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Cleiton O.
Front-end UX Engineer

Javascript
Angular
React
Bio

A Front-End Developer characterized by strong technical and interpersonal skills that enhance professional performance. Demonstrates adaptability to new technologies and effectively navigates challenges. Proficiency in communication fosters collaboration with diverse teams, and a commitment to clarity ensures efficient idea exchange. Driven by a focus on teamwork and quality, consistently strives for excellence in project delivery.

Proficient in Angular and React, with an in-depth application of design patterns and software architecture principles. Expertise in JavaScript/TypeScript, CSS/SCSS, and HTML5 is complemented by a thorough understanding of SOLID principles. Applies design patterns such as Factory, Singleton, Strategy, and Observer to promote clean, modular code, particularly using TypeScript. Experienced with frameworks including Tailwind, Bootstrap, Angular Material, Material Design, NG-Zorro, and NG-Prime for React applications. Skilled in state management using Redux, NgRx, and Context API, and knowledgeable in integrating APIs with GraphQL and REST using Apollo Client.

Experienced with development tools such as Git, Docker, Jenkins, Azure DevOps, GitLab, GitHub, and Bitbucket. Cloud development knowledge includes implementing Cloud Functions and integrating serverless functionalities in Angular applications for backend processes including authentication, data processing, and third-party integrations. Testing expertise covers Jasmine, React Testing Library, Jest, and Cypress for unit and integration testing, ensuring software quality.

Actively participates in agile methodologies and Scrum practices, engaging in all phases of the agile lifecycle including sprint planning, daily stand-ups, sprint reviews, and retrospectives. Committed to optimizing processes and delivering value through continuous collaboration and communication with team members and stakeholders. Dedicated to continuous improvement by promoting a learning and adaptive environment through effective retrospectives.

  • Front-End Developer
    2/1/2023 - 2/1/2024

    Developed proficiency in React and Angular, with a strong focus on the application of software architecture and design patterns to build scalable and maintainable solutions. Expertise in implementing modern user interfaces using various style frameworks, significantly enhancing user experience. Applied development standards to promote code quality and maintain a high level of user experience, adhering to best practices for accessibility and responsiveness throughout the development process.

  • Front-End Developer
    12/1/2021 - 2/1/2023

    Developed enterprise applications using Angular 14, implementing advanced design and architectural patterns, and managing application state with NgRx. Emphasized security and authentication for single-page applications, ensuring the deployment of responsive and accessible components.

  • Front-End Developer
    1/1/2021 - 12/1/2021

    Contributed significantly to the development of a digital health platform by focusing on creating rich and responsive user interfaces using Angular. Developed mobile application features through WebView, ensuring a seamless and integrated transition between web and mobile versions. Enhanced user experience by unifying access to functionalities across different devices.

  • Front-End Developer
    5/1/2020 - 1/1/2021

    Demonstrated expertise in Angular 8 and React, with a strong focus on applying componentization standards and integrating RESTful services. Led interface migration and development projects, emphasizing adherence to clean code practices and robust software architecture principles. Ensured high-quality, maintainable code that met project requirements and enhanced application performance and scalability.

  • Front-End Developer
    1/1/2019 - 5/1/2020

    Proficiency developed in creating dynamic interfaces using Angular and React, implementing best practices in both development and design standards to ensure optimal maintenance and scalability of projects. Mastery of component-based architecture and reactive programming principles, leading to significant enhancements in performance and user experience. Extensive utilization of TypeScript with Angular and JSX with React to build robust and maintainable codebases, while also employing state management libraries such as Redux and NgRx to streamline application state management.

  • Analysis and Development of Systems at Estácio de Sá University
    2022 - 2024

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