I work as a Full-Stack Developer, leading initiatives to optimize and enhance the overall platform system, driving strategic changes and continuous improvements.Highlighted Projects:- Hybrid Search with Image and Text: Developed an advanced functionality using Pinecone to integrate visual and textual search, enhancing result accuracy and relevance.- AI Application (LLMs): Leveraged advanced language models to improve product descriptions and enhance search identification.Technologies Used:- Front-End: Next.js, ReactJS - Back-End: Node.js, TypeScript, Express - Artificial Intelligence and Search: Python, FastAPI Key Achievements:- Implemented innovative solutions using AI and machine learning to enhance user experience. - Collaborated directly with product and design teams to create efficient and scalable workflows. - Contributed to strategic technical decisions, ensuring the platform's continuous evolution.

Specialized in integrations with acquirers and payment gateways, including Pix, bank slips, and credit cards, using NestJS to develop scalable and robust APIs.Responsible for implementing and maintaining secure payment solutions, ensuring high performance and reliability.Highlights:- Developed RESTful APIs with NestJS to process financial transactions, optimizing processing time by 30%. - Implemented comprehensive integrations with multiple gateways, ensuring compliance with security standards such as PCI-DSS. - Automated financial reconciliations for Pix, bank slips, and credit cards, reducing manual errors by 25%. - Provided continuous monitoring and resolution of critical issues, ensuring 99.9% availability of payment systems.

Hired to redesign the payment flow of a PC Gamer raffle website, focusing on efficiency and scalability.Developed and implemented a complete integration with Pix, ensuring fast and secure transactions for users.Restructured the existing payment system, optimizing user experience and reducing processing failures.Highlights:- Modernized the payment flow, resulting in a 20% reduction in transaction errors and an increase in conversion rates. - Developed APIs with robust security practices, ensuring compliance with industry standards. - Implemented automated tests in the payment flow, enhancing reliability and facilitating future maintenance.

I worked on the development and maintenance of three distinct projects, leveraging modern technologies such as Laravel and Next.js, with a focus on integrating payment methods like Pix and credit cards.Projects Developed:1. Affilitech (Whitelabel Platform for Affiliates) - Developed a whitelabel platform for affiliates and the sale of digital products, allowing users to configure and operate their own sales systems. - Technologies Used: Laravel (Back-End) and Next.js (Front-End). - Integrations Implemented: Payment system via Pix, ensuring fast and secure transactions. - Reason for Discontinuation: Project ended after the primary investor withdrew funding. 2. Igaming (Payment Gateway for Betting Platforms) - Contributed to the development of a payment gateway for betting platforms, which remained on standby during my tenure. - Technologies Used: Laravel (Back-End) and Next.js (Front-End). - Integrations Implemented: Payment methods via Pix and credit cards, ensuring compliance with security standards and high availability. 3. Abmex 2.0 (Main Platform for Digital Products) - Participated in the development of version 2.0 of the main platform, similar to marketplaces like Hotmart, for managing digital products. - Technology Used: Laravel (Back-End). - Contributed to the modernization and scalability of the platform, implementing improvements to handle higher transaction volumes and users. Key Achievements:- Expertise in integrating payment methods (Pix, credit cards) in various contexts, such as marketplaces and payment gateways. - Development of scalable solutions using Laravel and Next.js, with a focus on performance and usability. - Adapted to the unique needs of each project, delivering robust solutions even in highly complex scenarios.

I worked on the development and maintenance of various web projects for the agency's clients, including CRUD systems, corporate websites, and simple platforms, utilizing Vue.js for the front-end and Laravel for the back-end.Key Responsibilities:- Payment Integration: Added support for Pix, credit cards, and boleto payments, ensuring secure and efficient transactions. - Site Optimization: Applied performance improvements to websites and systems, reducing load times and enhancing the user experience. - Improvements and Maintenance: Identified and fixed bugs, implemented new features, and ensured the quality and functionality of delivered systems. Technologies Used:- Front-End: Vue.js - Back-End: Laravel - Integrations: Payment gateways and third-party APIs

I worked on the development and maintenance of systems using Vue.js for the front-end and Laravel for the back-end, focusing on implementing new features tailored to the company's clients.Key Contributions:- Development of User-Friendly Interfaces: Designed responsive and intuitive interfaces with Vue.js, ensuring ease of use for clients. - Implementation of New Functionalities: Enhanced management systems with new features, improving operational efficiency for users. - Code Maintenance and Quality Assurance: Collaborated with the team to fix bugs, optimize code, and maintain consistency and quality in existing applications. Technologies Used:- Front-End: Vue.js - Back-End: Laravel

As a freelance developer for Overall Cloud, I was responsible for implementing a secure and efficient payment flow in their system. My contributions included: - Payment Flow Analysis and Architecture: Designed and implemented the payment system to meet scalability requirements and the client's specific needs. - Integration with Payment Gateways: Worked with payment methods such as Pix, bank slips, and credit cards, ensuring compliance with industry standards and delivering the best user experience. - Robust Backend Development: Utilized PHP (Laravel) to develop high-performance, secure, and maintainable backend functionalities. - Team Collaboration: Worked closely with the company team, leveraging agile methodologies to align deliverables and expectations throughout the project lifecycle. This project contributed significantly to the system's critical functionality, enabling a seamless and reliable payment process for the company’s clients.

As a frontend developer for Sideia, I was responsible for creating an intuitive and functional dashboard for an infrastructure management service. My key contributions included: - Dashboard Development: Designed and implemented the main system interface using ReactJS and Next.js, ensuring a modern and responsive user experience. - Design to Code: Transformed prototypes and mockups into reusable and optimized components, balancing aesthetics with functionality. - API Integration: Consumed and integrated real-time data from APIs, ensuring accurate and up-to-date information was displayed on the dashboard. - Team Collaboration: Worked closely with backend and design teams, leveraging agile methodologies to align deliverables with project goals. This project resulted in a robust and scalable tool, enhancing infrastructure management for platform users.

In my role, I worked extensively on the development and maintenance of multiple projects, including web systems and mobile applications. My focus was on feature development, complex integrations, and continuous improvements. Key Contributions: - OXYS (Web): - Maintained critical system components, ensuring stability and high performance. - Led the integration with Serasa, automating credit verification and analysis processes. - ASQ (Mobile): - Developed a health tips feature, enhancing the user experience with tailored, actionable information. - Implemented push notification systems, boosting user engagement with timely updates. - Bria Saúde (Web & Mobile): - Contributed to new functionality development in the mobile app, improving patient interaction. - Maintained and optimized parts of the web system, addressing critical bugs and enhancing functionality. - Cartos POS (Mobile): - Designed and integrated a native payment app for the GPOS700 card machine, delivering a secure and efficient solution for financial transactions. - Collaborated on implementing optimized payment flows, ensuring compliance with security standards. Technologies Used: - Web: Modern frameworks for ongoing maintenance and feature enhancements. - Mobile: Native development with a focus on performance and hardware integration. - Integrations: APIs for external services like Serasa and physical device compatibility such as payment machines. Through these contributions, I demonstrated a consistent ability to address diverse technical challenges, deliver innovative solutions, and drive impactful results for clients and end-users.

As a part-time contributor for Academy Abroad, I was responsible for developing and enhancing functionalities within the company’s internal e-learning (EAD) system, tailored to meet students' educational needs. Key Contributions: - Feature Implementation: - Designed and integrated new functionalities into the system using Node.js (Express) for the backend and ReactJS for the frontend. - User Experience Optimization: - Improved interface navigation, ensuring a more intuitive and responsive experience for students. - API Integration: - Developed backend endpoints to seamlessly integrate user data, lessons, and performance metrics, connecting the frontend and backend efficiently. - Team Collaboration and Agility: - Worked closely with the company’s team, leveraging agile methodologies to prioritize high-impact deliverables within a short timeframe. - Performance Focus: - Applied best practices to optimize system performance, ensuring scalability to accommodate a growing number of students. Impact: My efforts significantly enhanced the Academy Abroad e-learning platform, delivering a richer, more functional, and user-friendly experience for students while laying the foundation for future scalability and innovation.

At Volltech, a company specializing in gaming PCs, I was hired as a freelancer to update the company's e-commerce platform and enhance its system functionalities. This role also provided me the opportunity to gain hands-on experience in assembling gaming PCs, expanding my technical expertise. Key Responsibilities: - E-Commerce Functionalities Update: - Enhanced system features, implemented layout adjustments, and added new functionalities to improve customer experience. - Product Management: - Regularly updated product information in the online catalog, ensuring accurate and detailed descriptions for customers. - System Optimization: - Improved the performance of the e-commerce platform, focusing on faster loading times and smoother navigation. - Practical Learning in Gaming PCs: - Immersed myself in the company’s expertise by learning practical skills in assembling and configuring gaming PCs, broadening my hardware knowledge. Impact: This experience allowed me to integrate my development skills with practical hardware knowledge, directly contributing to the e-commerce system's improvement and enhancing the overall customer experience for Volltech.

As a co-founder of a startup, I played a pivotal role in the ideation and development of the company's main product while contributing to the foundational structure of the business. This challenging journey required me to take on both technical and strategic responsibilities. Key Contributions: - Full-Stack Development: - Built the core system architecture using Laravel for the backend and jQuery and Bootstrap for the frontend, delivering a scalable and functional product tailored to the business needs. - Technical Leadership: - Led the early development efforts, defining the system architecture and implementing core functionalities to align technology with the product vision. - Collaboration and Management: - Partnered with other founding members to plan technical resources and delivery timelines, ensuring alignment with business objectives. - Overcoming Challenges: - Navigated significant hurdles, including strategic missteps by the CEO, which affected the startup's trajectory. Despite these challenges, the experience provided invaluable lessons in leadership, product management, and resilience under high-pressure conditions. Impact: This experience marked a significant milestone in my career, strengthening my ability to tackle complex technical and strategic challenges in an innovative and fast-paced environment.

During this period, I worked exclusively as a freelancer, managing all aspects of project development as a "one-man software factory." I was responsible for delivering tailored solutions for clients with diverse needs, leveraging a wide range of technologies.Key Responsibilities:Website and System Creation:Developed institutional websites, landing pages, and custom systems using WordPress, PHP, and Laravel.Frontend Development:Built dynamic and responsive interfaces with ReactJS, jQuery, HTML, and CSS, ensuring an optimized user experience.Feature Integration:Configured plugins, APIs, and specific integrations to meet client requirements, including payment gateways and data transmission systems.Project Management:Oversaw all stages of the development lifecycle, from requirement gathering to final deployment, ensuring timely delivery and alignment with client expectations.Adaptability and Agility:Delivered solutions for a variety of industries, quickly adapting to reduced budgets and smaller-scale projects.Lessons Learned:This experience underscored the importance of versatility and efficiency, solidifying my ability to deliver value-driven, customized solutions for diverse clients and industries.

At iBrowse, I worked as a systems developer on a challenging project aimed at modernizing legacy platforms using Caché Object Script. Additionally, I contributed to maintaining and updating Java-based systems. Key Responsibilities:- Legacy System Migration: - Transitioned functionalities from a legacy system to a new infrastructure, ensuring continuity and optimization of processes through Caché Object Script. - Java System Updates: - Developed new features and maintained existing systems, applying coding best practices and continuous improvement techniques. - Integration and Testing: - Conducted integrations between the migrated system and other corporate tools. Designed and executed test routines to validate system behavior. - Collaboration and Documentation: - Worked closely with cross-functional teams to gather business requirements and document all changes and improvements implemented in the systems. Lessons Learned: This experience provided deep insights into legacy system modernization and the use of Caché Object Script and Java to address complex software and infrastructure challenges. It honed my ability to navigate and improve large-scale, business-critical systems.

At DWmoby, I worked as a frontend developer, specializing in creating and customizing websites for various clients using WordPress and Elementor.Key Responsibilities:- Custom Website Development: - Designed and built responsive and optimized websites tailored to meet the unique needs of each client. - Elementor Customization: - Leveraged Elementor to craft dynamic and visually appealing layouts, focusing on functionality and user experience. - Performance Optimization: - Implemented adjustments to ensure fast loading times and seamless usability across mobile and desktop platforms. - Plugin Integration: - Configured and integrated popular plugins to enhance website functionalities, including SEO tools, contact forms, and social media integrations. Skills Enhanced: This role allowed me to refine my skills in WordPress development, responsive design, and delivering result-oriented solutions for diverse business needs. I developed a strong ability to align technical implementation with client goals, ensuring high-quality outcomes for every project.

I was hired by Megafácil Cred to develop a comprehensive system to automate data collection and management, streamlining the sales process for credit products and services.Key Responsibilities:Automation and Web Scraping:Built Python scripts using Flask and Selenium to extract data from external platforms, ensuring accuracy and efficiency in gathering critical business information.System Development:Designed and implemented a web system using pure PHP with Bootstrap, providing an organized and user-friendly interface for the company's team.System Features:Admin Dashboard:Created a central hub for viewing and managing the collected data.Sales Tools:Provided customized tools for the sales team to utilize the extracted data efficiently.Custom Reports:Delivered personalized reports to monitor operations and track performance.Integration and Usability:Developed an intuitive system that seamlessly integrated the extracted data into the company's operations, enhancing workflow and productivity.Impact:This project significantly improved the company's commercial processes by automating data collection and organization. It enabled the sales team to focus on closing deals with reliable and accessible data, thereby boosting operational efficiency and customer satisfaction.

During my tenure at Orcali as a young apprentice, I performed administrative tasks that enhanced the organization and efficiency of the company.Key Responsibilities:- Document and Spreadsheet Updates: - Regularly reviewed and updated data to ensure the accuracy of stored information. - File Organization: - Structured the storage of both physical and digital files, improving accessibility and ease of consultation for the team. - Administrative Support: - Provided daily assistance with administrative tasks, maintaining organized records and addressing operational needs promptly.Skills Developed:This experience was instrumental in cultivating essential professional skills, such as organization, attention to detail, and teamwork. These competencies remain integral to my approach in all subsequent projects and roles.