code reviews and provided constructive feedback to enhance overall code quality.

    REACT ATOMIC DESIGN JAVASCRIPT HTML CSS GIT FRONTEND ARCHITECTURE
    • Provided local and global remote technical support for Windows, Linux (Ubuntu), macOS, and mobile devices.

    • Deployed desktop and laptop equipment efficiently using MDT and JAMF.

    • Initiated and developed an internal project utilizing artificial intelligence to improve service area operations.

    • Managed device inventory, assigned application licenses, and audited security standards compliance.

    TECHNICAL SUPPORT WINDOWS / MACOS / LINUX MDT JAMF AI INITIATIVES ASSET MANAGEMENT
    • Resolved hardware and software issues, providing maintenance for workstations, IP telephony, and meeting room peripherals.

    • Created and administered virtual machines to support various internal operations.

    • Administered and created documentation and guides for the support area's knowledge base.

    • Assisted remote areas such as Networks, Telephony, DataCenter, Systems Engineering, and Security.

    IT SUPPORT HARDWARE MAINTENANCE VIRTUAL MACHINES VOIP DOCUMENTATION TROUBLESHOOTING
Freelance logo

Freelance

    • Developed the rebuild of a compliance-embedded technology platform for fleets and mobility partners, migrating the entire application to Next.js to enhance performance and scalability.

    • Built 'Contact' and 'Coming Soon' pages ensuring pixel-perfect translation from UI designs to production.

    • Integrated SendGrid API to manage and automate reliable email communications within the platform.

    NEXT.JS REACT TYPESCRIPT SENDGRID TAILWIND CSS PIXEL-PERFECT UI
    • Developed a UI chatbot interface for the frontend application using Prompt-kit.

    • Built responsive and modern UI components utilizing Next.js, React, Tailwind CSS, and Shadcn UI.

    NEXT.JS REACT TAILWIND CSS SHADCN UI PROMPT-KIT
    • Migrated a car rental search application to a modern React and Next.js stack.

    • Architected the application to be fully embeddable via iframes for seamless integration into external client websites.

    • Rebuilt the UI based on the legacy design and integrated the frontend with a backend API, including a reservation inquiry form.

    REACT NEXT.JS IFRAMES API INTEGRATION
    • Troubleshooted and refactored an AI-generated Next.js application used for managing building parking spaces.

    • Resolved UI bugs and complex Supabase integration issues that the initial AI generation failed to implement correctly.

    • Restructured the codebase to restore functionality, improve maintainability, and ensure a stable connection with the Supabase backend.

    NEXT.JS REACT SUPABASE REFACTORING TROUBLESHOOTING
    • Implemented responsive screens and reusable UI components based on Figma designs for a Web3 platform.

    • Built the user interface utilizing Tailwind CSS and heavily customized Shadcn UI components to meet specific design requirements.

    TAILWIND CSS SHADCN UI FIGMA WEB3
    • Maintained a psychologist's website built on WordPress, ensuring platform stability.

    • Implemented necessary updates and corrected existing issues to improve overall site functionality.

    WORDPRESS WEB MAINTENANCE TROUBLESHOOTING

What People Say

"I had the opportunity to work with Marcelo and can highlight his high level of responsibility and commitment in every project. He is characterized by his proactivity and willingness to take on new challenges, always adding value to the team."

Photo of Ignacio Femenia
Ignacio Femenia
Operations Specialist @ Accenture
Logo of Accenture

"I have known Marcelo for many years, and I have no doubt that he is one of the most professional individuals I have ever met. His transparency, precision, and analytical skills when solving problems are truly outstanding. He has an impeccable track record."

Photo of Juan Enrrique Barranco Sanz
Juan Enrrique Barranco Sanz
Cybersecurity Recruitment Specialist @ Gaucho Sec
Logo of Gaucho Sec

"Marcelo was amazing to work with! He was extremely responsive, professional, and delivered results quickly. I hired him to help debug three different apps across multiple tech stacks (React, Next.js, Supabase, Vercel, etc.), and he successfully solved every issue."

Photo of Yoel Lapscher
Yoel Lapscher
CTO @ TiendaPago
Logo of TiendaPago
Get in touch

What’s next? Feel free to reach out to me if you are looking for a developer, have a query, or simply want to connect.

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