Rafael Souza

Key Responsibilities: Focused on the development and implementation of a Kubernetes Platform to support applications developed by the development team. Main functions included the development of the platform, implementation of new features, updates, bug fixes, and launching of new platform versions.

Significant Project: Led the refactoring and implementation of version 6 of the platform, which involved major changes to the installation and uninstallation system, and the restructuring of the central repository framework, ensuring service dependencies and eliminating duplicate code.

Achievements: Achieved Certified Kubernetes Administrator (CKA) accreditation, validating expertise in Kubernetes management and administration.

Skills Developed: Enhanced skills in managing and implementing Kubernetes clusters using K3s, managing services like RabbitMQ, Redis, PostgreSQL, clustering with pacemaker, Keycloak, and Longhorn, Ansible.

Impact Contributions: Delivered the significant release v5 within 3 months of joining the project, followed by the successful rollout of v6 and the latest patch v6.1 , substantially improving the platform's reliability and functionality.

Key Responsibilities: Implemented, developed, and maintained development and production environments as an Infrastructure Analyst in the DevOps team at KaBuM!. Worked directly with the order processing team to develop CI/CD pipelines for microservices, implemented new tools, and maintained systems.

Significant Project: Led the infrastructure planning and implementation for the integration of OpenFinance payment methods, a cutting-edge payment solution that facilitated direct bank transfers for customers, starting with an initial integration with NuBank. As a cloud architect, I collaborated with front-end and back-end architects to select and plan AWS services that minimized both implementation and maintenance costs while maintaining financial efficiency.

Achievements: Successfully reduced the system failure rate through proactive infrastructure monitoring and the implementation of advanced alerting with Prometheus, Grafana, and DataDog.

Skills Developed: Enhanced skills in continuous integration and deployment with AWS CodePipeline and CodeBuild, infrastructure as code management with Terraform, and systems monitoring with Jenkins and AWS SystemsManager. Gained expertise in optimizing web services performance using Nginx and AWS CloudFront.

Impact Contributions: My contributions to the OpenFinance payment integration project led to an increase in net sales for the e-commerce platform, showcasing the successful adoption of new financial technologies and boosting the company's payment ecosystem.

Key Responsibilities: Developed complete infrastructure solutions in an AWS environment, focusing on implementing CI/CD, process automation, and documentation.

Significant Projects: Orchestrated the migration and automation of legacy systems to a fully scalable cloud infrastructure, leveraging AWS services to build a robust CI/CD pipeline which improved deployment frequency and quality. Implemented in 4 customers.

Achievements: Successfully minimized downtime during system upgrades and deployment processes through effective CI/CD strategies and real-time monitoring with CloudWatch and Slack notifications.

Skills Developed: Expanded expertise in AWS services, including CloudFormation, CodePipeline, CodeBuild, and RDS. Gained proficiency in server management and load balancing with AWS Application Load Balancer and Nginx and enhanced scripting abilities with Lambda functions for process automation.

Impact Contributions: Played a pivotal role in transitioning the company to a more efficient and resilient infrastructure, leading to an improvement in deployment speeds and a significant reduction in manual intervention, which increased overall productivity.