Cala AI – Cloud Infrastructure Engineer (4+ years of experience)
Location: Hybrid in Barcelona (office located near Passeig de Gràcia, in the Cloudworks coworking space)
Perks: Gym and restaurant discounts via Cloudworks, versátil working hours, inclusive culture, direct impact, and founder with a proven AI track record.
Recently recognized by Creandum’s #EuroSeed50 list as one of Europe’s most promising early-stage startups, Cala AI is building trustworthy and high-impact AI systems that challenge industry norms. About the company: From the founders of Vilynx — a Barcelona AI startup acquired by Apple — comes Cala AI : a bold new venture redefining how information is verified and represented at massive scale. Based in Barcelona’s vibrant tech hub near Passeig de Gràcia, Cala AI is building innovative AI systems focused on trust, accuracy, and impactful technology that challenges industry norms. Recently,
Cala AI was named by Creandum to their #EuroSeed50 list — highlighting the most promising early-stage startups in Europe — an honor that reflects the strong belief in our mission and team. You’ll lead the design and management of scalable, resilient cloud infrastructure using AWS, Kubernetes, Terraform, and observability tools like Prometheus and Grafana. Build and maintain cloud infrastructure optimized for AI workloads
Manage Kubernetes clusters, deployments, and CI/CD pipelines
Implement monitoring and observability systems for reliability
Enforce security and best practices across multi-account AWS environments
Collaborate closely with data and ML teams to align infrastructure needs
Drive automation and infrastructure-as-code using Terraform and GitOps tools
4+ years of cloud infrastructure or DevOps experience, AWS preferred
~ Strong Kubernetes and Terraform skills
~ Experience with monitoring stacks (Prometheus, Grafana, Kibana, Splunk)
~ Comfortable with SQL and NoSQL database maintenance
~ Language: B2+ level in either English or Spanish (fluency in either