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

Wizeline; Badajoz; Híbrido; EUR 65.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Crecimiento profesional

Cultura flexible y colaborativa

Oportunidades globales

Descripción de la vacante

Wizeline busca un Ingeniero Senior Full Stack (TypeScript/React) para trabajar en España en proyectos de IA y LLMs.

Se requiere dominio de inglés y español, y disponibilidad para oficinas en Madrid u otros lugares; el trabajo es híbrido con presencia requerida al menos 3 días a la semana.

Formación

• 8+ años de experiencia en ingeniería de software y fundamentos sólidos.
• Licenciatura en Informática, Ingeniería o campo relacionado.
• Dominio avanzado de inglés y español.
• Experiencia demostrada con TypeScript y React en entornos de producción.
• Experiencia implementando LLMs e integrándolos en apps.
• Conocimiento de arquitectura de agentes y flujos multiagente.

Responsabilidades

• Desarrollar aplicaciones escalables con TypeScript y React.
• Integrar LLMs en soluciones empresariales.
• Diseñar arquitecturas de agentes, memoria y planificación.
• Colaborar con PMs, ingenieros y equipos de datos.

Conocimientos

TypeScript

React

LLMs

Agent architecture

Software engineering

Inglés & Español

Educación

Bachelor en Informática o Ingeniería

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.