Renan Valente

I work in developing innovative solutions and providing support for the Brazilian financial market, with a focus on instant payment processing. My responsibilities include creating Lambda functions to enhance monitoring and observability of applications and transactions, with an emphasis on developing the instant payment project, aimed at optimizing the efficiency, security, and scalability of the systems.

I had the opportunity to be actively involved in all stages of the project lifecycle, from requirements analysis to strategic planning and implementation. Additionally, I was responsible for creating C4 diagrams to document the architecture, facilitating subsequent development and ensuring clarity in deliverables.

During this period, I worked with Node.js (TypeScript) and Java, and utilized advanced monitoring tools such as DataDog, Grafana, and Kibana to ensure visibility and ongoing system performance. I also integrated several AWS services, including SQS, API Gateway, and Secrets Manager, to ensure robustness, scalability, and security in the production environment.

I worked directly with a client in Argentina, developing innovative solutions for point-of-sale (POS) systems and contributing to the evolution of the company's payment infrastructure. My primary responsibility was to design, develop, and maintain the API responsible for processing QR Code transactions, ensuring security, high availability, and performance for both POS devices and the Payment Gateway.

During this period, I used the company’s proprietary language for direct development on POS, Java with Spring Boot to build scalable and robust APIs, and Ruby for test automation, ensuring integration quality and reliability. I also worked with REDIS and Jenkins and leveraged various AWS services, such as SQS, EC2, and S3, combined with monitoring and observability tools, including DataDog, Grafana, and Kibana.

My focus was on optimizing system performance and stability, continuously improving processes to ensure a seamless experience for users and end customers.

Skills: Java, Spring Boot, Ruby, NodeJs, TypeScript, MySQL, REDIS, DynamoDB, AWS, Datadog, Grafana, Kibana, Cloudformation, CI/CD, Jenkins, Jira, Confluence

Responsible for developing customized technology solutions for clients, actively involved in all phases of the project lifecycle.

I engage in every step from gathering requirements to implementing and maintaining robust, scalable systems.

I have extensive experience with PHP, utilizing frameworks such as Laravel and YiiFramework, as well as Ruby on Rails, complemented by a strong background in databases like MySQL and PostgreSQL. I also work with JavaScript, HTML, and CSS, leveraging modern frameworks like Bootstrap and Tailwind to create responsive and intuitive interfaces.

My focus is on harnessing technology to optimize processes, enhance security, and boost operational agility, always seeking innovations that deliver measurable results and add significant value to clients' businesses.

Skills: PHP, Ruby, NodeJs, MySQL, PostgreSQL, JavaScript, HTML, CSS, REDIS, AWS and SEO

Responsible for the development and support of the school's proprietary ERP system, as well as the internal employee time management system.

I worked on the development and maintenance of various features within the ERP, ensuring high performance, reliability, and scalability. Additionally, I led the entire development of the time management system, from conception to implementation, ensuring its efficiency and seamless integration with other systems.

I worked with PHP (Yii Framework), MySQL, PostgreSQL, Node.js, jQuery, CSS, and HTML, continuously implementing improvements to optimize processes and enhance system usability. For infrastructure, I utilized AWS services such as EC2 and S3 to ensure robustness, scalability, and security.

I also actively participated in the analysis and implementation of new features, always aiming to improve operational efficiency and provide a better user experience.

Skills: PHP, MySQL, PostgreSQL, NodeJS, JavaScript, Websocket, JQuery, CSS, HTML, AWS and SEO

Developer in the creation of the company's new ERP system, replacing the legacy system.

I was hired to join the development team with the goal of designing and building a new ERP system, modernizing and enhancing the functionalities of the legacy system to improve operational efficiency and scalability.

My responsibilities included gathering requirements, analyzing and proposing technical solutions, as well as developing and maintaining code, ensuring high performance and adherence to best software engineering practices. I actively contributed to the implementation of new features, process optimization, and user experience improvements.

I worked in an agile (SCRUM) environment, using Ruby on Rails for backend development, MySQL for data management, and HTML, jQuery, and CSS for the front-end, ensuring intuitive and responsive interfaces. Additionally, I collaborated with the team on architecture definition, development best practices, and strategies for migrating the legacy system.

Skills: Ruby on Rails, Jquery, CSS, HTML, MySQL and SEO

IT Instructor – Courses in Web Development, Web Design, and Computer and Laptop Assembly and Maintenance

As an IT instructor, I am responsible for teaching and training students in the areas of web development, web design, and computer and laptop assembly and maintenance, providing solid and practical training. My goal is to ensure that students acquire not only theoretical knowledge but also the hands-on experience necessary to stand out in the job market.

In the Web Development course, I teach everything from the basics of HTML, CSS, and JavaScript to more advanced technologies like PHP and databases. In the Web Design course, I cover best practices in responsive design, UX/ UI, and tools like Corel Draw and Photoshop, enabling students to create attractive and functional interfaces. Additionally, in the Computer and Laptop Assembly and Maintenance course, I guide students in hardware diagnostics and repairs, building custom computers, and preventive maintenance, ensuring the devices' optimal functioning.

Throughout the lessons, I strive to promote a practical, results-oriented approach, with a focus on solving real-world problems. My mission is to prepare students for the job market by providing them with technical skills and an analytical mindset that are essential for their professional careers.

Skills: PHP, Jquery, CSS, HTML, MySQL, SEO, Photoshop, Corel Draw

Responsible for the Implementation of the TASY System at the Hospital

I was in charge of the implementation of the TASY system at the hospital, with the goal of optimizing and modernizing administrative and clinical processes. Throughout this journey, I was responsible for planning, coordinating, and executing the implementation, ensuring an efficient transition from the old system to TASY, with minimal impact on hospital operations.

In addition to the implementation, my role also involved delivering training sessions for staff, empowering them to use the new system and ensuring that all employees were prepared to utilize the features efficiently and securely. I conducted customized training sessions for different departments, focusing on improving productivity and reducing the learning curve.

After the implementation, I continued to provide ongoing support, assisting users in their daily tasks and ensuring the system was used properly and without disruptions. I worked closely with IT teams and operational areas to quickly identify and resolve issues, as well as make necessary adjustments to improve performance and user experience.

This experience allowed me to develop skills in project management, team training, and technical support, as well as gain deeper insights into the implementation of technological solutions for the healthcare sector.

Skills: Training, Employee Training