Jon Castander
@joncastander
I build resilient cloud infrastructure, automate delivery, and reduce platform costs at scale.
SpainWhat I'm looking for
I've led DevOps at Swap Energia, migrating 20+ services from AWS to Azure and managing Kubernetes clusters, virtual machines, and 20+ GitLab CI/CD pipelines. I also replaced 40+ GitHub Enterprise licenses with self-hosted GitLab, saving roughly $10,000 annually.
I build infrastructure that is repeatable, observable, and resilient. At Swap Energia, I provisioned a 70+ VM fleet with Ansible, codified GitLab and HashiCorp Vault with Terraform, migrated Kafka to AKS with Strimzi, and built Prometheus, Promtail, and Grafana observability across 50+ services.
Previously, I integrated e-commerce into Terraform-managed GCP infrastructure, reduced MySQL storage from 3TB to about 300GB through a MongoDB migration, and rewrote legacy PHP services in Go to cut product configuration deployment time by 98%. My background also includes full-stack development, backend APIs, Salesforce automation, and on-premises infrastructure.
Experience
Work history, roles, and key accomplishments
Head of DevOps
Swap Energia
Aug 2025 - Present (1 year)
Migrated 20+ services from AWS to Azure, deployed and managed Kubernetes clusters and VMs, and provisioned a 70+ VM fleet with Ansible. Implemented observability with Prometheus and Grafana, and designed a multi-cloud disaster recovery strategy.
Education
Degrees, certifications, and relevant coursework
Universitat Oberta de Catalunya
Bachelor's Degree, Computer Engineering
2026 -
Pursuing a degree in Computer Engineering.
Tech stack
Software and tools used professionally
Availability
Location
SpainAuthorized to work in
Job categories
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