Freelancer profile translated to English.

Description

Cloud & DevOps Engineer with real-world experience managing multi-account AWS environments and EKS clusters in production. I help teams automate their infrastructure with Terraform, build robust CI/CD pipelines, reduce cloud costs, and set up complete observability stacks (ELK, Prometheus, Grafana, PagerDuty). I also have a background in full-stack development and cybersecurity, allowing me to contribute beyond the traditional infrastructure role.

Languages

Spanish
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Proyecto personal
App Developer
January 2026 - February 2026 (1 month)
• • End-to-end development of a social deduction game using React, Vite, and Zustand.
• • Development of a backend with NestJS following Hexagonal Architecture principles.
• • Optimization of the entire development and deployment cycle using agentic AI (Claude Code) for rapid prototyping, advanced refactoring, and CI/CD automation.
Mobile application React.js Claude NestJs Firebase
Freelance
Freelance - Fullstack Developer
PHARMACEUTICALS INDUSTRY
July 2025 - November 2025 (4 months)
• • Development of a Fullstack data visualization platform using Python and Streamlit, implementing custom logic for PostgreSQL database management and third-party API integrations.
• • Optimization of development cycles using agentic AI tools (Claude Code) for code refactoring and rapid prototyping.
• • Development of API adapters in AL language to establish fluid data synchronization with Microsoft Dynamics 365 Business Central.
• • Management of end-to-end deployment in Linux-based environments, ensuring server security and application stability.
Streamlit Python PostgreSQL Microsoft Business Central Claude
Mirai Risk Tech
Cloud DevOps
BANKING AND INSURANCE
November 2021 - March 2024 (2 years and 4 months)
Madrid, Spain
• • Cloud Infrastructure: Responsible for administering multi-account AWS environments, managing high-traffic EKS clusters and Big Data pipelines (EMR, Step Functions).
• • Infrastructure as Code (IaC): Designed a modular and scalable architecture using Terraform and Terragrunt to manage multi-account AWS environments. Developed reusable modules and automated resource provisioning, reducing manual intervention.
• • Cost Optimization: Developed an internal Python orchestration tool for automatic EKS/RDS scheduling, significantly reducing monthly AWS spend.
• • Migrations and Evolution: Orchestrated critical migrations from GitLab CI to GitHub Actions and from Terraform to Terragrunt, improving deployment speed and Terraform state management.
• • DevSecOps and CI/CD: Designed and implemented robust CI/CD workflows using ArgoCD and Helm, applying GitFlow practices across hundreds of repositories.
• • Observability: Built a comprehensive monitoring and alerting ecosystem (ELK, Prometheus, Grafana, PagerDuty) to ensure 24/7 system reliability.
AWS Kubernetes Terraform Gitlab CI/CD Helm

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Software Engineering Degree
University of Sevilla
2016
Software Engineering Degree
Computer Science Degree
University of Cádiz
2019
Computer Science Degree

Check out Aaron's education

AWS Certified Developer Associate
AWS
2021
DCFIA (Deloitte Certified Forensic Investigator Associate)
Deloitte
2020

Aaron's certifications are only visible to Malt Community members

Aaron Arias Perez

Cloud DevOps

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