About this role
Senior Full Stack AI Native Developer at Leadtech. Location: Spain. Role: design APIs, build UI, integrate services Requirements: Senior full-stack developer with JS/TS, REST APIs, AI integrations, LangGraph/LangFuse, NextJS/Express, PostgreSQL, React frontend, Node.js backend, and GCP familiarity. Category: Software Development Seniority: Senior Level Tools: JavaScript, TypeScript, NextJS, Express, React, Node.js, LangGraph, LangFuse, Claude SDK, Vite, PostgreSQL, BigQuery, Google Cloud Platform (GCP) Commitment: Full Time Workplace: Remote Languages: English