Eduardo S.
Front-end UX Engineer

Skills

React Native

Cascading Style Sheets

Typescript

Github

Html

Javascript

Php

Python

Angular

React

Eduardo is available for hire

Hire Eduardo S.

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Bio

A web and mobile development professional with over two decades of expertise, characterized by a constant drive for learning and an aptitude for overcoming daily challenges. Exhibits a deep understanding of contemporary front-end tools and a breadth of experience with various Single Page Application libraries and frameworks, particularly React. Demonstrates proficiency in team leadership, effectively aiding business discussions to elucidate trade-offs in new project requests, and recommending enhancements to streamline development processes and mitigate technical debt.

Front-End Developer
8/1/2021 - 11/1/2023

Organized strategic meetings with partners and team members, presenting technical proposals and measurable results, and adopting a data-driven methodology to ensure alignment between the technical team and business goals, resulting in significant improvements in performance and operational efficiency. Developed new features and enhancements on a web platform using Angular, and optimized the loading time of large volumes of data in tables by 40% through virtualization. Designed and implemented financial reports generated in PDF using jsPDF and created charts with Chart.js. Integrated the platform with third-party APIs for payment processing.
Front-End Developer
8/1/2019 - 8/1/2021

Participated in the development of front-end solutions for web and mobile applications across various sectors including NFT trading, virtual asset trading, influencer social networks, event organization, agribusiness product trading, and digital signature contracts. Led a team in agile environments, conducting client meetings for requirement gathering, refining these requirements, and delegating tasks effectively.

Developed an event organization application using React and TypeScript, incorporating features such as participant registration forms with Formik and Yup, a custom chat using WebSocket.io, user notifications through Firebase, and In-App purchases integrated with the Mercado Pago API. Managed state with Context API and local storage via custom hooks, and ensured consistent design by creating a custom theme with Bootstrap and Sass.

Was part of a high-priority project team to develop a Blockchain-based mobile NFT trading app, implementing balance and token fluctuation charts in React Native, generating NFT certificates in PDF validated by QR Code, and creating components for user documentation and photo uploads. Extended this functionality to a web application using React Native for Web and Expo.

Developed a mobile application for digital contract creation using React Native and Expo, featuring a text formatting component with an HTML editor, a digital signature creation component, and integration with WhatsApp and email for sending drafts. Employed React Query for state management, caching, and error handling, and maintained design consistency with a custom theme utilizing the Native Base library.

Designed a multi-step registration form layout in Figma and implemented it using PHP and jQuery within Laravel's Blade template system. Integrated the form with third-party APIs for data validation and the project's API for data saving. Configured the development environment using Docker and Docker Compose.
Front-End Developer
8/1/2018 - 8/1/2019

Developed comprehensive interface design for a gamified Q&A mobile app using Adobe XD. Established the company's visual identity and designed the logo. Designed and developed a dynamic website utilizing React and Tailwind CSS. Created a functional quiz application with HTML and JavaScript, integrating with an automatic question generation API. Developed a jQuery-based application for syntactic sentence analysis, featuring word class classification by color and API integration. Implemented interactive charts on the website using Chart.js.
Full Stack Developer
3/1/2013 - 9/1/2018

Responsible for the design and development of various digital products including landing pages, corporate websites, and responsive e-commerce platforms. Developed a content management system (CMS) utilizing jQuery, PHP, and MySQL.