Alexander Cranga

About me

DevOps/SRE Engineer focused on delivering measurable business value through automation, cost optimization, and reliable systems. I specialize in building scalable CI/CD infrastructure, implementing AI-driven operational workflows, and maintaining production monitoring systems that minimize downtime and reduce costs. I create engineering solutions that enable teams to ship faster while keeping infrastructure stable and efficient

Skills and Tools

DevOps/SRE & Infrastructure

AWS

Kubernetes

Docker

Terraform

GitHub Actions

Jenkins

Grafana

Prometheus

PagerDuty

Helm

Linux

NixOS

CI/CD & Build Tools

Jenkins Pipeline

GitLab CI

Bitbucket Pipelines

Bazel

pytest

Programming Languages

JavaScript

TypeScript

Bash

Java

Python

Testing & Quality

Selenium

Cucumber

BrowserStack TestNG

JUnit JBehave Serenity

Sauce Labs

Work Experience

DevOps Engineer | Extole

Nov 2019 - Current

AI tools - built AI-powered incident response system to automatically analyze production issues, gather diagnostic context, and provide root cause analysis for on-call engineers
Python + AI - developed Python-based AI-driven automation workflows for internal teams including Customer Success and Solutions, simplifying operational processes
Workflow automation - designed and maintain on-demand workflow system for creating and destroying development environments, enabling developers to spin up isolated test environments for their work
Kubernetes - built self-hosted GitHub runner infrastructure on AWS EKS using Terraform and maintain 40+ CI/CD workflows for deployments, testing, and monitoring across multiple services
Docker + Linux - built custom advanced Docker images on Linux with custom image configuration for GitHub Runners and other parts of the system to support NixOS-based workloads
Terraform + AWS - implemented and maintained advanced Terraform modules automation for AWS infrastructure provisioning and management
Grafana/Prometheus - created CI/CD observability platform using Grafana and Prometheus with dashboards tracking deployment frequency, build times, failure rates, and infrastructure costs
Python automation - automated Let's Encrypt SSL certificate renewal process using Python, eliminating manual certificate management and preventing expiration incidents
On-call - served as on-call engineer for production and development environments, responding to incidents and ensuring system reliability
CI/CD migration: planned and completely migrated CI/CD infrastructure from Jenkins to GitHub Actions, implementing advanced custom actions and workflows
Cost Optimization - participated in platform-wide cost optimization initiative, achieving 40-50% infrastructure spend reduction
QA Automation - redesigned QA automation strategies for Java/TypeScript test suites and own end-to-end automation workflows across the testing infrastructure

Full Stack Developer | Allied Testing (part time)

Jun 2018 - Nov 2019

Developed production web application using React, Redux, ES6, Webpack, and Atlassian Atlaskit components, deployed to 60+ Atlassian customer environments
Built CI/CD pipelines using Jenkins to automate testing, building, and deployment workflows for the project

Internship program co-owner and mentor | Allied Testing (part time)

Jan 2017 - Nov 2019

Developed internship program application using TypeScript and Angular 2
Contributed to REST service development using Java and Spring framework
Interviewed 100+ candidates, with 60+ successfully hired by the company
Mentored interns in QA automation, REST APIs, testing frameworks, and Java programming

QA Framework and Automation engineer | Allied Testing

Dec 2015 - Nov 2019

Built automation tools and test suites using Java, TestNG, JUnit, JBehave, Serenity, Selenium, and Cucumber following TDD/BDD methodologies

Education

Technical University of Moldova

2014 - 2019

Bachelor's degree

Theoretic Lyceum 'Vasilie Lupu'

2002 - 2014