João L.
Front-end UX Engineer

Skills

Node.js

Spring

Express.js

Flutter

React Native

Cascading Style Sheets

Hibernate

Html

Java

Javascript

Postgresql

React

João is available for hire

Meet João L.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Frontend Developer with a degree in Systems Analysis and Development from Facam-MA. Specializes in web and mobile development, with a focus on JavaScript, React, React Native, and Flutter. Advocates for the integration of enjoyable programming practices as an effective learning method, and values continuous curiosity in mastering new technologies.

Frontend Developer
5/1/2021 - Present

Played a pivotal role in the development of an e-commerce platform, honing technical expertise in a variety of programming languages and frameworks. Mastered modern web technologies including HTML5, CSS3, and JavaScript, while gaining substantial experience with AngularJS for front-end development. Backend development involved extensive use of Node.js, Express, and MongoDB, ensuring robust and scalable server-side applications.

Utilized Git for version control, maintaining code integrity and facilitating collaborative development efforts. Deepened understanding of continuous integration/continuous deployment (CI/CD) pipelines through the use of Jenkins, enhancing deployment efficiency and reliability. Applied knowledge of RESTful API design and development, enabling seamless integration with third-party services.

Enhanced data management skills using MySQL for relational database solutions, alongside non-relational databases like Redis for caching mechanisms. Conducted thorough unit and integration testing using Mocha and Chai, ensuring high-quality code and minimizing bugs in production.

Leveraged Docker for containerization, streamlining development, testing, and deployment processes. Collaborated with cross-functional teams to implement agile methodologies, improving project management and delivery timelines. Actively participated in code reviews, fostering a culture of quality and continuous improvement.
Mid-Level Programmer
5/2/2020 - 4/1/2021

Participated in the development of an internal mobile app for over 20,000 employees, serving as an internal social network with features to enhance work development across the group. Involved in the development of a web management system for specific features of the mobile app, as well as the group's ombudsman system. Developed expertise in mobile app frameworks and web development. Extensive experience in backend development and integration of complex features. Proficient in mobile and web technologies, ensuring seamless communication and data handling across multiple systems to support large-scale employee interactions.
Systems Analyst
12/2/2017 - 5/2/2020

Participated in the development project of SISMAP, a system for mapping servers used by the state education department. Utilized key tools and frameworks including JavaEE, EJB, CDI, JSF, Primefaces, Spring Security, Jasper Reports, and PostgreSQL to build robust functionalities. Contributed to backend projects using Java with the Spring ecosystem and Node.js. Engaged in the development of mobile applications leveraging Flutter.