Joao Ladeira Email & Phone Number

Develop and maintain web and mobile apps with: React, React Native, Node.js, Meteor.js and MongoDB.

• Played a crucial role in the development of the new acquisition flow for the Home, Life and Travel insurance;
• Worked on the development of the Content Management System (CMS) with Adobe Experience Manager (AEM);
• Allowed the Frontend team to access every possible scenario by developing an API Mock with Json-server, improving our problem solving speed and assuring the quality of the code;
• Created a documentation for the Frontend components and methods with Storybook;
• Improved the application's performance by switching from a global Context API provider into a Zustand store which diminished the amount of unnecessary re-renders;
• Added a cache layer with React Query (Tanstack Query) which improved the response time of the application and lowered the amount of unnecessary requests to the API.Used tools: React.js, Adobe Experience Manager (AEM).

• Played a crucial role in the development of the RNI website, from it's original prototype to a sucessful live deployment;
• Implemented Static Site Generation following SEO best practices, which made the website easier to find on Search Engines;
• Played a key role in the development of a Content Management System (CMS) using Strapi and React;
• Wrote unit, integration and end-to-end tests to guarantee that the application would work as expected;
• Improved the website's performance by adding Frontend caching with React Query.Used tools: React.js, Next.js, Strapi, TypesScript, Cypress, Jest, React Testing Library, React Query, HTML, CSS, Git.

• Allowed a legacy application to have access to modern libraries and functionalities by migrating React Class Components into Functional Components;
• Monitored production bugs with Sentry, which led to finding and fixing them quicker;
• Increased user interaction with the application by adding Push Notifications to it;
• Improved long lists perfomance with the addition of Infinite Scrolling and Caching;
• Played an important role in optimizing Web and Mobile applications performance by refactoring costly methods, removing unused code and libraries;
• Played a key role in delivering great software to our client.Used tools: React.js, Next.js, React Native, Expo, TypeScript, Styled Components, Redux, React Query, Node.js, Express, Jest, React Testing Library, Sentry.

• Allowed a legacy application to have access to modern libraries and functionalities by migrating React Class Components into Functional Components;
• Monitored production bugs with Sentry, which led to finding and fixing them quicker;
• Increased user interaction with the application by adding Push Notifications to it;
• Improved long lists perfomance with the addition of Infinite Scrolling and Caching;
• Played an important role in optimizing Web and Mobile applications performance by refactoring costly methods, removing unused code and libraries;
• Played a key role in delivering great software to our client.Used tools: React.js, Next.js, React Native, Expo, TypeScript, Styled Components, Redux, React Query, Jest, React Testing Library, Sentry, HTML, CSS, Git.

• Reduced the amount of server requests by implementing Frontend caching with React Query, improving the website's performance;
• Reduced duplicated code by creating custom hooks to be used throughout the application;
• Improved code maintainability by refactoring complex functions into smaller and simpler ones.Used tools: React.js, React Query, Chakra UI, TypeScript, Jest, React Context, HTML, CSS, Git.

Portugal

• Played an important role in the creation of the architecture, design patterns and tech stack;
• Developed a platform to manage gains and losses in crypto operations, as well as exporting reports with all transactions for that user;
• Integrated with an API to verify the updated quotation of given assets.
• Used tools: React, Next.js, TypeScript, Redux, Chakra UI, Jest, Cypress, HTML, CSS, Git

Macaé, Rio De Janeiro, Brasil

Improved applications by refactoring code and fixing production bugs.

Macaé, Rio De Janeiro, Brasil

- Develop Frontend applications to provide a UI for the user to control various equipments.