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

Wizeline; Madrid; Híbrido; EUR 80.000 - 110.000; Jornada completa

Descripción de la vacante

Wizeline, a global AI-native technology solutions provider, seeks a Senior Full Stack Software Engineer (TypeScript/React) to join its Madrid-based team. The role focuses on AI & LLM integration, agent architecture, and high-quality software delivery in enterprise environments.

The successful candidate will master both English and Spanish, work across product, engineering, and data teams, and may attend client offices in Madrid or elsewhere in Spain.

Formación

• 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.

Responsabilidades

• 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.

Conocimientos

TypeScript

React

LLMs

English

Spanish

Software fundamentals

Agent architecture

Educación

Bachelor's degree in CS/Engineering

Descripción del empleo

Wizeline, a global AI-native technology solutions provider, seeks a Senior Full Stack Software Engineer (TypeScript/React) to join its Madrid-based team. The role focuses on AI & LLM integration, agent architecture, and high-quality software delivery in enterprise environments.

The successful candidate will master both English and Spanish, work across product, engineering, and data teams, and may attend client offices in Madrid or elsewhere in Spain.