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Hire expert AI engineers in Barcelona, ES

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CEREN CYNTH

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Ai Engineer
Hi, I'm a multidisciplinary designer and AI-driven creator who blends traditional design with cutting-edge AI tools to craft visually striking and engaging experiences. I...
Milo Bravo

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Ai Engineer
Google API, Airtable, Data Visualization
Google API, Airtable, Data Visualization
Helping B2B teams automate with n8n & AI Integration | Automation & BI Systems | Ex-S&P Global. .... Tired of B2B teams losing 20+ hours/week to manual ops, clunky v...
Absolute Internship

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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...
İçim Elif Şenol

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Ai Engineer
I’m İçim, a Barcelona-based creative producer and production coordinator with more than ten years of experience working across film, TV, branded content, and hybrid workf...
Marc Farssac Busquets

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Ai Engineer
I am a Senior Android Engineer with a decade of mobile development experience across consumer electronics, logistics and IoT. I enjoy turning ideas into robust, scalable ...
Sofía Salles Lavatierra

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Ai Engineer
I am a computer engineer with training in artificial intelligence and specialization in interface design. I combine programming and web development with a strong visual ...

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We have over 14,500 AI engineers who've worked in many different industries and cover various styles and skillsets.
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Trusted by companies around the world

"Faith was very efficient and quick. I hired her to edit a video for my brand, and she delivered it on time. She's very creative and meets deadlines. I would hire her again, and I highly recommend her. Can't wait to work with you again, Faith."
Mercy @ Sievely.org
Jan 26, 2026
"Sarah was great to work with on our social media campaign. She takes in ideas and concepts and thinks of creative ways to shape them into content that feels natural whilst remaining on brand. As well as being creative in her thinking, Sarah is also really structured and disciplined, which helps to make working with her and..."
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Ben @ GM Business Growth Hub
Jan 26, 2026
"David carried a superb graphic design, digital design and branding project that helped extend the storytelling and value of the brand. The digital assets he created helped to achieve results on our social channels and website, while the graphic design and branding assest improved the brand's presence through a range of..."
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María @ Joma Sport
Jan 26, 2026
"Louis did an excellent job on the video editing project. His attention to detail, smooth transitions, and ability to bring the story together made the final video engaging and polished. He communicated clearly and delivered on time. I’d gladly work with him again."
Dominic @ Dominic Toretto
Jan 26, 2026
"Lusine did an excellent job building the Voghkuyz Wines website. She was attentive to details, easy to communicate with, and truly understood our vision. The result is a beautiful, functional website we’re very happy with."
Anna @ Voghkuyz Wines
Jan 26, 2026
"I was looking for a developer who wouldn't just use ready-made templates, and Antonio exceeded all my expectations. He built elettrophone.it starting from my personal needs, creating a website that fits my business like a glove. Every single feature was studied together and tailor-made to offer my customers the best..."
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Giovanni @ Elettrophone
Jan 26, 2026
"Working with Twine enabled us to scale projects quicker than before and the Twine Business makes it so easy to manage and pay contractors over the world."
-Josh Bolland
CEO, J B Cole
"I found an amazing designer and she's fast. I now send her my ideas and she transforms them into great design. The collaboration is fast, professional and easy. It feels like she is already part of our team."
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CEO, Legal-i
5 star reviews

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163

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From the blog

Frequently Asked Questions

What does an AI Engineer do?

An AI Engineer is a specialized professional who focuses on designing, developing, and implementing artificial intelligence systems. Their primary responsibilities include:

  • Building algorithms and models that enable machines to perform tasks that typically require human intelligence.
  • Conducting data analysis to inform machine learning processes.
  • Programming in languages such as Python, Java, or R to create AI solutions.
  • Collaborating with data scientists and other IT professionals to refine AI applications.
  • Testing and optimizing AI systems to ensure efficiency and effectiveness.

AI Engineers are vital in various industries, including finance, healthcare, and technology, where they help in automating processes and enhancing decision-making through intelligent systems.

How to Hire an AI Engineer in Barcelona, ES?

Hiring an AI Engineer in Barcelona involves several strategic steps to ensure you find the right fit for your project. Start by clearly defining your project requirements, including the specific skills needed, the project duration, and the budget available. Utilize platforms like Twine to access a diverse pool of AI Engineers. When posting your job, highlight essential details to attract suitable candidates. Review applications thoroughly, focusing on their portfolios and past experiences. Conduct interviews to gauge their technical skills and cultural fit. Finally, ensure transparent communication about expectations and deliverables throughout the hiring process.

How much does it cost to hire an AI Engineer in Barcelona, ES?

The cost to hire an AI Engineer in Barcelona varies based on experience levels:

  • Beginner: €30 - €50 per hour
  • Junior: €50 - €70 per hour
  • Mid-level (industry average): €70 - €100 per hour
  • Senior: €100 - €130 per hour
  • Expert: €130 - €200+ per hour

These rates can fluctuate based on the complexity of the project, the Engineer's expertise, and market demand. Always consider budget flexibility when hiring top talent.

What qualities set exceptional AI Engineers apart from the rest?

Exceptional AI Engineers possess a unique blend of technical skills and soft skills that distinguish them from their peers. Key qualities include:

  • Strong problem-solving abilities to tackle complex challenges.
  • Proficiency in programming languages and AI frameworks.
  • Experience with data manipulation and analysis techniques.
  • Excellent communication skills for collaboration with teams and stakeholders.
  • Creativity in developing innovative AI solutions.

Moreover, a continuous learning mindset is crucial, as the field of AI evolves rapidly, requiring Engineers to stay updated with the latest technologies and trends.

How do you recognize the perfect AI Engineer in Barcelona, ES for your needs?

To find the perfect AI Engineer for your project in Barcelona, start by identifying your specific requirements. Look for candidates with relevant experience, particularly in your industry. Review their portfolios to assess the quality of their previous work. Conduct interviews to evaluate their technical proficiency and ability to communicate complex ideas. Ask for references or testimonials from past clients to gain insight into their work ethic and reliability. Ultimately, the ideal candidate should align with your project goals and possess the necessary expertise to deliver successful results.

What are the key questions to ask in an AI Engineer interview?

During an interview with an AI Engineer, consider asking the following key questions:

  • Can you explain your experience with machine learning algorithms?
  • What programming languages do you prefer for AI projects, and why?
  • How do you approach data preprocessing and feature selection?
  • Can you share an example of a challenging project you completed and how you overcame obstacles?
  • How do you ensure your AI models are scalable and maintainable?

These questions will help you evaluate their technical skills, problem-solving abilities, and overall fit for your project needs.

What’s the difference between hiring a freelance AI Engineer and working with an agency in Barcelona, ES?

Hiring a freelance AI Engineer and working with an agency both have their advantages. Freelancers typically offer more flexibility and often come at a lower cost, allowing you to hire based on specific project needs. They may provide a personalized approach, dedicating more attention to your project. In contrast, agencies usually have a broader range of expertise and resources at their disposal, allowing for quicker project turnaround and access to multiple specialists. However, agency services can be more expensive. Ultimately, the choice depends on your project scope, budget, and desired level of involvement.

What should be in an AI Engineer project brief/job description?

An effective AI Engineer project brief should include the following elements:

  • Project Overview: A clear description of the project’s goals and objectives.
  • Scope of Work: Detailed tasks and responsibilities expected from the Engineer.
  • Required Skills: Specify technical skills, programming languages, and tools necessary for the role.
  • Timeline: Outline project milestones and deadlines.
  • Budget: Provide a budget range to attract suitable candidates.
  • Communication: Specify expected communication methods and frequency.

A well-structured brief ensures clarity and can significantly improve the quality of applicants.

How do I hire an AI Engineer in Barcelona, ES on Twine?

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.

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