Marcelo Grebois

Senior Devops Consultant @Toptal

At Toptal, I served as a Senior DevOps Consultant, focusing on modernizing cloud infrastructures for diverse client projects. My roles varied from migrating Kubernetes platforms to automating provisioning and executing high-load testing. Outline of Responsibilities: Migrate Kubernetes platforms across cloud providers. Implement GitOps provisioning via Flux. Automate QA and testing stage provisioning. Conduct high-traffic load testing. Optimize costs with serverless architectures like AWS Lambda. Projects: AWS to OVH Migration Role: Consultant Description: Migrated a Kubernetes platform from AWS to OVH, achieving cost reduction and improved performance. GitOps with Flux Role: Consultant Description: Standardized the provisioning of multiple Kubernetes clusters using Flux, enhancing maintainability. QA & Testing Provisioning Role: Consultant Description: Automated QA and testing stage setups, speeding up the development cycle. Hetzner Cloud Configuration Role: Consultant Description: Configured a Hetzner cloud server farm with Docker, optimizing for scalability. Load Testing Role: Consultant Description: Conducted load tests to enable the website to handle over two million requests per second without performance loss. Serverless Migration Role: Consultant Description: Transitioned to a serverless architecture using AWS Lambda and SQS, optimizing for cost and scalability. Amazon EKS Setup Role: Consultant Description: Configured a robust Amazon EKS-based cloud infrastructure. GitHub Actions Deployment Role: Consultant Description: Automated deployments and provisioning using GitHub Actions. Technologies: AWS, OVH, Hetzner, Kubernetes, Flux, Docker, Lambda, SQS, EKS, GitHub Actions