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Rocío N. - Freelance Ai Engineer

Available

Ai Engineer
3D Model, Android, Blender
3D Model, Android, Blender
Biomedical Engineer and creative technologist with over 5 years of experience developing digital solutions across research, healthcare, and interactive media. I work i...
Nicolás L. - Freelance Ai Engineer

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...
Juan B. - Freelance Ai Engineer

Available

Ai Engineer
AWS, CSS, DB2
I am a QA Engineer with 9+ years across SaaS, logistics, physical security, and enterprise software. I specialize in test strategy, defect life cycle management, and embe...
Gabriel G. - Freelance Ai Engineer

Available

Ai Engineer
Hi, I'm Gabriel Guerin, a product builder focused on shipping automation and AI-driven workflows. I design and ship automation-driven products, internal tools, and AI wor...
Daniele F. - Freelance Ai Engineer

Available

Ai Engineer
I am an engineer, technical manager and AI researcher with a passion for cutting-edge technologies. My work spans machine learning, image processing, MES, mobile, VR and ...
Renata V. - Freelance Ai Engineer

Available

Ai Engineer
3D Design, 3D Model, Adobe After Effects
3D Design, 3D Model, Adobe After Effects
Hi, I’m Renata Alexandra Vasilescu, a R&D-focused telecommunications engineering student based in Barcelona. I have hands-on experience in Unity/XR development, spatial a...
Osledy B. - Freelance Ai Engineer

Available

Ai Engineer
Data Visualization, JavaScript, Python
Data Visualization, JavaScript, Python
I'm a passionate and hands-on tech founder with over a decade of experience building scalable digital products, leading development teams, and creating AI-powered tools a...
Dylan G. - Freelance Ai Engineer

Available

Ai Engineer
Industrial Design Engineering student with experience in advanced prototyping, CAD modelling, life cycle assessment (LCA) and machine learning applied to design. Currentl...
Afrooz M. - Freelance Ai Engineer

Available

Ai Engineer
I'm an AI & ML Engineer with over 4 years of experience in creating intelligent systems across various sectors, including healthcare and education. I enjoy designing solu...
Absolute I. - Freelance Ai Engineer

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...
David F. - Freelance Ai Engineer

Available

Ai Engineer
I am a Senior Software Engineer from Barcelona with over 20 years of experience, specialized in Java/Spring backend development and clean, SOLID architectures across bank...

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"La ayuda profesional de Santiago a la hora de poder traducir el texto completo de una obra de teatro en el menor tiempo posible hace que pueda confiar al 100% como profesional de la industria. Trabajar con el ha sido un gran acierto"
Ignacio @ ALMA Produce
Apr 16, 2026
"Guido brought exceptional musical sensitivity to Disney Latam’s Diversity and Inclusion project. He managed to capture the core of the campaign through an authentic and emotive composition, showing profound respect for cultural identity and the brand’s message. Beyond his creative vision, his production work was flawless;..."
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Disney @ Disney LTD
Apr 16, 2026
"Karyn Olson is an excellent web designer. She has great technical skills and experience and can guide you in making decisions that are consistent with your vision of the site you want to develop. Karyn can also offer suggestions about what does and doesn't look best to help you avoid a site that isn't aesthetically pleasing..."
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Betsy @ BMC Strategies
Apr 16, 2026
"Suzan has taken over my social media activity to fantastic effect. Scheduling, posting, review and follow-up are improving reach and followers, and sales across platforms. She is knowledgeable, professional and organised and is refining messages and material to achieve maximum effect, building on her detailed analysis of..."
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Howard @ The Funny Book Company
Apr 16, 2026
"Working with Hammad on our app was a great experience. He understood the requirements quickly and built a clean, reliable product that our users genuinely enjoy."
Eisham @ NeuroNest
Apr 16, 2026
"Working with Kibria Islam was a great experience. He delivered high-quality video editing and social media content that matched exactly what I was looking for. Communication was smooth, turnaround time was fast, and he was very professional throughout the project. The final videos were engaging, polished, and ready to post...."
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kibria @ Loyajaw
Apr 16, 2026
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Josh Bolland - CEO, JB Cole
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CEO, J B Cole
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Achim Kohli - CEO, Legal-i
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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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