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

Wizeline; Vitoria; Híbrido; EUR 70.000 - 100.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Ambiente de alto impacto

Desarrollo profesional

Cultura flexible y colaborativa

Oportunidades globales

Comunidad vibrante

Total Rewards

Descripción de la vacante

Wizeline, una empresa global de soluciones tecnológicas con foco en IA, busca un Ingeniero Senior Full Stack (TypeScript/React) para trabajar en España. Se requiere dominio de inglés y español y posibilidad de trabajo remoto, con presencia en Madrid u otras oficinas cuando sea necesario.

Debes estar basado en España y disponible al menos 3 días a la semana. Las responsabilidades incluyen desarrollar software, integrar LLMs y diseñar arquitecturas de agentes, colaborando estrechamente con PMs,

Formación

• 8+ años de experiencia en ingeniería de software con fundamentos sólidos.
• Licenciatura en Ciencias de la Computación, Ingeniería o campo relacionado.
• Proficiencia avanzada en inglés y español.
• Experiencia comprobada con TypeScript y React en entornos de producción.
• Experiencia práctica en implementar LLMs e integrarlos en aplicaciones.
• Familiaridad con arquitectura de agentes y flujos multiagente.

Responsabilidades

• Desarrollar aplicaciones escalables con TypeScript y React.
• Integrar y optimizar LLMs en soluciones empresariales.
• Diseñar arquitecturas de agentes con memoria y planificación.
• Colaborar con PMs, ingenieros y data teams para entregar soluciones.
• Adaptarse a entornos dinámicos y cambiar prioridades.

Conocimientos

TypeScript + React

LLMs

Agent architecture

English & Spanish

Software engineering

Collaboration

Educación

Bachelor's degree in Computer Science or related field

Descripción del empleo

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.