founding engineer

Rol para un Ingeniero de IA Senior experimentado en la construcción y operación de flujos con LLMs en producción. Deberás crear flujos de IA útiles, auditables, seguros y mantenibles, integrando herramientas y mecanismos de aprobación humana. Se valora experiencia en Python, manejo de errores y flujos stateful.

Factorial HR is building the leading AI Business Management Software for teams across HR, Finance, Talent, and IT. As the Senior AI Enablement Engineer, you will turn scattered AI experiments into shared building blocks—templates, agents, integrations, and safe defaults—so any team can ship in days instead of weeks. You will start as a team of one,...

Eleva AI is the AI agent operating system for physical venues: shopping centers, outlets, retail parks, airports, stadiums and leisure destinations. 85% of consumer spending still happens offline, yet these places have no intelligent digital layer to talk to their visitors, sell to them and learn from them. We're building it. Our AI agents talk to visitors...

Seeking a Senior Full Stack Engineer with backend focus for a fast-paced environment, requiring experience with AI development tools and comfortable managing infrastructure. Offers hybrid work in Barcelona.

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Founding Engineer based in Spain.As a Founding Engineer, you will play a pivotal role in building and scaling an early-stage AI infrastructure product designed to transform how service businesses operate. Working directly with the...

Eleva AI is the AI agent operating system for physical venues: shopping centers, outlets, retail parks, airports, stadiums and leisure destinations. 85% of consumer spending still happens offline, yet these places have no intelligent digital layer to talk to their visitors, sell to them and learn from them. We're building it. Our AI agents talk to visitors...

Senior Full Stack Engineer - Node, React, TypeScriptRemote / Versátil hybrid working in Barcelona. This role is primarily remote with occasional office time in Barcelona.Salary: up to €100k plus equity.We are looking for an established Senior Full Stack Engineer (Backend Leaning) who thrives on ownership and enjoys working in a very fast paced...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Founding Engineer based in Spain.As a Founding Engineer, you will play a pivotal role in building and scaling an early-stage AI infrastructure product designed to transform how service businesses operate. Working directly with...

Joppy is seeking a hands-on technical leader to architect an enterprise AI interviewing platform in Barcelona. The role requires 3+ years of experience in technical leadership, focusing on client-specific needs while ensuring speed and compliance.The ideal candidate will have advanced expertise with AI agents and a strong understanding of production systems....

Manychat is building a Python-based Billing layer to carry payments, invoicing, anti-fraud, and compliance logic at scale. You'll be the first engineer, define patterns, and set standards while mentoring two new engineers. The role sits within a fast-moving, high-load backend team collaborating with Platform and Product. Expect ownership of API contracts,...

About HappyRobot HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate — they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base10 with over $60M raised, we power critical...

Tuyo in Madrid (Spain) or Miami, FL seeks a founding-level React Native engineer to own the app end-to-end, from UI to App Store releases, and optimize performance across mobile and backend layers. You will work directly with the founders to set engineering culture, architecture standards, and rapidly ship features with high-quality UX. 5+ years in React...

Eleva AI in Barcelona seeks a Founding Full Stack AI Product Engineer to design and ship end-to-end AI-powered experiences for venues. You'll own database, agent orchestration, APIs, integrations, admin console and deployment, delivering production-grade features used by live visitors. You'll work AI-native every day, build with Python, FastAPI, PostgreSQL,...

Colliers in Madrid seeks an experienced Senior DevOps Platform Engineer to join our Technology Hub. You will help shape the platform, tooling and practices in a hybrid work model, blending remote and onsite collaboration with global teams. You'll own Kubernetes platforms, CI/CD pipelines and IaC initiatives while advancing security, observability and...

Mondelēz Digital Services is seeking a Full Stack AI Engineer to join a growing engineering team building a new AI-powered insights platform. You will design and deliver end-to-end data pipelines, AI/ML models, and full stack applications surfacing AI-driven insights for stakeholders globally. You will collaborate with Product, Data Science, and Business...

Eleva AI in Barcelona seeks a Founding Full Stack AI Product Engineer to design and ship end-to-end AI-powered experiences for venues. You’ll own database, agent orchestration, APIs, integrations, admin console and deployment, delivering production-grade features used by live visitors.You’ll work AI-native every day, build with Python, FastAPI,...

About HappyRobot HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate — they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base10 with over $60M raised, we power critical...

Outrigo is seeking a hands-on Robotics Engineer to automate post-processing in additive manufacturing. You will choose hardware, define the stack and lead robotic cells from bench to production, focusing on repeatability, safety and integration into Morph production workflows.You will program and integrate robot arms (UR/ABB/KUKA/FANUC) and develop...

Eleva AI is the AI agent operating system for physical venues: shopping centers, outlets, retail parks, airports, stadiums and leisure destinations.85% of consumer spending still happens offline, yet these places have no intelligent digital layer to talk to their visitors, sell to them and learn from them. We're building it. Our AI agents talk to visitors on...

Spectrum collects data from an organization’s code, docs, and issues, and organizes knowledge in a unified ontology that AI agents can efficiently search through and reason over. We aim to revolutionize the semantic layer space for software-building organizations and move beyond specs that fall out of sync with code, introducing a living spec – one...