DevOps Engineer

About the companyFrom the founder 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. We are a small, ambitious group dedicated to building real solutions with grit, heart, and a culture of authenticity.About the roleYou’ll lead the design and management of scalable, resilient cloud infrastructure using AWS, Kubernetes, Terraform, and observability tools like Prometheus and Grafana. You’ll work cross-functionally to ensure our platform is secure, performant, and ready to support heavy AI workloads. What you’ll do

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 toolsWhat we’re looking for


4+ years of cloud infrastructure or DevOps experience, AWS preferred


Strong Kubernetes and Terraform skills


Experience with monitoring stacks (Prometheus, Grafana, Kibana, Splunk)


Familiarity with CI/CD and GitOps (ArgoCD, Flux)


Comfortable with SQL and NoSQL database maintenance


Bonus: experience with MLOps, DevSecOps, or FinOps


Language: B2+ level in either English or Spanish (fluency in either is acceptable)


Flexible, problem-solving mindset ready to thrive in a startup environmentAvailability to work in hybrid modeWhy Cala AI?Work alongside a founder with a proven track record in AI startupsJoin a company dedicated to building AI for good — focused on trust and impactCompetitive compensation package plus stock optionsBased in Cloudworks, a dynamic co-working space near Passeig de Gràcia in Barcelona; enjoy the perks that come from being part of Cloudworks, like gym subscription and restaurant discountsA supportive, inclusive, and horizontal culture that values authenticity and growthHiring process - Conversation-based (no coding tests)Initial chat with CTO focused on your experience and projectsSystem design interview (onsite preferred)Cultural fit interview with CEOOfferWe welcome applicants from diverse backgrounds who bring passion, curiosity, and resilience. If this sounds like you, get in touch — we’re excited to see what we can build together.