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 The Homebase

Manual Quality Assurance Engineer, Web Core Product

New
Top rated
Speechify
Full-time
Full-time
Posted

Work alongside machine learning researchers, engineers, and product managers to bring AI Voices to customers for diverse use cases. Deploy and operate the core ML inference workloads for the AI Voices serving pipeline. Introduce new techniques, tools, and architecture that improve performance, latency, throughput, and efficiency of deployed models. Build tools to identify bottlenecks and sources of instability and design and implement solutions to address the highest priority issues.

$140,000 – $200,000
Undisclosed
YEAR

(USD)

Maybe global
Remote

Mechanical Engineer with Python Experience - Freelance AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design graduate- and industry-level mechanical engineering problems grounded in real practice; evaluate AI-generated solutions for correctness, assumptions, and engineering logic; validate analytical or numerical results using Python (NumPy, SciPy, Pandas); improve AI reasoning to align with first principles and accepted engineering standards; and apply structured scoring criteria to assess multi-step problem solving.

$33 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Mechanical Engineering & Python Expert - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design graduate- and industry-level mechanical engineering problems grounded in real practice, evaluate AI-generated solutions for correctness, assumptions, and engineering logic, validate analytical or numerical results using Python (NumPy, SciPy, Pandas), improve AI reasoning to align with first principles and accepted engineering standards, and apply structured scoring criteria to assess multi-step problem solving.

$33 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Electrical Engineering & Python Expert - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design rigorous electrical engineering problems reflecting professional practice, evaluate AI solutions for correctness, assumptions, and constraints, validate calculations or simulations using Python (NumPy, Pandas, SciPy), improve AI reasoning to align with industry-standard logic, and apply structured scoring criteria to multi-step problems.

$33 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Electrical Engineering & Python Expert - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design rigorous electrical engineering problems reflecting professional practice, evaluate AI solutions for correctness, assumptions, and constraints, validate calculations or simulations using Python (NumPy, Pandas, SciPy), improve AI reasoning to align with industry-standard logic, and apply structured scoring criteria to multi-step problems.

$55 / hour
Undisclosed
HOUR

(USD)

Maybe global
Remote

Evaluation Scenario Writer - AI Agent Testing Specialist

New
Top rated
Mindrift
Part-time
Full-time
Posted

Create structured test cases that simulate complex human workflows, define gold-standard behavior and scoring logic to evaluate agent actions, analyze agent logs, failure modes, and decision paths, work with code repositories and test frameworks to validate scenarios, iterate on prompts, instructions, and test cases to improve clarity and difficulty, and ensure that scenarios are production-ready, easy to run, and reusable.

$30 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Electrical Engineer with Python Experience - AI Trainer

New
Top rated
Mindrift
Part-time
Full-time
Posted

Contributors may design rigorous electrical engineering problems reflecting professional practice, evaluate AI solutions for correctness, assumptions, and constraints, validate calculations or simulations using Python (NumPy, Pandas, SciPy), improve AI reasoning to align with industry-standard logic, and apply structured scoring criteria to multi-step problems.

$33 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Machine Learning AI Trainer (Python)

New
Top rated
Mindrift
Part-time
Full-time
Posted

As a Freelance Machine Learning AI Trainer, you will design original computational STEM problems that simulate real scientific workflows, create problems that require Python programming to solve, and ensure these problems are computationally intensive and cannot be solved manually within reasonable timeframes. You will 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 sklearn, and document problem statements clearly while providing verified correct answers.

$34 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Freelance Machine Learning Engineer (Python)

New
Top rated
Mindrift
Part-time
Full-time
Posted

Design original computational STEM problems simulating real scientific workflows, create problems requiring Python programming to solve, ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks), 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 sklearn, and document problem statements clearly while providing verified correct answers.

$34 / hour
Undisclosed
HOUR

(USD)

Spain
Maybe global
Remote

Safety Engineer

New
Top rated
ElevenLabs
Full-time
Full-time
Posted

The AI Safety Engineer is responsible for designing and building scalable backend infrastructure for content moderation, abuse detection, and agents guardrails by deploying AI/ML models into production systems. They will architect robust APIs, data pipelines, and service architectures to support real-time and batch moderation workflows. The role includes implementing comprehensive monitoring, alerting, and observability systems, establishing SLIs, SLOs, and performance benchmarks. The engineer will collaborate with ML engineers to translate research models into production-ready systems and integrate them across the product suite. Additionally, they will drive technical decisions and contribute to the vision for the safety roadmap to build next-generation platform guardrails for scale and precision.

Undisclosed

()

Maybe global
Remote

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Frequently Asked Questions

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

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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."}]