CV

David Rosero Calle

ES EN

Full Stack Developer with focus on DevOps & Cloud, currently working as Principal SRE.

Medellin, Colombia

Skills

Docker
Kubernetes
Azure
Terraform
Bash
Go
Python
HTML
CSS
JavaScript
Git
GitHub
GitHub Actions
Harness
Azure DevOps
Helm
Linux
Windows Server
Ansible
npm
Astro
Fast Api

Projects

QA environment creation for .Net, Go, Angular and React applications.

By means of terraform the environments for both the backend and the frontend are generated in a complex architecture.

TerraformTerragruntPackerAzure
Migration of resources from Azure subscription to another subscription

Migration of resources such as VM, App Services, Function Apps, SQL, KeyVaults, Storage, FrontDoors and Application Gateway from one subscription to another via terraform and terragrunt.

CloudAzure
Secret Management CLI for Azure KeyVault

A CLI is developed through cobra-cli (go) for the management of secrets, which allows for fast movement of secrets between environments as well as for use within the CICD process.

CLIGoAzureKeyVault
Cost reduction for K8S environments

Integration, configuration and activation of monitoring and autoscaling tools to reduce costs in kubernetes environments.

CloudAzureKubernetesSpot Instances
Migration of CI/CD model from Harness to GitHub Actions

Migration of CI/CD pipelines from Harness to GitHub Actions, creation of CLI tools for the development team.

CICDHarnessGithub ActionsAutomatizacion
Installation, configuration and maintenance of ruckus controllers

Implementation of a physical server for the implementation of a ruckus controller, for the management of different network devices.

VlanNetworkRuckusVMware

About

Hi nice to meet you. I have +4 years of experience as DevOps/Cloud in Azure and +2 years as SRE, I am currently Principal SRE in a LATAM company where my role is to investigate and improve services. As a DevOps I have been able to have the opportunity to get back into creating different solutions at the CI/CD level, as well as having the opportunity to be a leader at the DevOps level.

Experience

Siigo S.A

Principal SRE

2024 - Present

I work in the research of new tools, management of k8s environments, integrate monitoring tools in the different applications that make up the business, manage, maintain and improve the CICD depending on the technology (Github Actions, Harness, Azure DevOps).
Siigo S.A

DevOps/SRE Tech Lead

2022 - 2024

Lead a development and operations team (4-6), migrate CICD tools, create CLI tools for development team, implement monitoring tools, create infrastructure tools as code, support security and development teams in implementing security and code quality tools.
Siigo S.A

DevOps/SRE

2021 - 2022

I worked in the management of Kubernetes environments in different countries and environments, implementation of the CICD harness tool, application packaging management through helm, maintenance of services at frontend (Angular, React) and backend (.Net, Go), Dockerization of applications on Linux and Windows.
Siigo S.A

Jr DevOps

2020 - 2021

Creation of environments through terraform and terragrunt, implementation of serverless architecture, maintenance of CI/CD pipelines through Azure DevOps, creation of different automations through function apps.
Ticline S.A.S

Analista de Desarrollo

2017 - 2019

Installation of physical servers in Datacenter for the government sector, structured cabling, implementation of mikrotik routers for IPSec connections (VPN), network administrator and on-premise servers, implementation of monitoring and security solutions such as Cacti and Nagios.Installation of physical servers in Datacenter for the government sector, structured cabling, implementation of mikrotik routers for IPSec connections (VPN), network administrator and on-premise servers, implementation of monitoring and security solutions such as Cacti and Nagios.

Education

Holberton School
2019 - 2020

Full Stack Developer
SENA
2016 - 2017

Data Network Technologist
CEFIT
2014 - 2015

System Technique