Guilherme Reis
Hey, I'm Guilherme
Available for new opportunities
About Me
DevOps Engineer with over 5 years of experience in cloud engineering and microservices architecture. I hold certifications in AWS (Solutions Architect and Cloud Practitioner) and Terraform, as well as Prometheus. Proficient in Terraform, Kubernetes, AWS, Docker, Jenkins, Prometheus, Grafana, and much more. I focus on CI/CD best practices, infrastructure as code, and enhancing system efficiency through automation. Committed to optimizing resources, maintaining standardized infrastructure, and ensuring robust security, observability, and monitoring.
Let's connect and explore how we can work together!
Tech Stack
AWS GCP Kubernetes Terraform Docker ArgoCD Jenkins GitHub Actions Prometheus Grafana Python Bash Linux Nginx Helm GitOps Azure DevOps Ansible
Certifications
AWS Solutions Architect Associate
AWS Solutions Architect – Associate
AWS Training and Certification
AWS Cloud Practitioner
AWS Cloud Practitioner
AWS Training and Certification
Terraform Associate
Terraform Associate (003)
HashiCorp
Prometheus Certified Associate
Prometheus Certified Associate
The Linux Foundation
Experience

Zazmic (AI, Cloud & Cybersecurity Solutions) - Senior DevOps Engineer

Aug 2025 - Present · Remote
  • Supported large-scale migrations from on-premises, AWS, and Azure to GCP, ensuring minimal downtime, high availability, and performance consistency.
  • Worked on the migration of microservices-based architectures, adapting containerized workloads, Kubernetes clusters, and cloud-native services to new environments.
  • Migrated and restructured CI/CD pipelines, transitioning build and deployment workflows across platforms, improving automation, security, and deployment speed.
  • Implemented and managed GitOps workflows using ArgoCD, enabling declarative deployments and consistent environment synchronization.
  • Designed and optimized Kubernetes environments (EKS / GKE), including networking, ingress, autoscaling, and monitoring stacks using Prometheus and Grafana.

Darede (AWS Premier Tier Partner) - Senior DevOps Engineer

May 2022 - Jul 2025 · 3 yrs 3 mos · Remote
  • Analyzed and enhanced microservices environments on AWS, GCP and Azure by improving Dockerfiles to reduce build times and address vulnerabilities, optimizing CI/CD stages.
  • Designed, implemented, and maintained CI/CD pipelines using GitHub Actions, Azure DevOps, Jenkins, and AWS CodePipeline, automating build, test, and deployment workflows.
  • Responsible for training interns and overseeing their activities, ensuring they acquired essential skills and performed tasks effectively.
  • Designed resilient architectures on AWS, GCP and Azure, focusing on cost-efficiency, observability, and security, utilizing SPOT instances and Terraform.
  • Created robust automations for provisioning Kubernetes clusters and configuring operators including Prometheus, Grafana, ingress controllers, and auto-scaling.

Looqbox (SaaS BI Platform) - DevOps Engineer

Nov 2021 - Apr 2022 · 6 mos · Remote
  • Supported and optimized a high-availability application environment serving over 40,000 users.
  • Structured the monitoring and alerting system using Prometheus and Grafana, significantly reducing incident response times.
  • Led the implementation of ArgoCD for GitOps and CI/CD processes, improving deployment frequency and reliability.
  • Managed cloud resources across sandbox, development, staging, and production environments using Terraform.

Claranet (Cloud and Cybersecurity Consulting) - System Engineer JR

Oct 2020 - Nov 2021 · 1 yr 1 mo · Remote
  • Monitored and maintained cloud infrastructure, focusing on keeping resources right-sized to avoid unnecessary expenses.
  • Analyzed client cloud environments to identify and implement security enhancements.
  • Implemented automated scripts using Python to significantly reduce manual intervention.