Senior Front-End Software Engineer

Project context

Project Details

Client: AXA GO Barcelona

Location: Spain

Work mode: Hybrid within Spain, with mandatory monthly 1-2 day workshops in Barcelona or Madrid

Start date: ASAP

Duration: Until end of 2026 (possibility of extension)

Languages: English mandatory; Spanish and French are a plus

Summary

AXA GO Barcelona is developing a long-term strategic program focused on scaling AI capabilities and delivering advanced Retrieval-Augmented Generation (RAG) and Document Understanding solutions. You will join a senior engineering environment building user-facing applications that leverage cutting-edge LLMs, agentic architectures, and cloud platforms. This position is central to creating new AI-driven internal products used across the organization.

Goals and deliverables

Main Responsibilities & Key Activities

Build intuitive, responsive, and high-quality frontend interfaces using React and modern JavaScript.

Work closely with AI engineers, backend developers, and product stakeholders to design and implement AI-powered applications.

Integrate LLMs, RAG components, and agentic workflows into production-grade solutions.

Contribute to architectural decisions ensuring scalability, reliability, and maintainability.

Participate in Agile/Scrum ceremonies and present deliverables during demos.

Support document understanding initiatives and contribute to continuous technical improvement.

Experience Required

Minimum 7 years of professional experience in front-end or full-stack development.

Proven expertise developing production applications with React.

Experience working with LLMs, RAG pipelines, or advanced AI/ML-driven products.

Strong understanding of cloud environments (AWS and/or Azure).

Hands-on experience with Node.js, Docker, and modern API architectures.

Python or Java experience is a strong plus, especially for AI integration work.

Previous work in Agile delivery environments.

Education

University degree in Computer Science, Software Engineering, or a related field.