Lucas G.

Front-end UX Engineer

Senior Frontend Developer
8/1/2023 - 3/1/2024

Led front-end development for content moderation applications, ensuring seamless operation and user experience on platforms handling video and live streaming content. Leveraged Next.js, React, JavaScript, HTML, and CSS to design and enhance features focused on validating and moderating adult or inappropriate content. Collaborated extensively with cross-functional teams to implement robust validation mechanisms and user interfaces that upheld content standards and regulatory compliance.

Utilized Jira, Git, and Bitbucket for efficient project management and version control, fostering effective collaboration and streamlined development processes. Adhered to agile principles and employed iterative methodologies to continuously enhance platform features while maintaining high code quality and performance standards. Contributed to the creation of a safe and user-centered environment, fostering trust among users and stakeholders.

Optimized and refined the front-end architecture to meet the evolving needs of content moderation and user preferences. Actively engaged with stakeholders to incorporate feedback into the development cycle, ensuring platforms met dynamic user needs and adhered to industry best practices and regulatory standards. This collaborative approach and commitment to excellence significantly elevated user safety and platform integrity, driving the success of content moderation applications.

Senior Software Engineer
6/1/2023 - Present

Contributed significantly to the front-end development of a sophisticated coupon management system, utilizing React and TypeScript to deliver robust, user-friendly solutions. Played a pivotal role in enhancing front-end functionality, ensuring seamless integration with backend systems to provide a smooth user experience. Leveraged a comprehensive set of technologies including React and TypeScript to develop essential features, enabling efficient coupon management. Maintained high standards of code quality by adhering to industry best practices and established coding guidelines, which ensured reliability, scalability, and performance of the front-end components. Collaboratively enhanced the front-end capabilities of the system, delivering value-added features and optimizations to improve user satisfaction and platform performance. Stayed updated on emerging technologies to drive innovation in coupon management solutions.

Fullstack Developer
3/1/2023 - 7/1/2023

As a Fullstack Developer, significant contributions were made in managing the complete card issuance process, handling transaction processing, and presenting transaction data through an intuitive dashboard interface. Expertise was developed in technologies such as Prisma, GraphQL, SQL, MongoDB, Nuxt, Vue 3, and TypeScript, allowing for the creation of integrated solutions catering to user requirements.

The responsibilities included overseeing the entire card issuance workflow, ensuring seamless transaction management and sophisticated data visualization aimed at providing a superior user experience. Utilizing a robust technology stack and maintaining industry-standard best practices, the development of scalable, efficient solutions that addressed and anticipated user needs was achieved.

Collaborative efforts within the team fostered continuous enhancement of platform capabilities, leading to measurable improvements in card issuance workflows, transaction processing efficiency, and dashboard functionality. A commitment to staying current with emerging technologies and leveraging a broad range of technical expertise facilitated overcoming various challenges, ultimately delivering solutions that consistently surpassed user expectations.

Senior Front End Engineer
6/1/2022 - 6/1/2023

Served as a Frontend Engineer for a diverse array of clients, developing advanced proficiency in HTML, CSS, and JavaScript. Implemented complex user interfaces using React.js and Angular. Employed state management solutions such as Redux and Context API for consistent application behavior. Optimized web performance and user experience by leveraging modern tools like Webpack and Babel. Ensured code quality and maintainability through rigorous use of Git for version control and conducted regular peer code reviews using Pull Requests on platforms like GitHub. Enhanced knowledge of RESTful services and GraphQL for efficient client-server communication. Collaborated closely with backend engineers to integrate frontend components seamlessly. Utilized Jest and Cypress for unit and end-to-end testing, ensuring reliable and resilient applications. Maintained comprehensive documentation and contributed to knowledge sharing sessions to foster a culture of continuous learning and improvement.

Senior Front End Developer
1/1/2022 - 6/1/2023

Developed and maintained the Front End of a pricing system known as IPA, ensuring the creation of new screens and the implementation of modern Front End standards. Demonstrated strong skills in user interface design, consistently maintaining and enhancing existing screens to improve system performance and user experience.

Senior Front End Developer
10/1/2021 - 7/1/2022

Served as the Front End lead for the Marketing module within a CRM system. Tasked with building new user interfaces, implementing advanced components into the company's Design System, and maintaining existing screens, demonstrating a keen eye for detail and consistency in design. Utilized various front-end technologies and frameworks to ensure seamless performance and responsive design.

Senior Front End Developer
6/1/2021 - 9/1/2021

Specialized in creating and managing new front-end architectures, while establishing development standards to enhance code efficiency and maintainability. Proficiency was developed in modern JavaScript frameworks and libraries, with substantial experience in HTML5, CSS3, and responsive design techniques. Contributed to defining and implementing coding standards and best practices, ensuring a consistent and high-quality codebase. Utilized version control systems like Git for collaborative code maintenance and deployment processes.

Mid-Level Front End Developer
4/2/2021 - 6/1/2021

Contributed significantly as a member of the Shanghai team, focusing on the successful launch of new features for a leading app concentrated on foreign trade. Additionally, participated actively in the development team for the company's Design System, Harmonia. Through these roles, demonstrated expertise in software development, feature rollout, and collaborative projects within diverse teams.

Mid-Level Front End Developer
9/2/2020 - 9/1/2021

Served as Lead Front End Developer for a corporate reservation application designed to facilitate booking seats and rooms within company buildings during the pandemic. Developed proficiency in JavaScript, React.js, and Redux, contributing to a highly responsive and user-friendly interface. Leveraged CSS3 and HTML5 for advanced styling and layout techniques, ensuring cross-browser compatibility and mobile responsiveness. Implemented state management and complex UI components using React and Redux, optimizing the application performance and user experience. Utilized RESTful APIs for seamless integration with backend services, ensuring real-time updates and efficient data handling. Conducted rigorous testing using Jasmine and Jest, establishing a robust and error-free codebase. Employed version control systems like Git for effective code collaboration and maintenance, facilitating continuous integration and delivery. Additionally, demonstrated leadership and mentorship by guiding junior developers through code reviews and knowledge-sharing sessions, promoting best practices and development standards.

Junior Front End Developer
6/2/2020 - 6/1/2021

Part of the Shanghai team, focusing on launching features and contributing to the development team for the company's Design System, Harmonia. Specialized in developing and implementing functionalities for an app centered on foreign trade. Gained technical expertise in modern web development frameworks and tools, enabling seamless integration and performance optimization.

Mid-Level Front End Developer
6/2/2020 - 9/2/2020

Developed and managed the entire front-end for a client, which included a back office dashboard and an e-commerce site. Built both components from the ground up using Vue.js, Nuxt.js, and Vuetify, along with various other libraries. The dashboard featured multiple CRUD operations such as merchant registration. The e-commerce site integrated functionalities for product listings, special offers, geographic store mapping, and offers by ZIP code. Payment integration was accomplished using the Wirecard API. Leveraged Nuxt.js to seamlessly handle different visual styles between the dashboard and the e-commerce platform.

Front-End Developer
8/2/2019 - 4/2/2020

Oversaw and maintained the core system designed to streamline commercial processes for an exchange agency. Developed and refined technical expertise in PHP, MySQL, and React, contributing to enhanced system functionality and reliability. Utilized frameworks such as Laravel and AngularJS to build robust and scalable components. Employed PostgreSQL for database management and optimization, ensuring high performance and data integrity. Implemented RESTful APIs to support seamless integration with third-party services. Emphasized continuous delivery and deployment using Docker and Jenkins, fostering a highly efficient development pipeline. Collaborated closely with cross-functional teams, leveraging tools like Jira and Confluence to manage project workflows and documentation. Applied version control best practices with Git, enhancing collaborative development and code quality.

Front End Web Developer
7/2/2018 - 8/2/2019

Developed web applications utilizing JavaScript with a primary focus on the Vue.js framework. Gained expertise in employing Vuetify for enhanced UI components, while also demonstrating flexibility in adapting to other frameworks as required by specific project needs.

Website Designer
9/2/2016 - 6/2/2017

Engineered a robust website dedicated to managing domestic animal agreements. Gained extensive experience in front-end and back-end frameworks, including AngularJS and Ruby on Rails. Leveraged MySQL for efficient data management and implemented RESTful APIs to enable seamless integration with third-party services. Employed Agile methodologies and utilized Jira for project management, ensuring timely delivery and high-quality code. Enhanced UX/UI through the adept use of Bootstrap and JavaScript, ensuring mobile responsiveness and user accessibility. Conducted thorough testing using RSpec and Selenium, maintaining a high standard of reliability and performance across the platform. Implemented version control protocols with Git, collaborating efficiently within a distributed team environment.

Internet Systems at São Paulo Technology College
2014 - 2019