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

Wizeline; Santa Cruz de Tenerife; Híbrido; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

Wizeline busca un Ingeniero Full Stack Senior (TypeScript/React) para trabajar en IA y LLMs desde España. Requiere dominio de inglés y español y disponibilidad para oficinas en Madrid u otros lugares; el trabajo remoto es posible, pero se espera presencia en España al menos 3 días a la semana.

Responsabilidades: desarrollo full stack, integración de LLMs y diseño de flujos de agentes; colaboración estrecha con PM, ingenieros y equipos de datos para entregar soluciones de alto impacto.

Formación

• 8+ años de experiencia en software engineering con fundamentos sólidos.
• Bachelor’s degree en CS, Ingeniería u campo relacionado.
• Inglés y español avanzados.
• Experiencia con TypeScript + React en entornos de producción.
• Experiencia práctica implementando LLMs en aplicaciones.
• Fuerte comprensión de la arquitectura de agentes y flujos multiagente.

Responsabilidades

• Desarrollar aplicaciones escalables con TypeScript y React.
• Integrar y optimizar LLMs en soluciones empresariales.
• Diseñar flujos agenticos, incluyendo memoria, planificación y herramientas.
• Colaborar con product managers, ingenieros y data teams para entregar soluciones.
• Adaptarse a entornos de rápido movimiento y cambios de prioridad.

Conocimientos

Software engineering fundamentals

Bachelor’s degree in CS

Advanced English

Advanced Spanish

TypeScript + React

LLMs integration

Agent architecture

Educación

Bachelor's degree in CS or related

Descripción del empleo

Senior Full Stack Software Engineer (TypeScript / React) – AI & LLMs Wizeline santa cruz de tenerife, canarias, es

Descripción del trabajo

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

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.