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Patrick Passos

Available

Ai Engineer
I am an AI Engineer with hands-on experience in building production-grade agentic systems and scalable full-stack applications.
Cristal Tavares

Available

Ai Engineer
Creative by nature, with a strong business foundation, I build AI and automation solutions across customer success and sales, designing workflows that focus on customer n...
Eric Friedrich

Available

Ai Engineer
Computer Engineering graduate from PUCRS with a strong passion for innovation and technology. With over three years of experience in programming, database management, an...
EduardoNicoleit

Available

Ai Engineer
AI Chatbot, Data Science, React JS
AI Chatbot, Data Science, React JS
- I have 7+ years of experience as a software developer, working on a live large scale data-driven and SaaS product - Developed more than 6 web applications from small t...
Lucas Oliveira

Available

Ai Engineer
I’m a data engineer and software developer with experience in building data-driven applications and overall backend applications. Whether you’re looking to enhance your d...
Eduardo Takaaci de Paula

Available

Ai Engineer
Prompt Engineering, Audio, Data Visualization
Prompt Engineering, Audio, Data Visualization
I am an AI Training & Data Annotation Specialist focused on remote AI training projects with immediate availability. I have extensive experience in multilingual annotatio...
Aroldo Vargas

Available

Ai Engineer
Data Visualization, ETL, Oracle
Data Visualization, ETL, Oracle
Hello! I'm Aroldo Vargas, a Mid-Level Data Analyst specializing in data analysis and business intelligence. I hold a Bachelor's degree in Information Systems from the Fed...
Ramalho Isaac

Available

Ai Engineer
Data Scientist with experience working in startup environments and large organizations, contributing across the full machine learning lifecycle — from data pipelines and ...
ALESSANDRO CAMPOS

Available

Ai Engineer
Python, Data Visualization, Data Science
Python, Data Visualization, Data Science
482 I have worked in technology since 2007 and, since the beginning of 2025, I have been studying Data Science, working with exploratory analysis, statistical modeling, ...
Augusto Vellozo

Available

Ai Engineer
I am a PhD in Computer Science with a solid background in research and applied projects across industry and academia. My experience spans machine learning, cloud infrastr...
Raul Alexandre

Available

Ai Engineer
3D Design, 3D Model, Adobe Photoshop
3D Design, 3D Model, Adobe Photoshop
Portfolio available at: https://raulabw.squarespace.com/ Hello there. I'm Raul and I work with parametrics. I'm an architectural and landscape designer experienced i...

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"⭐⭐⭐⭐⭐ Klyde delivered outstanding visual designs for our Ayala projects. Her work was consistently creative, polished, and aligned perfectly with our brand standards. She communicated clearly, met every deadline, and was very professional throughout the process. Highly recommended for anyone looking for a reliable and..."
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Alcedric @ Cediesigner Services
Feb 1, 2026
"Great editing work. The pacing was clean, the cuts were smooth, and the final video felt professional and engaging. Communication was clear, and the delivery was on time. Highly recommend working with him."
Parwez @ Moon Real
Feb 1, 2026
"Cauê dos Santos Silva was great to work with. They really listened to my needs and all work was delivered on time."
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Jan 31, 2026
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Levon @ RuninCode LLC
Jan 31, 2026
"We have been using Tom for all our creative designs for 6 months now and couldn’t be happier. His creative flair when applied to our briefs hits the mark consistently. All work is completed in a timely manner and I would happily recommend Tom to anybody looking for somebody with creativity, passion and professionalism."
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Jan 31, 2026
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Jan 31, 2026
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From the blog

Frequently Asked Questions

What does an AI Engineer do?

An AI Engineer is a professional who specializes in designing, developing, and implementing artificial intelligence models and systems. Their responsibilities can include:

  • Creating algorithms that enable machines to perform tasks that typically require human intelligence.
  • Working with large datasets to train AI models.
  • Developing tools to automate data collection and analysis.
  • Integrating AI solutions into existing software systems.
  • Collaborating with cross-functional teams to enhance product features.

AI Engineers often have expertise in machine learning, deep learning, and natural language processing, making them crucial for businesses aiming to leverage AI technologies.

How to Hire an AI Engineer in Brazil?

To hire an AI Engineer in Brazil, begin by defining your project requirements and desired skill set. Utilize platforms like Twine to access a pool of talented freelancers. Consider the following steps:

  • Clearly outline the project scope and objectives.
  • Specify technical skills, such as programming languages and AI frameworks.
  • Set a realistic budget based on experience levels.
  • Review portfolios and feedback from previous clients.

Effective communication and thorough vetting are key to finding the right candidate for your needs.

How much does it cost to hire an AI Engineer in Brazil?

The cost to hire an AI Engineer in Brazil varies by experience level:

  • Beginner: R$ 5,000 - R$ 8,000 per month
  • Junior: R$ 8,000 - R$ 12,000 per month
  • Mid-level: R$ 12,000 - R$ 18,000 per month
  • Senior: R$ 18,000 - R$ 25,000 per month
  • Expert: R$ 25,000 - R$ 35,000+ per month

These figures can fluctuate based on project complexity and demand for specific skills, so it’s advisable to adjust your budget accordingly.

What qualities set exceptional AI Engineers apart from the rest?

Exceptional AI Engineers possess a combination of technical skills, problem-solving abilities, and soft skills that set them apart. Key qualities include:

  • Strong programming skills in languages like Python, Java, or R.
  • In-depth knowledge of machine learning algorithms and AI frameworks.
  • Analytical thinking and creativity in finding innovative solutions.
  • Excellent communication skills for collaboration with diverse teams.
  • Adaptability to stay current with rapidly evolving AI technologies.

These traits enable them to deliver high-quality AI solutions tailored to specific project needs.

How do you recognize the perfect AI Engineer in Brazil for your needs?

Recognizing the perfect AI Engineer involves assessing their technical competencies and evaluating their fit for your project. Start by:

  • Reviewing their portfolio and past projects to gauge expertise.
  • Checking client testimonials and ratings for reliability.
  • Conducting technical interviews to test problem-solving skills.
  • Assessing their communication style and responsiveness.
  • Ensuring they understand your industry and specific requirements.

By combining these strategies, you can find an AI Engineer who aligns well with your project goals.

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

To ensure you find the right AI Engineer, consider asking the following key questions during the interview:

  • Can you describe a challenging AI project you've worked on and how you solved it?
  • Which programming languages and frameworks are you most proficient in?
  • How do you approach data preprocessing and model selection?
  • What strategies do you use to keep up with the latest AI trends?
  • Can you explain a complex AI concept in simple terms?

These questions will help you gauge their expertise and problem-solving capabilities.

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

Hiring a freelance AI Engineer and working with an agency both have distinct advantages. Freelancers typically offer flexibility, lower costs, and personalized attention, making them ideal for specific projects. In contrast, agencies provide a broader range of expertise, access to a team of professionals, and more structured project management. Key differences include:

  • Cost: Freelancers may be more budget-friendly compared to agencies.
  • Expertise: Agencies can offer diverse skill sets across various AI domains.
  • Project Management: Agencies often have dedicated managers to oversee projects.
  • Flexibility: Freelancers can often adapt to changing project needs more easily.

Choosing between the two depends on your project requirements and budget constraints.

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

An effective AI Engineer project brief should clearly define your expectations and requirements. Include the following elements:

  • Project Overview: Brief description of the project and its goals.
  • Technical Skills Required: Specific programming languages and AI frameworks needed.
  • Deliverables: Outline what you expect to be delivered at the project's conclusion.
  • Timeline: Provide a clear timeline for project milestones.
  • Budget: Specify your budget range to attract suitable candidates.

A well-crafted job description will attract qualified AI Engineers who align with your project goals.

How do I hire an AI Engineer in Brazil 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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