
Gustavo Bento de Paula
@gustavobentodepaula
Frontend engineer who designed Mercado Livre’s internal application to replace spreadsheet workflows and developed Open Finance products at PicPay.
What I'm looking for
At Mercado Livre, I designed and built an internal application with React, TypeScript, and Next.js to replace spreadsheet-based operational processes. The project migrated all workflows in its scope to a centralized system, and I defined architecture and engineering standards for its evolution.
At PicPay, I contributed to Open Finance products, from greenfield architecture to applications integrated with financial services. I created an NX monorepo and a Storybook-documented design system, and optimized selected journeys to reduce rendering time by approximately one second.
Across my work in financial products and e-commerce, including VTEX projects at Jüssi, I’ve developed frontend platforms and web applications. I’ve also used Claude Code, Codex, and existing MCPs to support engineering workflows, anticipate validations, and reduce rework.
Experience
Work history, roles, and key accomplishments
Worked on the design, development, and evolution of Mercado Libre’s internal systems, focusing on frontend engineering, process modernization, Developer Experience, and the strategic use of Artificial Intelligence.
• Designed and built an internal application from the ground up with React, TypeScript, Next.js, styled-components, and Fury to replace spreadsheet-based operational processes.
• Fu
Following my promotion to Staff Frontend Engineer, I expanded my scope from technical execution to leadership, architecture, and strategic direction for Open Finance products, while remaining hands-on in critical decisions and complex deliveries.
• Guided and mentored frontend engineers, supported technical decisions, and promoted best practices in architecture, code quality, and collaborative d
Worked on the conception and development of PicPay’s Open Finance products, contributing from architecture and user experience definition through the delivery of applications integrated with financial services.
• Contributed to projects from the ground up (greenfield), defining frontend architecture, code organization, technical standards, and foundations for scalability, maintainability, and co
Worked on the development and evolution of Guiabolso Connect, a B2B platform that connected financial institutions to retrieve user-consented account and card data.
• Maintained and developed new features for Guiabolso Connect, analyzing requirements and translating business needs into frontend solutions integrated with the platform.
• Built and maintained applications with React, TypeScript,
Worked on the development and evolution of Lendico’s digital lending platform, focusing on interface development, service integration, code quality, and delivery process improvements.
• Maintained and developed new features for the lending website, analyzing requirements and translating business needs into frontend solutions aligned with the customer journey.
• Built and maintained application
Worked for more than five years on large-scale e-commerce projects at Jüssi, building and evolving digital experiences for brands such as Brastemp, Consul, and KitchenAid on the VTEX platform.
• Developed interfaces and new features for online stores (e-commerce), translating commercial and user experience requirements into frontend solutions integrated with the VTEX ecosystem.
• Built and mai
Worked as Web Developer at Indra.
Worked on the development and maintenance of web system interfaces, focusing on responsive behavior, cross-device compatibility, and continuous application improvement.
• Implemented web pages and components with HTML/XHTML, CSS3, JavaScript, jQuery, and Ajax, translating functional requirements into usable interfaces integrated with existing systems.
• Built responsive layouts with Bootstrap,
Frontend Software Engineer
E2E - Experience to Ecommerce
Feb 2013 - Dec 2013 (10 months)
Worked on the development of online stores and e-commerce integrations at E2E, focusing on the VTEX platform, interface implementation, and support for solutions connected to management systems.
• Developed interfaces for online stores (e-commerce) on the VTEX platform, translating business requirements and layouts into functional user experiences.
• Converted Photoshop PSD layouts into respon
Frontend Software Engineer
AD Publicidade
Jul 2012 - Feb 2013 (7 months)
Worked on the development and maintenance of websites and internal systems, building frontend and backend solutions to support the agency’s digital and operational needs.
• Developed, published, and maintained websites with PHP, HTML, CSS3, JavaScript, and jQuery, translating requirements into functional pages aligned with project needs.
• Built internal systems with PHP, MySQL, JavaScript, an
Preventive and Corrective Elevator Maintenance
Villarta
Mar 2010 - Dec 2010 (9 months)
Worked on preventive and corrective elevator maintenance, ensuring the safe and reliable operation of electronic and mechanical components.
• Tested electronic and mechanical components to identify failures, wear, and operational risks before they affected equipment performance.
• Repaired identified issues in elevator systems and components, restoring proper operation and helping reduce equip
Education
Degrees, certifications, and relevant coursework
Rocketseat
Node.js: Runtime Fundamentals (The Foundation)
Sep 2026
Full Cycle
Master of Business Administration, Software Engineering with AI
2025 - 2026
FIAP
MBA em Desenvolvimento de Aplicações e Games para Dispositivos Móveis
Aug 2025
Full Cycle
Tech Week IA For Devs
Jul 2025
iMasters
VTEX | Implementation Expert - Enterprise Partner
Jan 2019
Udacity Brasil
Web Front-End Avançado
May 2019
FIAP
Master of Business Administration, Development of Applications and Games for Mobile Devices and IoT
2016 - 2017
VTEX e-Commerce Cloud Software
Vtex Reseller Certified
Jul 2016 · Expired May 2017
Faculdades Metropolitanas Unidas - FMU
Systems Analysis and Development, Information Technology
2010 - 2012
Impacta Tecnologia
ICS PHP Developer, Programação de Computadores - Geral
2011 - 2011
SENAI
Mechatronics Technician, Mechatronics, Robotics, and Automation Engineering
2008 - 2010
VTEX
VID - Vtex Inteface Developer
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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