About this role
Senior Full-Stack Engineer - Stealth Company - Founding Engineer - Vertical AI at Antai Ventures. Location: Barcelona, Catalonia, Spain. Role: building systems, designing APIs, shipping features Requirements: Senior full-stack engineer with strong TypeScript and SQL skills, experience with modern web frameworks, cloud infrastructure (GCP/AWS), production systems, AI coding agents, and English proficiency. Startup/0→1 experience preferred. Category: Software Development Seniority: Senior Level Tools: TypeScript, SQL, Vue, Nuxt 4, Nuxt UI, PostgreSQL, ZenStack, Prisma, ElectricSQL, TanStack DB, Capacitor, GCP, AWS, CI/CD, Linear, Claude Code, Cursor Commitment: Full Time Workplace: Hybrid Languages: English