Professional Experience: 360° Solutions Development for Commercial BusinessesCompany: GoOnGoOn, based in Ciudad del Este and Foz do Iguaçu, specializes in providing comprehensive solutions for commercial businesses. In my role, I designed and implemented innovative solutions across platforms and technologies.Key Achievements:• Custom Mobile Apps: Enhanced user experiences with tailored mobile apps, enabling online shopping, product access, and seamless store… Show more Professional Experience: 360° Solutions Development for Commercial BusinessesCompany: GoOnGoOn, based in Ciudad del Este and Foz do Iguaçu, specializes in providing comprehensive solutions for commercial businesses. In my role, I designed and implemented innovative solutions across platforms and technologies.Key Achievements:• Custom Mobile Apps: Enhanced user experiences with tailored mobile apps, enabling online shopping, product access, and seamless store interaction.• E-commerce Platform: Contributed to e-commerce development, expanding digital presence and streamlining sales operations.• Interactive Store Kiosks: Designed interactive in-store kiosks, boosting customer engagement.• WhatsApp-Integrated Chatbots: Integrated WhatsApp chatbots for efficient customer support, providing quick responses.• ERP System Integration: Successfully integrated with local ERP systems, ensuring smooth data flow for efficient management.• External Systems and Payment Gateways: Seamlessly integrated external systems and payment gateways, enabling diverse payment sources.Skills:Proficient in PHP, NodeJS, ReactJS, React Native, NextJS, SQL, MySQL, MongoDB, AWS (S3, EC2, EB, RDS, Code Pipeline), Bitbucket CI/CD, Vercel, CloudFlare, DNS Configuration, and more.Results:My work significantly enhanced clients' online presence, operational efficiency, and customer satisfaction. It led to increased revenue and competitiveness for businesses in Ciudad del Este and Foz do Iguaçu, showcasing my ability to create effective, innovative solutions. Show less

Professional Experience: Java and C# System Development and MaintenanceCompany Overview:I played a pivotal role in developing, enhancing, and maintaining Java and C# systems. My duties involved improving existing systems and creating new products tailored to the company's needs.Key Achievements:• Evolution and Maintenance of Existing Systems: - Resolved critical issues and optimized performance for legacy Java and C# systems. - Implemented crucial security… Show more Professional Experience: Java and C# System Development and MaintenanceCompany Overview:I played a pivotal role in developing, enhancing, and maintaining Java and C# systems. My duties involved improving existing systems and creating new products tailored to the company's needs.Key Achievements:• Evolution and Maintenance of Existing Systems: - Resolved critical issues and optimized performance for legacy Java and C# systems. - Implemented crucial security updates to ensure system integrity. - Introduced new features to enhance functionality and user experience.• Development of New Products: - Electronic Time Clock: Designed a precise system for employee hour tracking and attendance management, enhancing efficiency. - Web Page Generator: Developed a user-friendly tool for quick web page creation, streamlining content generation. - API Integration Hub: Created a hub to improve data exchange efficiency between systems and applications.Results:My contributions in system evolution, maintenance, and new product development enhanced the company's operational capabilities, highlighting my ability to provide technological support and drive innovation in a challenging professional environment. Show less

Professional Experience in C# and ReactJS Application DevelopmentKey Achievements:My extensive experience in C# and ReactJS application development includes:• Cryptographer (C#): Designed and implemented a secure C# encryption application for data security.• Non-Fiscal Point of Sale (C#): Created an efficient C# POS system, optimizing sales transactions.• Book Reading Manager (C#): Developed a comprehensive book reading app for enhanced user… Show more Professional Experience in C# and ReactJS Application DevelopmentKey Achievements:My extensive experience in C# and ReactJS application development includes:• Cryptographer (C#): Designed and implemented a secure C# encryption application for data security.• Non-Fiscal Point of Sale (C#): Created an efficient C# POS system, optimizing sales transactions.• Book Reading Manager (C#): Developed a comprehensive book reading app for enhanced user experience.• Embroidery Matrix Manager (C#): Designed a robust system for managing embroidery matrices.• Kids Area Manager for Events (ReactJS): Introduced a ReactJS-based manager, reducing entry queues and streamlining data management.These achievements highlight my ability to create tailored solutions that meet specific needs, enhancing my programming and UI design skills. Show less

Master's Experience in Computer ScienceDuring my master's program, I undertook specialized studies in Digital Games and Learning, Computational Tools for Collaboration, and Research in Computer Science Applied to Education. Under the mentorship of Prof. Crediné Silva de Menezes, I gained expertise in designing and developing educational games to actively engage students, fostering improved learning outcomes. Prof. Orivaldo de Lira Tavares guided my exploration of collaboration dynamics… Show more Master's Experience in Computer ScienceDuring my master's program, I undertook specialized studies in Digital Games and Learning, Computational Tools for Collaboration, and Research in Computer Science Applied to Education. Under the mentorship of Prof. Crediné Silva de Menezes, I gained expertise in designing and developing educational games to actively engage students, fostering improved learning outcomes. Prof. Orivaldo de Lira Tavares guided my exploration of collaboration dynamics and the utilization of computational tools to facilitate effective teamwork and communication.In the Seminar on Research in Computer Science Applied to Education, co-guided by Profs. Crediné Silva de Menezes and Orivaldo de Lira Tavares, I deepened my understanding of current industry trends and challenges. My research contributions received valuable feedback, and I gained insights into a diverse array of peer research initiatives.These experiences enhanced my research capabilities, honed my proficiency in educational system design, and broadened my comprehension of the intricate interplay between technology and learning. My master's journey provided me with a strong foundation to address educational challenges and innovate in the application of technology to enrich the learning experience. Show less

Professional Experience: System and Mobile App Development at a Credit Card CompanyKey Achievements:• Enhanced Java and Delphi Systems: - Boosted system efficiency with performance improvements and security updates. - Introduced new features to ensure system effectiveness.• Java Mobile App Development: - Created a secure, efficient Point of Sale (POS) app for streamlined credit card transactions. - Designed a consultant support app for product… Show more Professional Experience: System and Mobile App Development at a Credit Card CompanyKey Achievements:• Enhanced Java and Delphi Systems: - Boosted system efficiency with performance improvements and security updates. - Introduced new features to ensure system effectiveness.• Java Mobile App Development: - Created a secure, efficient Point of Sale (POS) app for streamlined credit card transactions. - Designed a consultant support app for product updates and improved sales. - Developed a client app for data inquiries, transactions, and secure payments.Outcome:My contributions optimized systems and delivered innovative mobile solutions, ensuring smooth credit card operations. Show less

Experience in Optimizing High-Performance MSSQL Server ProcessesIn my role at a loan company, I spearheaded enhancements in MSSQL Server database processes. The focus was on refining payment return file imports and bank payment slip processes, yielding these key outcomes:• Process Efficiency: Collaborated to streamline and improve import processes, boosting efficiency and reliability.• Custom Function Development: Engineered efficient, scalable functions within MSSQL… Show more Experience in Optimizing High-Performance MSSQL Server ProcessesIn my role at a loan company, I spearheaded enhancements in MSSQL Server database processes. The focus was on refining payment return file imports and bank payment slip processes, yielding these key outcomes:• Process Efficiency: Collaborated to streamline and improve import processes, boosting efficiency and reliability.• Custom Function Development: Engineered efficient, scalable functions within MSSQL Server for handling return files and payment slips.• Data Integrity: Implemented rigorous data checks to minimize errors and discrepancies.Results:- Improved efficiency in managing growing data volumes.- Automated processes saved time and resources.This experience enhanced my expertise in process optimization, and I've successfully applied it in subsequent roles. Show less

Experience in C# and .NET Development for Railway ControlDuring my time at a loan company, I played a pivotal role in enhancing the C# and .NET-based railway control system for Vale SA. One of the highlights was successfully implementing the system in Mozambique. Key achievements include:- Enhanced Functionality: I improved and expanded the railway control system by conducting thorough requirement analysis, designing solutions, coding, and testing new features.- Seamless… Show more Experience in C# and .NET Development for Railway ControlDuring my time at a loan company, I played a pivotal role in enhancing the C# and .NET-based railway control system for Vale SA. One of the highlights was successfully implementing the system in Mozambique. Key achievements include:- Enhanced Functionality: I improved and expanded the railway control system by conducting thorough requirement analysis, designing solutions, coding, and testing new features.- Seamless Implementation: I oversaw the smooth implementation of the system in Mozambique, collaborating with local and international teams. This involved customizing the system, providing training, and post-implementation support.- Performance Optimization: I optimized system performance, addressing bottlenecks to meet growing railway operation demands.- System Integration: I integrated the railway control system with other Vale SA systems, enhancing holistic railway management.These achievements resulted in an efficient railway control system tailored to Mozambique's needs, improving operational efficiency and safety. This experience demonstrates my capacity to innovate, adapt systems, and optimize critical systems for global organizations. Show less

Sales and Telecom: Integrated Consumption Control SystemIn my role at a sales and telecom company, I developed an integrated system for visualizing and controlling phone plan consumption. Key achievements:- Requirements Analysis and Strategy: Collaborated with sales and telecom teams.- Design and Architecture: User-friendly design with clear consumption data presentation.- Application Development: Modern, robust, and responsive technology.- Data Integration:… Show more Sales and Telecom: Integrated Consumption Control SystemIn my role at a sales and telecom company, I developed an integrated system for visualizing and controlling phone plan consumption. Key achievements:- Requirements Analysis and Strategy: Collaborated with sales and telecom teams.- Design and Architecture: User-friendly design with clear consumption data presentation.- Application Development: Modern, robust, and responsive technology.- Data Integration: Real-time consumption data integration for clients.- Testing and Quality Assurance: Rigorous testing for reliability.- Training and Support: Effective training programs and continuous support.- Achievements: Empowered clients for cost savings and efficiency enhancement.This project demonstrates my ability to innovate and add value to the sales and telecom sector. Show less

During my internship at a company specializing in the development of systems for importers, I focused on enhancing the existing functionality of the Delphi software. My main activities included:**1. Small System Improvements:** - I collaborated in the process of identifying specific improvements in the system to enhance the user experience and the efficiency of importer operations. - I actively participated in implementing these improvements, which involved coding… Show more During my internship at a company specializing in the development of systems for importers, I focused on enhancing the existing functionality of the Delphi software. My main activities included:**1. Small System Improvements:** - I collaborated in the process of identifying specific improvements in the system to enhance the user experience and the efficiency of importer operations. - I actively participated in implementing these improvements, which involved coding, debugging, and testing to ensure that the changes did not negatively impact the software's stability.**2. Development of an Automated Testing System:** - I developed an automated testing system for the software. This initiative aimed to automate the process of verifying functionalities, identifying bugs, and ensuring quality. - The automated testing system I created allowed for the quick and accurate execution of tests in various parts of the software, saving time and resources. - Additionally, I collaborated in defining test cases and creating automation scripts to cover a wide range of usage scenarios.My internship experience at this company provided me with a deeper understanding of the development cycle, the importance of continuous improvements, and automated testing to ensure software quality. These skills and knowledge proved valuable in my subsequent professional journey. Show less

Desenvolvimento de sistemas web em asp + Oracle e MSSQL

Desenvolvimento de websites e pequenos sistemas web.