Douglas Mendes

Douglas Luiz Mendes

🌍 Brazil - Remotely

Cloud-Native Platform Engineering Associate & Kubernetes Certified

Site Reliability Engineer focused on building resilient, observable, and automated infrastructure. Experienced with cloud platforms, containerization, and infrastructure-as-code.

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🚀 Expertise in the Modern Ecosystem

Deep hands-on experience with industry-leading technologies for cloud-native infrastructure, containerization, and automation.

☁️

AWS

Cloud Infrastructure

⛵

Kubernetes

Container Orchestration

🤖

Jenkins

CI/CD Automation

⚡

GitHub Actions

Workflow Automation

🏆 Recent Achievements

🎖️

CNCF Credential

CNPA: Certified Cloud Native Platform Engineering Associate

Certified by the Cloud Native Computing Foundation (CNCF) for expertise in cloud-native platform engineering, Kubernetes, and modern containerized infrastructure practices.

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Focus Areas

🎯

Ensuring reliability at Itaú

In Progress

✓

Ensured end-to-end observability using Datadog

Completed

✓

Strengthened engineering teams with SRE best practices

Completed

💼 Experience

Sr Site Reliability Engineer

🏢 Itaú Unibanco

02/2022 - Present

  • •Led SRE practices for Beyond Banking platforms (iCarros, Tags) supporting high-availability consumer-facing applications
  • •Executed AWS account migration into Itaú's centralized cloud environment with compliance guardrails
  • •Led observability migration from Grafana to Datadog, redesigning metrics, alerts, and SLOs
  • •Implemented FinOps strategies reducing cloud costs by R$300K+ annually
  • •Strengthened platform resilience through load testing, capacity planning, and chaos engineering

Sr Site Reliability Engineer

🏢 ZUP Innovation (Itaú)

03/2021 - 02/2022

  • •Core SRE for Itaú Shop, a cloud-native marketplace embedded in Itaú's super-app
  • •Designed and bootstrapped AWS infrastructure using Terraform and Crossplane
  • •Owned Kubernetes environments with 1,000+ pods ensuring scalability and availability
  • •Exposed microservices securely via API Gateway
  • •Built and enhanced CI/CD pipelines with Jenkins for faster deployments

DevOps Engineer

🏢 Grupo Mult (BMG Bank)

08/2020 - 03/2021

  • •Built and maintained CI/CD pipelines using Azure DevOps
  • •Implemented DevSecOps practices with SonarQube and Nexus
  • •Migrated applications from on-premises to cloud-based pipelines
  • •Enabled product squads to deploy secure, scalable cloud applications

Site Reliability Engineer

🏢 Avenue Code

10/2017 - 08/2020

  • •Worked as SRE consultant for US Fortune 500 company on revenue-critical platforms
  • •Designed and implemented automation to reduce operational toil
  • •Supported global e-commerce platforms with high traffic and strict availability requirements
  • •Migrated observability stacks (Datadog ↔ New Relic) and implemented PagerDuty for 10+ teams

⚙️ Skills & Expertise

Cloud & Platforms

☁️AWS (EKS, ECS, EC2, IAM, S3, Lambda, API Gateway)★★★★★
☁️Azure★★☆☆☆
☁️GCP★★☆☆☆

Containers & Orchestration

⛵Kubernetes★★★★★
🐋Docker★★★★★

Infrastructure as Code

🏗️Terraform★★★★★
🏗️Crossplane★★★★☆

CI/CD & Automation

🤖Jenkins★★★★☆
🔄GitLab CI★★★★☆
🔄Azure DevOps★★★☆☆
💻Shell★★★★★
💻PowerShell★★★☆☆

Observability & Incident Management

📊Datadog★★★★★
📈Prometheus★★★★☆
📊Grafana★★★★☆
📈New Relic★★★☆☆
🔍Graylog★★★☆☆
🚨PagerDuty★★★★☆
🎫ServiceNow★★★☆☆

Reliability & Operations

🎯SRE practices★★★★★
📊SLOs/SLIs★★★★★
🚑Incident Response★★★★☆
📖Runbooks★★★★☆
⚡Chaos Engineering★★★☆☆
⚙️Load Testing★★★★☆
💰FinOps★★★☆☆

🎓 Education & Certifications

📚 Degrees

Completed

Postgraduate Degree in Site Reliability Engineering

PUC Minas

Completed

Bachelor's Degree in Information Systems

PUC Minas

🏆 Certifications

Active

CNPA: Certified Cloud Native Platform Engineering Associate

CNCF

2022

AWS Solutions Architect, Associate

AWS

2022

AWS Cloud Practitioner

AWS

2021

Certified Kubernetes Administrator (CKA)

CNCF

2020

Google Cloud Associate Cloud Engineer

Google Cloud

2020

Oracle Cloud Infrastructure Architect Associate

Oracle

Completed

RedHat RH024

RedHat

📬 Get in Touch

Let's discuss your infrastructure challenges, reliability initiatives, or opportunities.

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