Allan Carvalho
Verified Expert in Engineering
Front-end Developer
Brasília - Federal District, Brazil
Toptal member since October 31, 2022
Allan has been passionate about developing web applications since 2003, when he created his first website for cell phone ringtones at the tender age of 13. Allan uses JavaScript as his primary technology, applying it to SPA frameworks like React, React Native, and Node.js for back-end development.
Portfolio
Experience
- JavaScript - 10 years
- MySQL - 10 years
- Full-stack Development - 10 years
- Node.js - 6 years
- React - 5 years
- TypeScript - 4 years
- React Native - 3 years
- Material UI - 2 years
Availability
Preferred Environment
MacOS, iOS, Visual Studio Code (VS Code), Docker, Docker Compose, Cloudflare, Amazon Web Services (AWS), Node.js, React, React Native, PostgreSQL, Artificial Intelligence (AI), Azure
The most amazing...
...project I've developed is a social network with more than 400,000 users, which pro users can access through a new React-based application.
Work Experience
Senior Front-end Developer
Instituto Atlântico
- Developed and implemented new features in the application, resulting in increased functionality and improved user experience.
- Troubleshot and resolved multiple critical bugs in the application, improving overall application stability and enhancing user experience.
- Led the team in adopting advanced technologies, resulting in a more streamlined development process and increased productivity.
- Effectively presented new features to executive directors, highlighting the benefits and potential impact on the business, leading to a high adoption rate and positive feedback from stakeholders.
Senior Full-stack Developer
Laudo de Avaliação
- Architected and developed the back-end system for a client management application.
- Implemented the front end of the website's landing page using React.
- Developed a mobile application for managing clients using React Native.
Senior Full-stack Developer
Pandlr
- Developed custom WordPress plugins that enhanced website functionality and improved user experience, resulting in a 25% increase in user engagement and overall satisfaction.
- Led the effort to architect and migrate the website to a new React-based version, resulting in a significant increase in website performance speed and improved overall website functionality.
- Designed and implemented the back-end architecture with Node.js and MySQL, resulting in a more streamlined and efficient website infrastructure and further improved website functionality.
- Led the social media team and achieved a significant increase in Twitter engagement, with over 300,000 followers and recognition as one of Brazil's most influential entertainment pages.
- Implemented the chat feature using MUI, which resulted in a visually appealing and user-friendly interface for seamless communication and improved overall user experience.
Webmaster
Viver Em Orlando
- Integrated online payment systems into an online consulting section.
- Implemented front-end features for the blog and service sections.
- Developed custom WordPress plugins according to the customer's demands.
- Registered the website's domain and configured the servers through OVH services.
Experience
Platform | A Landing Page and a Customer Management Web App
https://laudodeavaliacao.com/Skills
Libraries/APIs
React, Node.js, REST APIs, React Redux, Facebook API, X (formerly Twitter) API, jQuery, Socket.IO
Tools
Redux Toolkit, Sequelize, Slack, Zoom, Docker Compose, Git, GitHub, Mongoose, Prisma
Languages
JavaScript, PHP, TypeScript, HTML, CSS, SQL, HTML5, Sass, GraphQL
Frameworks
React Native, Redux, Material UI, Next.js, Express.js, Jest, Bootstrap, Tailwind CSS
Platforms
WordPress, Firebase, Vercel, MacOS, iOS, Docker, CentOS, Amazon Web Services (AWS), WooCommerce, Visual Studio Code (VS Code), Mobile, Azure
Storage
Google Cloud, MySQL, MariaDB, PostgreSQL, OVH, MongoDB
Other
Styled-components, NativeBase, WordPress Plugins, UI Components, Front-end, Axios, Full-stack, Responsive Web Apps, Minimum Viable Product (MVP), Front-end Development, APIs, API Integration, Full-stack Development, Cloud, OpenAI, Cloudflare, Bootstrap UI, TypeORM, Pinecone, OpenAI GPT-4 API, Artificial Intelligence (AI), LangChain
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring