Full-time

Fullstack Engineer - JavaScript/AWS

Posted by JAKALA • Vitoria-Gasteiz, Basque Country, Spain

📍 Vitoria-Gasteiz, Basque Country 🕒 March 01, 2026

About the Role

JAKALA is looking for a versatile Full Stack Developer to join our innovation hub. We need a hybrid profile: a developer who masters the modern web stack but also speaks the language of LLMs and cloud architecture.

Design, develop, and maintain robust web applications using React.js for the frontend and Node.js for the backend.Build and optimize Python-based services to integrate Generative AI models (LLMs, RAG systems, and Agentic workflows).Cloud Operations: Deploy and manage applications across Google Cloud Platform (GCP) and AWS , ensuring high availability and performance.Frontend: Expertise in React.js (Hooks, State Management, Styled Components).Backend: Strong proficiency in Node.js (Express) and Python (FastAPI).Solid understanding of Generative AI concepts (OpenAI API, LangChain, Vector Databases...).Proven experience with Microservices and RESTful/GraphQL APIs.Cloud: Professional experience with GCP and AWS services (Lambda/Functions, Kubernetes, S3/GCS).Database: ...

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