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I'm Alejandro Guerrero Aguilar, a results-driven Senior DevOps Engineer and Full-Stack Web Developer with 6+ years of experience designing and operating cloud-native infrastructure on Azure, AWS, and GCP. I specialize in building CI/CD pipelines, containerized workloads, and IaC with Terraform across regulated, high-availability environments. In parallel, I craft bespoke web experiences for creative professionals using Next.js, React, and Node.js — from concept through production. I thrive on turning complex technical challenges into reliable, scalable solutions while collaborating across teams to deliver value. When I'm not coding or automating, I enjoy helping clients realize their vision through responsive, performant web experiences.…I'm Alejandro Guerrero Aguilar, a results-driven Senior DevOps Engineer and Full-Stack Web Developer with 6+ years of experience designing and operating cloud-native infrastructure on Azure, AWS, and GCP. I specialize in building CI/CD pipelines, containerized workloads, and IaC with Terraform across regulated, high-availability environments. In parallel, I craft bespoke web experiences for creative professionals using Next.js, React, and Node.js — from concept through production. I thrive on turning complex technical challenges into reliable, scalable solutions while collaborating across teams to deliver value. When I'm not coding or automating, I enjoy helping clients realize their vision through responsive, performant web experiences.

Alejandro Guerrero Aguilar

Full Stack Developer, Web Developer, DevOps Developer, +1

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I'm Alejandro Guerrero Aguilar, a results-driven Senior DevOps Engineer and Full-Stack Web Developer with 6+ years of experience designing and operating cloud-native infrastructure on Azure, AWS, and GCP. I specialize in building CI/CD pipelines, containerized workloads, and IaC with Terraform across regulated, high-availability environments. In parallel, I craft bespoke web experiences for creative professionals using Next.js, React, and Node.js — from concept through production. I thrive on turning complex technical challenges into reliable, scalable solutions while collaborating across teams to deliver value. When I'm not coding or automating, I enjoy helping clients realize their vision through responsive, performant web experiences.…I'm Alejandro Guerrero Aguilar, a results-driven Senior DevOps Engineer and Full-Stack Web Developer with 6+ years of experience designing and operating cloud-native infrastructure on Azure, AWS, and GCP. I specialize in building CI/CD pipelines, containerized workloads, and IaC with Terraform across regulated, high-availability environments. In parallel, I craft bespoke web experiences for creative professionals using Next.js, React, and Node.js — from concept through production. I thrive on turning complex technical challenges into reliable, scalable solutions while collaborating across teams to deliver value. When I'm not coding or automating, I enjoy helping clients realize their vision through responsive, performant web experiences.

Available to hire

I’m Alejandro Guerrero Aguilar, a results-driven Senior DevOps Engineer and Full-Stack Web Developer with 6+ years of experience designing and operating cloud-native infrastructure on Azure, AWS, and GCP. I specialize in building CI/CD pipelines, containerized workloads, and IaC with Terraform across regulated, high-availability environments. In parallel, I craft bespoke web experiences for creative professionals using Next.js, React, and Node.js — from concept through production.

I thrive on turning complex technical challenges into reliable, scalable solutions while collaborating across teams to deliver value. When I’m not coding or automating, I enjoy helping clients realize their vision through responsive, performant web experiences.

Skills

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Expert

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Intermediate

Work Experience

Senior DevOps Engineer at NTT DATA

November 1, 2024 - Present

Design, implement, and manage secure, scalable infrastructure using Terraform, ensuring compliance and high availability across environments. Build and maintain CI/CD pipelines with Azure DevOps and GitHub Actions, streamlining application delivery under regulatory requirements. Develop and manage Helm charts to standardize and automate deployments to Kubernetes clusters. Administer Kubernetes (AKS) infrastructure and Docker containers, ensuring resilience, security, and consistent performance. Provision and manage Azure resources: Functions, Key Vaults, Storage Accounts, SQL/NoSQL Databases, and Virtual Networks. Write automation scripts in Shell, PowerShell, and Python to support deployment workflows, infrastructure management, and monitoring.

Web Developer at Freelance

October 1, 2024 - Present

Specialize in custom websites for artists, creatives, and small businesses in the creative industry. Build responsive, visually compelling web experiences using Next.js, React.js, Node.js, HTML, and CSS / Tailwind CSS. Deploy and host on AWS (S3, Amplify, Lambda) and Vercel; manage data with AWS RDS. Deliver end-to-end solutions — from concept and design to deployment, performance optimization, and ongoing maintenance.

Sr. IT DevOps Engineer at Kaiser Permanente

March 1, 2024 - November 1, 2024

Supported DevOps practices for an Xstore POS implementation. Maintained and developed CI/CD pipelines in Jenkins using YAML, Ansible playbooks, and Artifactory. Managed AKS clusters and Docker containerization; supported development and QA environment clusters. Automated tasks with Shell, Python, Groovy, and PowerShell; managed releases and provided production support. Documentation via Jira and Confluence; version control through GitHub.

Senior Software Engineer at Accenture

September 1, 2022 - March 1, 2024

Developed, maintained, and standardized Python microservices using FastAPI for the SynOps platform. Containerized and orchestrated services with Docker and Kubernetes; managed source code via Azure DevOps Repos. Coordinated cross-team meetings and feature syncs to align delivery with client requirements.

DevOps Engineer at Accenture

August 1, 2021 - September 1, 2022

Led back-end and DevOps of an internal cost-rating project: REST API on Azure Functions (Python + SQL Server) with full CI/CD for sandbox and production environments. Designed and implemented cloud architectures on AWS, GCP, and Azure using IaC (Terraform) and cloud CLIs. Partnered with software and management teams to scope and deliver practical cloud solutions.

DevOps Operations Engineer at Information Technology Support

October 1, 2020 - August 1, 2021

Triaged and resolved production support tickets via Jira Service Desk, handling high-severity incidents under pressure. Administered Windows Server (2012/2016), IIS, SQL Server (2014/2017), and used SQL Profiler for performance tracing. Authored PowerShell scripts for daily automation; monitored systems with LogicMonitor and Splunk. Coordinated production releases, post-deployment validation, and cross-team communication.

Azure DevOps Support Engineer at Tek Experts

September 1, 2020 - October 1, 2020

Troubleshot Azure DevOps platform issues (Pipelines, Repos, Boards, CD/CI) via email, chat, and phone.

Senior Software Support Engineer — Microsoft Dynamics 365 F&O at Tek Experts

March 1, 2020 - September 1, 2020

Reviewed engineer cases as a QA/mentoring lead, providing SQL scripts, X++ code reviews, and database maintenance guidance. Tested and researched product features to produce improved troubleshooting steps and customer solutions.

Software Developer Intern at MDG Developers Group

January 1, 2018 - December 1, 2018

Developed a workforce scheduling planner using .NET (C#), MVC, SQL, JavaScript, HTML, and CSS.

Software Developer Intern at Ministerio de Educación Pública de Costa Rica

June 1, 2018 - July 1, 2018

Built features for internal mail correspondence and book approval systems using .NET (C#, VB), SQL, and MVC.