- After VADU’s acquisition by Dimensa, I took on a more strategic role, leading initiatives for integrating VADU’s solutions with Dimensa’s corporate systems.- Responsible for architectural decisions on critical projects, ensuring the continuity and evolution of Node.js solutions, with a focus on performance, availability, and integration.- Expanded my role to include mentoring distributed teams and new teams using VADU’s big data solutions, ensuring knowledge transfer and the implementation of development best practices.- Direct involvement in integrating development and automation processes with Dimensa’s compliance and security standards, increasing the robustness and reliability of the solutions.- Strengthened my participation in the platform’s strategic planning, being consulted on key decisions regarding roadmap, feature prioritization, and new implementations.- Continued overseeing the execution of over 500,000 daily jobs, ensuring performance and efficiency remained at the highest level.- Responsible for evaluating technologies and solutions that would allow the platform to expand into new areas, aligned with Dimensa’s objectives.Technologies:- Node.js, NestJS, Express.js, Fastify, Vue.js, TypeScript, jQuery- OAuth2, SSO (Single Sign-On), SAML- Redis, Kafka, Microservices, Kue, Bull- MongoDB- Docker, AWS (S3, EC2)- PM2- GitLab, Jira, Trello- Selenium, Playwright, Puppeteer- Web Scraping, Crawlers- Protheus, Grafana

- As a partner, I developed the architecture of Node.js solutions for the VADU big data platform from the ground up, focusing on scalability and performance to meet the increasing data demand.- Created the platform’s frontend from scratch, establishing development standards and implementing technologies that optimized user experience and system efficiency.- Implemented mass automation and processing solutions, resulting in a significant increase in the ability to process hundreds of thousands of daily jobs, each demanding high server processing power due to their complexity and data volume.- Led the selection of technologies and methodologies that allowed the platform to grow sustainably, in line with business needs.- Collaborated with cross-functional teams, providing technical support and training to developers and other related areas.- Played a crucial role in the platform’s evolution, making it one of the key assets that led to Dimensa’s acquisition.Technologies:- Node.js, NestJS, Express.js, Fastify, Vue.js, TypeScript, jQuery- OAuth2, SSO (Single Sign-On), SAML- Redis, Kafka, Microservices, Kue, Bull- MongoDB- Docker, AWS (S3, EC2)- PM2- GitLab, Jira, Trello- Selenium, Playwright, Puppeteer- Web Scraping, Crawlers- Protheus, Grafana

- Developed and maintained two Java web projects, leading the entire project lifecycle, from conception to delivery, including the implementation of new features and bug fixes.- Managed the entire project infrastructure, including AWS servers, configuring and maintaining PostgreSQL databases, ensuring scalability and high system availability.- Responsible for complex integrations between web systems and the company’s legacy system, utilizing Pentaho Data Integration (PDI) for data exchange and process automation.- Created, maintained, and optimized dozens of complex views in PDI for data extraction, ensuring high performance in high-volume and complex processes.- Maintained constant communication with clients, acting as a bridge between the support, development teams, and stakeholders, ensuring that the clients’ actual needs were understood and efficiently met.- Led the requirements gathering and planning of new solutions, aligning client expectations with the system’s technical capabilities.- Advanced optimization of web system performance, ensuring stability and efficiency, directly impacting the company’s revenue.- Responsible for training new programmers and support teams, as well as creating detailed technical documentation to facilitate future system maintenance.- Deep knowledge of the project due to previous experience in support, allowing for proactive identification and resolution of issues.Technologies:- Java 7, JPA, Primefaces, Hibernate, JSF, Servlets, JAX-RS, JAX-WS, EJB, JMS, JAXB, JDBC- Bopepo, SQL Server, PostgreSQL- Linux Server, Windows Server, SSH Tunnels- Pentaho Data Integration (PDI)- GitHub, Jira- Tomcat- Maven- Log4J- Amazon EC2, Amazon S3

- Provided customer support for the legacy platform, ensuring system stability and resolving system-related incidents.- Responsible for migrating servers for clients, conducting full infrastructure transfers, including the application and SQL Server databases, to new environments.- Customized a White Label web product, performing HTML and CSS customizations to tailor the product to the client’s branding needs.- Conducted tests and investigated SQL Server-related bugs, with full autonomy to apply fixes directly to clients’ databases, ensuring data integrity and service continuity.- Conducted remote and on-site training for clients, covering system modules and specific topics related to the receivables market and FIDCs (Receivables Investment Funds).