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Location: Hybrid in Barcelona (office located near Passeig de Gràcia, in the Cloudworks coworking space)
Perks: Gym and restaurant discounts via Cloudworks, flexible working hours, inclusive culture, direct impact, and founder with a proven AI track record.
Summary: At JobFluent we are supporting innovative companies like Cala AI in their search for top tech talent. Cala AI is an AI startup founded by the creator of Vilynx — a Barcelona-based company acquired by Apple — and is on a mission to redefine how information is verified and represented at scale. 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. Based in the heart of Barcelona’s tech ecosystem, they combine a culture of authenticity, grit, and collaboration to build technology that matters.
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. 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.
Responsibilities- 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
Qualifications
- 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 environment
- Availability to work in hybrid mode
Benefits
- Work alongside a founder with a proven track record in AI startups
- Join a company dedicated to building AI for good — focused on trust and impact
- Based 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 discounts
- A supportive, inclusive, and horizontal culture that values authenticity and growth
Hiring process – Conversation-based (no coding tests)
- Initial chat with CTO focused on your experience and projects
- Cultural fit interview with CEO
- Offer
They welcome applicants from diverse backgrounds who bring passion, curiosity, and resilience. xqbhyrx If this sounds like you, get in touch — they’re excited to see what you can build together.
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