AI Jobs in Spain

Find top AI jobs in Spain across machine learning, generative AI, and data roles. All opportunities are curated and updated hourly from companies hiring nationwide.

Check out 61 new AI opportunities posted on AI Chopping Block

Research Intern, Inference (Fall 2026)

New
Top rated
Together AI
Full-time
Posted

As an AI Infrastructure Engineer at Together, the responsibilities include participating in on-call rotation to respond to production incidents, building and running infrastructure using Ansible, Terraform, and Kubernetes to support scaling to a large number of concurrent users, building monitoring systems to ensure high-quality service, designing and implementing operational processes such as deployments and upgrades, debugging production issues across all services and stack levels, identifying improvements for product architecture in terms of reliability, performance, and availability, and planning the growth of Together AI's infrastructure.

$190,000 – $270,000
Undisclosed
YEAR

(USD)

Maybe global

Member of Technical Staff (Machine Learning Engineer)

New
Top rated
Reka
Full-time
Full-time
Posted

Translate cutting-edge research into production-ready machine learning systems. Design, build, and deploy end-to-end ML models and pipelines. Develop and optimize models for image and video processing. Own the full ML lifecycle including experimentation, training/fine-tuning, evaluation, and deployment. Rapidly prototype using open-source models and adapt them for product needs. Conduct experiments, analyze results, and iterate to improve performance. Collaborate with researchers and cross-functional teams (product, engineering, design) to deliver ML solutions at scale. Participate with advancements in machine learning and apply them to continuously improve products.

Undisclosed

()

Maybe global
Remote

AI Deployment Engineer

New
Top rated
OpenAI
Full-time
Full-time
Posted

Serve as the primary technical subject matter expert post-sale for a portfolio of customers, embedding deeply with them to design and deploy GenAI solutions. Engage with senior business and technical stakeholders to identify, prioritize, and validate the highest-value GenAI applications in their roadmap. Accelerate customer time to value by providing architectural guidance, building hands-on prototypes, and advising on best practices for scaling solutions in production. Maintain strong relationships with leadership and technical teams to drive adoption, expansion, and successful outcomes. Contribute to open-source resources and enterprise-facing technical documentation to scale best practices across customers. Share learnings and collaborate with internal teams to inform product development and improve customer outcomes. Codify knowledge and operationalize technical success practices to help the Solutions Architecture team scale impact across industries and customer types.

Undisclosed

()

Madrid, Spain
Maybe global
Remote

Warehouse Supervisor (Temporary)

New
Top rated
X AI
Full-time
Full-time
Posted

Utilize proprietary software to provide accurate input and labels for healthcare and administration projects, ensuring high-quality data for AI model training. Deliver curated, high-quality data for scenarios involving patient care coordination, medical billing, administrative workflows, and healthcare operations. Collaborate with technical staff to support the training of new AI tasks and contribute to the development of innovative technologies. Assist in designing and improving efficient annotation tools tailored for healthcare and administration data. Select and analyze complex problems in healthcare and administration fields aligned with your expertise to enhance AI model performance. Interpret, analyze, and execute tasks based on evolving instructions, maintaining precision and adaptability.

$45 – $100 / hour
Undisclosed
HOUR

(USD)

Maybe global
Remote

Senior Software Engineer, AI

New
Top rated
Aircall
Full-time
Full-time
Posted

As a Senior Backend & AI Engineer, the responsibilities include designing, developing, deploying, and operating business-critical AI features. The role involves collaborating on requirements analysis to design technical and business solutions, proposing innovative solutions by staying ahead of AI trends and technologies, owning key responsibilities in the design, architecture, and end-to-end delivery of AI-driven modules, and writing clean, scalable, and maintainable code with proper testing, deployment, and monitoring. Additional duties include continuously improving code quality by refactoring, debugging, and enhancing performance, contributing to building secure, high-quality AI solutions for customer experience, optimizing product and platform performance with live site monitoring, and participating in an on-call rotation to handle critical incidents and maintain system uptime.

Undisclosed

()

Madrid, Spain
Maybe global
Onsite

Legal Advisor (US Bar Admitted) - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may generate prompts that challenge AI; evaluate AI-generated solutions for correctness, assumptions, and logic; improve AI reasoning to align with first principles and accepted standards; and apply structured scoring criteria to assess multi-step problem solving.

$35 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Optical Engineer - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design original optics problems that simulate real physics research workflows, ensuring problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks). They develop problems requiring non-trivial reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics, basing problems on real research challenges or practical applications from optics and physics practice. Contributors also document problem statements clearly and provide verified correct answers.

$29 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

US Corporate Attorney - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may generate prompts that challenge AI, evaluate AI-generated solutions for correctness, assumptions, and logic; improve AI reasoning to align with first principles and accepted standards; and apply structured scoring criteria to assess multi-step problem solving.

$35 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Software Engineer (Brazil)

New
Top rated
Articul8
Full-time
Posted

Design, develop, test, deploy, maintain, and improve scalable, secure, and high-performance backend systems with a focus on high availability, low latency, and cost-effectiveness. Act as the subject matter expert in infrastructure when designing new products and introducing new technology to existing products. Collaborate closely with engineering and research teams to integrate infrastructure components with product features to optimize system performance and user experience. Design event-driven architectures and develop APIs and microservices for real-time processing and analytics. Ensure system reliability, performance, and scalability through monitoring, logging, and error handling. Stay current with emerging trends, technologies, and methodologies to enhance infrastructure capabilities. Participate in code reviews, contribute to open-source projects, and mentor junior engineers.

Undisclosed

()

Maybe global

Freelance n8n Workflow Developer - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Design, build, and evaluate advanced workflows in self-hosted n8n environments. Architect multi-system integrations for scalable automation pipelines. Develop and optimize AI-powered workflows such as content generation, automation pipelines, and enrichment systems. Build and maintain lead generation, outreach, and data processing automation systems. Implement web scraping workflows and ensure reliable data extraction and processing. Optimize workflow execution, node sequencing, and error handling to prevent failures, delays, and API timeouts.

$50 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

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Frequently Asked Questions

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[{"question":"What types of AI jobs are available in Spain?","answer":"Spain's AI job market features diverse technical and leadership roles. Machine Learning Engineers build AI models and algorithms for various applications. AI Back End Engineers specialize in LLMs, designing infrastructure to support language models. Data Scientists lead analytics and predictive modeling initiatives. AI Platform Engineers develop and maintain AI infrastructure. Project Managers oversee AI implementation across teams. Other common positions include Senior Machine Learning Scientists and Chief Data Science Officers. These roles span industries from finance to healthcare, with companies like NEORIS actively hiring AI talent in Spain. The market particularly values professionals who can bridge technical expertise with business applications."},{"question":"Are there remote AI jobs available in Spain?","answer":"Yes, remote AI jobs are widely available in Spain's evolving tech market. Many positions on specialized job boards are specifically tagged as remote, allowing professionals to work from anywhere in Spain or sometimes globally. Companies recognize that AI talent is in high demand and offer flexible arrangements to attract qualified candidates. While some roles—particularly senior leadership positions—may require occasional office presence in Madrid, Barcelona, or Valencia, fully remote arrangements have become standard for many AI engineering and data science positions. Organizations typically specify remote status directly in job listings, making it easy for candidates to filter for remote opportunities when searching for AI roles in Spain."},{"question":"What skills are most in demand for AI jobs in Spain?","answer":"In Spain's AI job market, machine learning expertise ranks as the most crucial skill, particularly deep learning frameworks like TensorFlow and PyTorch. Python programming proficiency is essentially mandatory across all AI positions. LLM specialization has surged in demand, with companies seeking professionals who understand prompt engineering and fine-tuning large language models. Data DevOps skills blend traditional development with AI deployment expertise. Spanish employers increasingly value domain-specific AI application knowledge in sectors like healthcare and finance. Beyond technical capabilities, communication skills are essential as AI professionals must explain complex concepts to non-technical stakeholders. Companies also prioritize candidates with practical experience implementing AI solutions rather than just theoretical knowledge."},{"question":"What is the salary range for AI jobs in Spain?","answer":"AI salaries in Spain vary widely based on several key factors. Experience level significantly impacts compensation, with senior and lead roles commanding substantial premiums. Location affects pay scales—Madrid and Barcelona typically offer higher salaries than smaller cities. Specific AI specializations like LLM engineering or reinforcement learning often warrant higher compensation than general data science roles. Company size and type also influence salaries, with multinational tech firms generally paying more than local startups. While exact figures fluctuate, specialized job boards typically categorize AI positions in Spain into broad salary bands ranging from €10,000–€100,000 or €100,000+. AI professionals consistently earn above-average compensation compared to other technical roles across all career stages."},{"question":"What experience levels are companies hiring for in AI jobs in Spain?","answer":"Spain's AI job market shows a strong preference for experienced professionals, with numerous postings for senior and lead positions. Roles like Senior Machine Learning Scientist and Head of Data Science dominate job boards. Mid-level positions for professionals with 3-5 years of experience appear regularly, particularly for Machine Learning Engineers and Data Scientists with practical implementation experience. Entry-level opportunities exist but are less common, typically requiring strong academic backgrounds in computer science, mathematics, or related fields. Some companies offer AI graduate programs or junior positions to develop talent internally. The emphasis on senior talent reflects the complex nature of AI work and the need for experienced professionals who can deliver production-ready AI systems."},{"question":"How often are new AI jobs posted in Spain?","answer":"New AI positions appear consistently on specialized job boards in Spain, with platforms like AIJobs.ai showing 10+ recent roles posted within the past two months. The frequency varies by season, with noticeable increases after budget approvals in Q1 and slower periods during summer holidays. Major cities like Madrid and Barcelona see more frequent postings than smaller regions. Specialized AI job boards typically feature several fresh opportunities weekly, while general employment sites may add new AI positions daily but with less curation. Machine learning engineering and data science roles appear most frequently, while specialized positions like LLM engineers or AI ethics specialists emerge less often. This steady flow of new listings indicates robust ongoing demand for AI talent in Spain."},{"question":"What is the difference between The Homebase and other job boards?","answer":"Unlike general job sites, The Homebase exclusively curates AI, machine learning, and data science positions, eliminating the need to filter through unrelated listings. Their AI-specific curation team evaluates each posting for authenticity and relevance, focusing on quality over quantity. The platform includes salary transparency tags and specialized filters for remote work and experience levels that general boards typically lack. Job descriptions provide deeper technical details about AI tools and frameworks used at each company. The Homebase emphasizes roles from genuine AI companies and departments rather than positions merely mentioning AI as a buzzword. For candidates seeking AI positions in Spain, this specialized approach offers a more efficient job search experience with higher-quality, relevant opportunities."}]