Avooq is an innovative AI startup that generates complete instant novels on demand. Our mission is to revolutionize literary creation with advanced AI technology, enabling users to obtain coherent and personalized stories in seconds. We believe in the power of AI to democratize storytelling and transform digital entertainment.

We are seeking a talented and passionate Full-Stack AI Engineer to lead the migration to scalable infrastructure and maintain our high-performance platform. If you have proven experience building and scaling web systems with real traffic, and you’re excited to shape the future of AI narrative in a dynamic startup environment, this is your opportunity.

Tareas

Lead infrastructure migration: Transition to custom cloud infrastructure (Vercel/AWS/Supabase) ensuring zero downtime and full functionality.

Build scalable web systems: Architect React/Next.js, Node.js applications handling 1000+ concurrent users with optimal performance

Integrate and optimize AI systems: Deploy production-grade LLM integrations (OpenAI/Groq)



with efficient token management and high concurrency.

Maintain and monitor: Implement monitoring, debugging, and optimization for long-term system reliability and cost efficiency

Requisitos

5+ years experience architecting full stack web systems (React/Next.js, Node.js, PostgreSQL)

Proven track record scaling web apps to production with real user traffic

Expertise deploying and optimizing AI/LLM systems in production environments

Mastery of cloud infrastructure (Vercel, AWS, Supabase), APIs (REST/GraphQL), Git workflows

Ability to deliver complex, production-ready systems in 1/3 the estimated time

Excellent problem-solving skills

Beneficios

Salary + meaningful equity ownership

Versátil work model — on-site preferred, remote considered

Collaborative environment with massive growth potential

Direct impact on fast-growing AI startup with real traction

📌 Full-Stack AI Engineer (Madrid)
🏢 Avooq
📍 Madrid