Fintonic is a personal finance management platform operating across Spain and Latin America. As part of the DevOps/SRE team, I contributed to modernizing the infrastructure — evolving from a Chef-managed IaaS model on AWS toward a more reliable, maintainable, highly available, and scalable platform based on Kubernetes, while keeping production running throughout the transition.

My Role & Responsibilities

• Contributed to migrating the platform from an IaaS model (AWS + Chef) to a Kubernetes-based PaaS architecture — including maintaining and improving the existing infrastructure during the transition
• Helped implement a CI/CD system using GitLab, GitLab CI, and Docker, improving deployment automation across engineering teams
• Managed infrastructure as code using Terraform, Ansible, and Packer — versioned in Git
• Set up monitoring, observability, and alerting across the platform using Datadog, Sentry, and the ELK stack (Elasticsearch, Logstash, Kibana)
• Administered and maintained production databases: MongoDB, MySQL, and RDS on AWS
• Administered and maintained RabbitMQ message brokers for event-driven microservice communication

Tech Stack

AWS (EC2, ECR, RDS, Route 53, IAM, VPC, CloudFront, CloudWatch, Certificate Manager, Elasticsearch Service) · Kubernetes · Docker · Chef · Terraform · Ansible · Packer · GitLab · GitLab CI · Jenkins · SonarQube · Artifactory · Nexus · Datadog · Kibana · Elasticsearch · Logstash · Sentry · MongoDB · MySQL · RabbitMQ · Apache · Nginx · Tomcat · CentOS · Ubuntu · Jira · Confluence

Key Outcomes

Participated in a full platform evolution from IaaS to Kubernetes over three years, contributing to improved deployment frequency, environment consistency, and operational visibility across the stack.