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Hire expert AI Engineers in Spain

Post a project and get matched with AI Engineers in Spain. Matched in 24 hours. No agency fees.

1
Post your project
Takes 3 minutes
2
Meet your expert
Within 24 hours
3
Launch your project
Flexible payment options
+14k more AI Engineers on Twine
Roy H.
AI Engineer
★★★★★ 5.0
Zigor U.
AI Engineer
★★★★★ 5.0
Jose D.
AI Engineer
★★★★★ 5.0

Trusted by 10,000+ companies of all sizes

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Meet the experts behind high growth companies.

Every AI Engineer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.

Available
AI Engineer

Smart contract engineer specialized in stablecoin and payment infrastructure across EVM and Solana, shipping end-to-end blockchain protocols and researching security in c...

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Available
AI Engineer

I'm Javier García, a software and data engineer focused on building AI-powered SOC log analysis pipelines. I design and deploy end-to-end systems using LLMs, FAISS, RAG, ...

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Available
AI Engineer

AI Chatbot, API, Backendless

AI-augmented software engineer and technical architect with 20+ years of proven expertise leading high-availability cloud systems and engineering teams. I specialize in a...

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Available
AI Engineer

Mi nombre es Diego Gallego García, un apasionado por la informática, la tecnología y la ciencia. Soy desarrollador Graduado en Ingeniería Informática por la Universidad d...

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Available
AI Engineer

Hi, I'm Nicolás, a passionate software engineer specializing in game systems and simulations. With experience developing interactive simulations and core gameplay feature...

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Available
AI Engineer

Absolute Internship is a top international internship provider, linking students and graduates with leading companies around the world. Through hands-on experience in cit...

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Available
AI Engineer

Senior Front-End Engineer with 8 years of experience building responsive web applications across insurance, healthcare, IoT, eCommerce, and government. Strong track recor...

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We have over 14,500 AI Engineers who've worked in many different industries and cover various styles and skillsets.

Start your search

What companies hire AI Engineers for

Projects that brands and startups post most often.

MVP build

End-to-end build of a v1 product: front-end, back-end, and deployment.

Build your MVP

AI feature integration

Add LLM-powered features to your product, copilots, semantic search, or summarisation.

Integrate AI

Mobile app

React Native or Flutter app for iOS and Android from your existing spec.

Build your app

Browse related AI Engineer roles in Spain

Development specialisms and the cross-functional roles you'll often hire alongside.

Choose your city

See which of Twine's top rated AI Engineers are near you

Or widen your search to global AI Engineers

Reviews

Trusted by companies around the world

I am the Co-Founder and CEO of a Swiss-Insurtech startup. I was always doing the design of my powerpoint slides on my own. To design them took me a long time and it always looked bad. Until I found twine. Due to twine I found an amazing designer abroad. She is very good and fast. And I can now send her my powerpoint slides...

Achim Kohli

Nov 15, 2021

Could not sing their praises highly enough. Many a time have been able to find an exceptional talent through their system, but more importantly, there is never any hassle when it comes to dealing with payments, communication, or delivery. A great service and they are contactable and provide solutions

Samson

Dec 16, 2021

I had a wonderful experience using twine to find and work with talented freelancers for my project. The platform is easy to use, has a wide range of creative professionals, and offers secure payment options. I was able to communicate with my collaborators effectively and get the results I wanted. I would highly recommend...

Natarajan Selvaraj

Jun 12, 2022

I think the concept works really well and is priced reasonably. Easy messaging with the lovely artist who is doing the illustrations for a children's book for me and also overseen by a Twine manager to make sure everything is going okay. I haven't used other websites who do the same thing, but have found this one works...

Carol Ainge

Jul 23, 2021

I needed to create a Movie Poster for my Animated Screenplay. So I asked a local Graphics shop. They gave me a referral to Fivver.com. I was unhappy with the work and poor English comprehension. Somehow, in an internet search, Twine.net came up, so I tried it. I think that the ability to see a Contractor's Portfolio is...

Michael Mroz

Jun 16, 2021

Went searching the web for a songwriter to help me with my timely COVID-19 related song. There's a lot out there, but finally happened across Twine. Found a nice young and talented fellow in the UK who would do it within my budget. And viola! a one day turn-around and a new song is shared with the world. I couldn't be...

Phil Bearce

Mar 5, 2020

How it works

  1. 1

    Post your project

    3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.

  2. 2

    Meet your expert

    Within 24 hours, you'll see a shortlist of vetted AI Engineers matched to your project.

  3. 3

    Launch your project

    Flexible payments on your terms, bill experts directly or use the Twine vault for added security.

How pricing works on Twine

Transparent rates, no hidden markup, and a payment path for every need.

The quote is the number.Nothing added on top.

Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.

No hidden markup

Pay direct.0% commission.

Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.

0% off-platform payments

Pay via Vault.Your money is protected.

Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.

10% up to $10k · 5% over $10k

Estimate your budget

Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.

Your project

Mid-level (3–5 yrs)
2–4 weeks

Estimates only. Actual budget is set by you and agreed with your expert before any work begins.

ESTIMATED RANGE

€4,100 €11,000

How we got here

  • Mid-level day rate: ~€405–€550/day
  • 2–4 weeks = 10–20 working days
  • Range: €4,100–€11,000

Twine vs. the alternatives

Frequently asked questions

Common questions answered before you post a project.

An AI Engineer specializes in developing and implementing artificial intelligence systems. Their responsibilities include designing algorithms, creating machine learning models, and optimizing data processing techniques. AI Engineers work on various applications, such as natural language processing, computer vision, and robotics. They collaborate with data scientists and software developers to integrate AI solutions into existing systems. Their expertise also extends to evaluating model performance and ensuring the reliability of AI applications, making them crucial in industries like healthcare, finance, and technology.

Exceptional AI Engineers possess a combination of technical and soft skills that elevate their work. Key qualities include:

  • Strong analytical thinking and problem-solving abilities
  • Proficiency in programming languages such as Python and R
  • Experience with machine learning frameworks like TensorFlow or PyTorch
  • Excellent communication skills to explain complex concepts
  • Adaptability and a passion for continuous learning in a rapidly evolving field

These qualities enable them to develop innovative solutions and effectively collaborate with teams.

Typical day rates for AI Engineers in Spain vary by experience level:

  • Junior: 290 - 395 EUR
  • Mid-level: 405 - 550 EUR
  • Senior: 510 - 685 EUR
  • Expert: 630 - 850+ EUR

These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.

Estimate your cost using our calculator →

To identify the perfect AI Engineer in Spain, start by assessing their technical skills and relevant experience. Review their portfolio to evaluate previous projects and outcomes. Look for candidates who demonstrate problem-solving capabilities and creativity in their work. Additionally, consider their communication style and cultural fit within your organization. Conducting thorough interviews and referencing past client testimonials can also provide insights into their work ethic and reliability as a freelancer.

When interviewing an AI Engineer, consider asking the following key questions:

  • Can you describe a challenging AI project you worked on and how you approached it?
  • What programming languages and tools do you prefer for AI development?
  • How do you ensure the accuracy and reliability of your models?
  • Can you explain a complex AI concept in simple terms?
  • What strategies do you use for staying updated on AI trends and advancements?

These questions will help you gauge their expertise, problem-solving skills, and ability to communicate effectively.

Hiring an AI Engineer in Spain involves a few strategic steps. Start by defining your project requirements and desired skills. Utilize online platforms, like Twine, to access a pool of talented professionals. When posting a job, be clear about your project timeline, budget, and specific AI expertise required. Additionally, consider reaching out to local tech communities or networking events in Spain to find recommendations. This approach will help you connect with qualified candidates who are a good fit for your project.

Hiring a freelance AI Engineer offers flexibility and often lower costs, as freelancers typically have lower overhead than agencies. You can directly communicate with the freelancer, allowing for a more personalized approach to your project. In contrast, working with an agency may provide a broader range of expertise and resources, as agencies often have multiple specialists on their team. However, agencies may come at a higher price and may involve more bureaucratic processes. Ultimately, the choice depends on your project requirements, budget, and desired level of collaboration.

An effective project brief for hiring an AI Engineer should include:

  • A clear project title and overview
  • Specific objectives and desired outcomes
  • Required skills and technologies (e.g., programming languages, frameworks)
  • Project timeline and deadlines
  • Budget constraints and payment terms
  • Information about your company and team culture

Providing comprehensive details will attract qualified candidates who align with your project goals.

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted AI Engineers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance AI Engineers, making it easy to find the perfect creative professional for your project.

Ready to hire your next AI Engineer?

Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.

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