Opportunity – Senior Front End Software Developer (AI & RAG)
About the role
We are looking for a Senior Front End Software Developer to join a cutting-edge team focused on scaling AI assets and building innovative AI-driven products. You will work at the intersection of LLMs, agentic architectures, RAG systems, and modern application development, contributing to the next generation of intelligent interfaces and document-understanding solutions.
In this role, you will collaborate with cross-functional teams, shape new AI-powered applications, and help bring state-of-the-art machine intelligence into real-world products used across the organization.
This position can be fully remote from anywhere in Spain, with monthly workshops in Madrid or Barcelona .
What will you do?
Build intuitive, responsive, and modern interfaces using React .
Collaborate with backend, AI, and product teams to deliver end-to-end AI-powered applications.
Work hands-on with LLMs, RAG architectures, LangChain, and emerging AI technologies.
Contribute to the design of scalable and maintainable frontend solutions.
Integrate AI agents, embeddings, vector databases, and retrieval architectures into real applications.
Participate in Agile ceremonies and work closely with stakeholders to present, explain, and iterate on solutions.
Support experimentation, prototyping, and optimization of AI models and workflows.
Mandatory Requirements
Strong experience with React.Js (Senior level).
Solid background in full stack development (React + Node.Js).
Hands-on experience with Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) .
Knowledge of Python (for AI integrations).
Experience with Docker and modern cloud environments (AWS and/or Azure).
Ability to design scalable, reliable, maintainable software architectures.
Strong communication skills, autonomy, and problem-solving mindset.
English: mandatory .
✨ Nice to have
Practical experience with LangChain (highly preferred).
Familiarity with AI model deployment, inference optimization, and agentic workflows.
Experience integrating vector databases or embeddings-based search.
Previous work in Agile or cross-functional product teams.
Why join this project?