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

Solicitante De Empleo

Valencia, Spain

1 day ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience required

8 years minimum

Working hours

Regular working hours

Languages

English, Spanish

Job source

www.recruit.net

Tech stack

Artificial Intelligence Application Integration Architecture Data Structures Software Design Patterns Performance Tuning Software Engineering TypeScript ReactJS Large Language Models Multi-Agent Systems Information Technology

Job description

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., * 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.

Requirements

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. xkdbapo

Benefits & conditions

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)

About the company

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.