Co-Founding Cto

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

10+ 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.