Roger – PHP, React, Laravel

The project was a platform for comprehensive payment solutions for US businesses of all sizes. The primary focus was developing and maintaining a cutting-edge payment processing platform that enables secure transactions for corporate clients. The project involved maintaining and supporting a robust ecosystem that handles ACH transfers, wire payments, and fraud detection systems. This mission-critical platform processes millions of transactions daily, requiring the highest standards of security, compliance, and performance to meet strict banking regulations and client expectations.

• Specialized in designing and developing robust software solutions tailored for a secure, high-transaction environment;
• Was responsible for creating intuitive user interfaces and reliable API endpoints, while also implementing ongoing maintenance and enhancements to existing applications;
• Played a crucial role in helping to implement major updates to the codebase, migrating from older versions of PHP and Angular to the latest versions;
• Collaborated with cross-functional teams to address challenges and deliver effective solutions, ensuring a seamless experience for our clients.

A project for Adult Content Creation, with clients being OnlyFans content creators. It allows users to create a model by providing their images, which helps to generate images of themselves to publish for their followers.

• Created the admin panel to manage all things related to the management of the project;
• Created all the payment structures for the project;
• Worked on the AI part of things: improved the model creation and generation parts with third-party APIs;
• Created a few features in the admin and user dashboards using the OpenAI API to improve productivity, for example, bulk generation of images, creating new prompts for the user based on their profile and history, or giving suggestions in the admin on the most trending topics used by the user for image creation, etc...

The project's main goal was to migrate the current billing provider, Stripe, to RocketGate.

• Developed everything from scratch to the final production and wrote unit tests;
• Collaborated with other team members (developers, designers, marketers, etc.);
• Developed secure, maintainable, performant, user-friendly software;
• Stayed current with contemporary software engineering best practices.

It's a big e-commerce Brazilian company that specializes in clothing.

• Delivered features that significantly improved performance for the Black Friday season;
• Enhanced the e-commerce search feature with ElasticSearch implementation;
• Incorporated payment gateways and additional services for product shipping;
• Introduced multiple UI improvements, leading to positive feedback from clients.

It's an insurance broker specializing in international container shipping from Itajaí harbor in southern Brazil. The project encompassed comprehensive insurance, handling tax complexities, currency conversions, transportation, and logistics from shipping to final delivery at the destination.

• Played a central role in the project, engaging in direct communication with the client to comprehend their needs, followed by task creation, coding, and continued iterations until the final delivery into production;
• Developed numerous new features, enabling customers to track all of their shipments effectively;
• Authored unit tests for the project due to its intricate tax calculations, ensuring accurate software calculations to avoid potential financial losses for the company.

It's a global agribusiness and food company that connects farmers to consumers, delivering essential food and fuel worldwide. The project aimed to manage work accidents in agricultural facilities, encompassing accident registration, victim details, injuries, responsible parties, worker compensations, and related information.

• Focused primarily on developing CRUD operations and creating user interfaces for end users;
• Assisted in optimizing numerous slow queries that were affecting the software's performance;
• Enhanced code quality significantly, especially since it was legacy code, by conducting code reviews.

It's a CRM made for several sectors, mainly clothing manufacturing. The tool aids in managing and analyzing customer interactions and data across the customer lifecycle to enhance relationships, retention rates, and sales growth.

• Managed and provided ongoing support for a complex legacy CRM system;
• Implemented internal tools and integrated messaging services;
• Maintained Oracle databases with PL/SQL expertise;
• Oversaw the operations of an email marketing system built on Vue.js and Laravel;
• Prepared system documentation and deployed applications for new clients.