Senior Full Stack Software Engineer (Typescript / React) – Ai & Llms

Wizeline; Meis; Híbrido; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

Wizeline busca un/a Senior Full Stack Software Engineer (TypeScript/React) para trabajar en proyectos de AI y LLMs en España. Requiere dominio avanzado de inglés y español y disponibilidad para oficinas en Madrid u otros lugares según necesidad.

El remoto es posible, pero debe estar en España y disponible al menos 3 días a la semana. Se valorará experiencia en arquitecturas de agentes, integración de LLMs y trabajo en equipos multidisciplinares.

Formación

• 8+ años de experiencia en ingeniería de software.
• Licenciatura en Informática, Ingeniería o afín.
• Alta competencia en inglés y español.
• Experiencia demostrada con TypeScript y React en producción.
• Experiencia práctica en implementación de LLMs.

Responsabilidades

• Desarrollar soluciones full stack escalables con TypeScript y React.
• Integrar modelos de lenguaje y soluciones AI en productos empresariales.
• Diseñar flujos de trabajo agentic, memoria y planificación.
• Colaborar con PM, ingenieros y data teams para entregar soluciones de alto valor.
• Adaptarse a entornos dinámicos y prioridades cambiantes.

Conocimientos

8+ años experiencia

English & Spanish

LLM integration

Agente multi-agente

Educación

Diplomado/Grado en Informática o campo relacionado

Herramientas

TypeScript

React

Descripción del empleo

Descripción del trabajo

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

La experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.

We are: Wizeline, a global AI-native technology solutions provider, develops cutting‑edge, AI‑powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there's no limit to what we can achieve.

Are you a fit?

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.

Key Responsibilities

• 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.

Must-have Skills

• 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.

What we offer

• A High-Impact Environment
• Commitment to Professional Development
• Flexible and Collaborative Culture
• Global Opportunities
• Vibrant Community
• Total Rewards (benefits vary by location and employment type)

Find out more about our culture here.