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# Senior Full Stack Software Engineer (TypeScript / React) - AI & LLMs

- **Company:** Solicitante De Empleo
- **Location:** Valencia, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Application Integration Architecture, Data Structures, Software Design Patterns, Performance Tuning, Software Engineering, TypeScript, ReactJS, Large Language Models, Multi-Agent Systems, Information Technology
- **Published:** September 5, 2026
- **Apply:** https://www.recruit.net/job/full-stack-software-engineer-typescript-jobs/67CB09143DC50A32

## About the Role

* 8+ years of experience in software engineering with strong fundamentals (data structures, design patterns, scalability).
 * Bachelor's degree in Computer Science, Engineering, or related field.
 * Advanced English and Spanish proficiency.
 * Proven expertise with TypeScript + React in production environments.
 * Hands-on experience implementing LLMs and integrating them into applications.
 * Strong understanding of agent architecture and multi-agent workflows.

Nice-to-have

 * AI Tooling Proficiency : Ability to leverage AI tools for drafting, analysis, or automation.
 * Experience in project management within self-organizing teams.
 * Familiarity with evaluation frameworks and monitoring AI performance. xkdbapo

## Description

We are seeking a Senior Full Stack Software Engineer (TypeScript / React) - AI & LLMs to join our team in Spain. This role requires advanced proficiency in both English and Spanish, and availability to attend client offices in Madrid or other locations as needed. Remote work is possible, but candidates must be based in Spain and available at least 3 days per week., * Full Stack Development : Build scalable applications using TypeScript and React.

 * AI Integration : Implement and optimize Large Language Models (LLMs) within enterprise solutions.
 * Agent Architecture : Design agentic workflows, including memory, planning, and tool use.
 * Collaboration : Work closely with product managers, engineers, and data teams to deliver high-quality solutions.
 * Adaptability : Thrive in fast-paced environments and adjust to shifting priorities.


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