Jânio D.
Full-stack Product Engineer

Skills

React Native

Typescript

Firebase Realtime Database

Javascript

Mongodb

React

Jânio is available for hire

Hire Jânio D.

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Bio

Fullstack Developer possessing a robust proficiency in JavaScript and an enthusiasm for tackling new challenges. Demonstrates a firm conviction in the transformative potential of projects on individuals' lives, marked by an unwavering commitment to continuous innovation and professional dedication.

Fullstack Developer
2/1/2023 - Present

Specialized in React and JavaScript with a strong emphasis on ensuring code quality and reliability through extensive experience in unit, integration, and E2E testing. Demonstrated expertise in the integration of backend services (BFF) using C# and .Net to validate all use cases. Proficient in the design and analysis of new frontend solutions, employing microfrontend architecture. Utilized the MUI library for UI components and implemented functional programming principles to improve code efficiency and maintainability.
Full Stack Developer
9/1/2021 - 1/1/2023

Developed proficiency in developing email templates and web pages using React. Demonstrated expertise in creating and updating mobile applications using React Native with TypeScript, successfully publishing them on the Play Store. Built and maintained backend microservices using Node.js, showing considerable skill in working with Firebase and MongoDB databases. Leveraged Google Cloud services for efficient application deployment.
Front-End Developer
5/1/2021 - 9/1/2021

Developed proficiency in React, React Native, and TypeScript. Demonstrated expertise in mobile and web application development, effectively utilizing Firebase to achieve seamless backend integration. Maintained detailed project documentation and ensured collaborative code maintenance using Git. Exhibited strong problem-solving and debugging skills to identify and resolve technical issues efficiently.
Professional Freelancer
1/1/2018 - 5/1/2021

Excelled in developing both front-end and back-end solutions, leveraging a broad range of technologies. Demonstrated strong proficiency in using Firebase, MongoDB, PostgreSQL, and SQLite for database management, ensuring robust, scalable, and efficient storage solutions. Gained extensive experience in mobile development using React-Native, creating responsive and high-performance applications. On the web development front, developed significant expertise in React and Vue.js, delivering intuitive and dynamic user interfaces. In back-end development, utilized Node.js with frameworks such as Express and Restify to build RESTful APIs and server-side applications, ensuring seamless integration and performance. These accomplishments highlight a comprehensive skill set in full-stack development, combining technical excellence with practical application.