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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Co-Founding Cto - **Company:** Clera - **Location:** Illes Balears, Spain - **Salary:** €60,000.0 - €100,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Cloud Computing, CrossOver (Software), Raspberry Pi, Software Engineering, Software Systems, ReactJS, Kubernetes, Production Code, Docker - **Published:** September 19, 2026 - **Apply:** https://www.buscojobs.com.es/co-founding-cto-en-islas-baleares-ID-370435846 ## About the Role Your work will directly shape how properties detect anomalies, optimise energy usage, and manage connected systems - at scale.What You'll DoOwn and continuously evolve the technical architecture across IoT, cloud, and AI/ML layers.Lead and grow the engineering team, including hiring, mentoring, and setting engineering culture.Drive the product roadmap from a technical perspective, balancing long-term innovation with near-term execution.Write production code and solve critical technical problems hands-on alongside your team.Represent the technical vision to investors, partners, and external stakeholders.What We're Looking For10+ years of software engineering or technical leadership experience, with 3+ years in senior technical leadership roles.Proven 0-1 startup experience as a co-founder or early-stage CTO - not an exclusively large-company background.Strong IoT and embedded systems background with hands-on experience shipping real products.Cloud architecture expertise, preferably AWS, with a track record of designing and deploying scalable systems.Practical AI/ML product experience applied to production systems.Hardware and software crossover experience, with fluency across both embedded and software systems integration.Hands-on coding ability - you're comfortable jumping into the codebase, not purely managing.Familiarity with the smart home, building tech, or energy management domain is a plus.German or Spanish language proficiency is a plus.Comfortable working with a stack that includes React, Docker, Kubernetes, AWS, Raspberry Pi, ThingsBoard, and AI/ML tooling.Compensation & BenefitsSalary range: €60,000-€100,000 annually, discussed case by case.Co-founding equity up to 5% via an earn-in structure.Visa sponsorship is not available.LocationOn-site role primarily based in the Balearic Islands, Spain, with ties to Munich, Germany. Multiple Spanish and German city hubs considered. ## Description About the RoleThis is a co-founder-level CTO opportunity at an early-stage AI-powered smart home intelligence startup, where you'll own the full technical vision from architecture through team-building.Your work will directly shape how properties detect anomalies, optimise energy usage, and manage connected systems - at scale.What You'll DoOwn and continuously evolve the technical architecture across IoT, cloud, and AI/ML layers.Lead and grow the engineering team, including hiring, mentoring, and setting engineering culture.Drive the product roadmap from a technical perspective, balancing long-term innovation with near-term execution.Write production code and solve critical technical problems hands-on alongside your team.Represent the technical vision to investors, partners, and external stakeholders.What We're Looking For10+ years of software engineering or technical leadership experience, with 3+ years in senior technical leadership roles.Proven 0-1 startup experience as a co-founder or early-stage CTO - not an exclusively large-company background.Strong IoT and embedded systems background with hands-on experience shipping real products.Cloud architecture expertise, preferably AWS, with a track record of designing and deploying scalable systems.Practical AI/ML product experience applied to production systems.Hardware and software crossover experience, with fluency across both embedded and software systems integration.Hands-on coding ability - you're comfortable jumping into the codebase, not purely managing.Familiarity with the smart home, building tech, or energy management domain is a plus.German or Spanish language proficiency is a plus.Comfortable working with a stack that includes React, Docker, Kubernetes, AWS, Raspberry Pi, ThingsBoard, and AI/ML tooling.Compensation & BenefitsSalary range: €60,000-€100,000 annually, discussed case by case.Co-founding equity up to 5% via an earn-in structure.Visa sponsorship is not available.LocationOn-site role primarily based in the Balearic Islands, Spain, with ties to Munich, Germany.Multiple Spanish and German city hubs considered.#J-*****-Ljbffr ## Related Videos - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Coffee with Developers](https://www.wearedevelopers.com/videos/341-coffee-with-developers) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [Instant KAI Sandboxes with vCluster: Multi-Tenant, Multi-Scheduler GPU Sharing](https://www.wearedevelopers.com/videos/100333-instant-kai-sandboxes-with-vcluster-multi-tenant-multi-scheduler-gpu-sharing) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [5 Best Emerging Tech Cities in Europe](https://www.wearedevelopers.com/magazine/361-5-best-emerging-tech-cities-in-europe) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe)