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

Wizeline; Cádiz; Híbrido; EUR 85.000 - 125.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Professional development

Flexible and collaborative culture

Total rewards

Descripción de la vacante

Wizeline, a global AI-native technology solutions provider, seeks a Senior Full Stack Software Engineer (TypeScript / React) to join our Spain team. This role requires strong English and Spanish, with client-office attendance 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. You will build scalable apps with TypeScript and React, integrate LLMs, and design agentic workflows while collaborating with

Formación

• 8+ years of software engineering experience with strong fundamentals.
• Bachelor's degree in Computer Science, Engineering, or related field.
• Advanced English and Spanish proficiency.
• Proven expertise with TypeScript and React in production environments.
• Hands-on experience implementing LLMs.

Responsabilidades

• Full stack development using TypeScript and React.
• Integrate and optimize LLMs within enterprise solutions.
• Design agentic workflows with memory and planning.
• Collaborate with product managers, engineers, and data teams.
• Adapt to fast-paced environments.

Conocimientos

TypeScript

React

LLMs integration

Agent architecture

English proficiency

Spanish proficiency

Software engineering fundamentals

Educación

Bachelor's degree in Computer Science or related field

Descripción del empleo

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.

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. xqysrnh

What we offer

• Commitment to Professional Development


• Flexible and Collaborative Culture


• Total Rewards (benefits vary by location and employment type)

Find out more about our culture here.

Senior Full Stack Software Engineer (TypeScript / React) – AI & LLMs Sela (Santa Maria ), Spain