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

AI Product Manager, Madrid

New
Top rated
Air Apps
Full-time
Full-time
Posted

Define and drive the AI product roadmap, ensuring alignment with business objectives and user needs. Collaborate with cross-functional teams, including engineering, design, and marketing, to develop and launch AI-powered features. Conduct market research and analyze user feedback to identify opportunities for AI integration. Work closely with data scientists and machine learning engineers to optimize AI models for accuracy, performance, and user impact. Define key performance indicators (KPIs) to measure success and iterate based on data-driven insights. Stay up to date with AI trends, emerging technologies, and best practices to ensure the products remain competitive. Ensure ethical AI usage and compliance with data privacy regulations.

€58,000 – €73,000
Undisclosed
YEAR

(EUR)

Madrid, Spain
Maybe global
Remote

AI/ML Engineer, Madrid

New
Top rated
Air Apps
Full-time
Full-time
Posted

Develop, train, and optimize machine learning models for various mobile app features. Research and implement state-of-the-art AI techniques to improve user engagement and app performance. Collaborate with cross-functional teams to integrate AI-driven solutions into applications. Design and maintain scalable ML pipelines, ensuring efficient model deployment and monitoring. Analyze large datasets to derive insights and drive data-driven decision-making. Stay updated with the latest AI trends and best practices, incorporating them into development processes. Optimize AI models for mobile environments to ensure high performance and low latency.

€60,000 – €76,000
Undisclosed
YEAR

(EUR)

Madrid, Spain
Maybe global
Remote

AI Workflow Engineer - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

As an AI Workflow Engineer, the responsibilities include designing and evaluating workflows integrating LLM APIs (such as OpenAI, Claude, Gemini, or similar), building and optimizing AI-powered automation systems for content generation, enrichment, and communication, developing and refining prompt frameworks for consistent high-quality outputs, creating systems for personalized automated outreach including email, messaging flows, and lead enrichment, structuring and preprocessing data to ensure stable model behavior and reliable outputs, and analyzing and improving AI-driven pipelines for scalability, efficiency, and accuracy.

$50 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Mathematics Expert - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design rigorous mathematics problems reflecting professional practice; evaluate AI solutions for correctness, assumptions, and constraints; improve AI reasoning to align with industry-standard logic; and apply structured scoring criteria to multi-step problems.

$29 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

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

Optical Engineer - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors design original optics problems that simulate real physics research workflows and ensure these problems are computationally intensive and cannot be solved manually within reasonable timeframes of days or weeks. They develop problems requiring non-trivial reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics, basing issues 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

Senior Software Engineer, AI Voice Agent

New
Top rated
Aircall
Full-time
Posted

As a Senior Software Engineer on the AI Voice Agent team, you will work on real-time systems involving live audio streaming and latency optimization integrated with speech providers. You will build and improve conversation intelligence systems that manage LLM layers, including prompt construction, context management, function calling, and dialogue management to create natural, actionable phone conversations. You will develop the action framework allowing configurable API calls with branching logic and runtime execution, supporting tasks like data lookup and ticket creation during calls. You'll manage knowledge ingestion, storage, and retrieval to enhance agent memory and learning over time. You will collaborate with designers to enable customers to create, configure, test, and deploy voice agents through intuitive product experiences. Additionally, you will help develop evaluation frameworks, analytics, call quality metrics, and monitoring instrumentation, and participate in on-call rotation duties.

$150,000 – $220,000
Undisclosed
YEAR

(USD)

Maybe global

Member of Technical Staff (Data): World Models

New
Top rated
Moonvalley
Full-time
Full-time
Posted

Design, automate, maintain, and optimize Python ETL pipelines (Spark/Ray) for large-scale multimodal data. Build and maintain data cataloging, lineage, quality tooling, integrity verification, access controls, and lifecycle management systems. Provide guidance, internal tools, and documentation to colleagues on data best practices. Serve as a custodian of the company’s datasets, ensuring overall data health, quality, and discoverability.

Undisclosed

()

Maybe global
Remote

Freelance Junior Journalist - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

As an AI Trainer - Junior Journalist, the role involves helping to train AI models by crafting text that teaches AI reasoning, logic accuracy, nuance, and clarity. Contributors may craft original, clear, and fact-checked responses based on project guidelines, generate prompts to challenge AI, define comprehensive scoring criteria to evaluate AI answer accuracy, and follow style and quality standards to ensure consistency.

$20 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Machine Learning Developer (Freelance)

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design original computational STEM problems that simulate real scientific workflows, create problems that require Python programming to solve, ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes, develop problems requiring non-trivial reasoning chains and creative problem-solving approaches, verify solutions using Python with standard libraries such as Numpy, Pandas, Scipy, and scikit-learn, and document problem statements clearly while providing verified correct answers.

$34 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Want to see more AI jobs in Spain?

View all jobs

Access all 4,256 remote & onsite AI jobs.

Join our private AI community to unlock full job access, and connect with founders, hiring managers, and top AI professionals.
(Yes, it’s still free—your best contributions are the price of admission.)

Frequently Asked Questions

Have questions about roles, locations, or requirements for AI jobs in Spain?

Question text goes here

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.

[{"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."}]