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David S. - Freelance Mastering Engineer

Available

Mastering Engineer
Avid media composer, Beats, DaVinci Resolve Studio
Avid media composer, Beats, DaVinci Resolve Studio
I am a creative sound designer and audio producer with over 20 years of experience crafting immersive soundscapes, character-driven audio, and high-quality productions fo...
COSMOPOLITANO - Freelance Mastering Engineer

Available

Mastering Engineer
Ableton Live, Izotope Ozone, Logic Pro
Ableton Live, Izotope Ozone, Logic Pro
Hi, I'm Cosmopolitano, a composer and music producer with over 25 years of experience across music for media, including TV, advertising, film, and production music. My wo...
Diego V. - Freelance Mastering Engineer

Available

Mastering Engineer
Ableton Live, AI Collection (Audio), Logic Pro
Ableton Live, AI Collection (Audio), Logic Pro
Hi, I’m Diego Lara Vasquez, a sound designer, composer, and mixing/mastering engineer based in Barcelona. I blend analog and digital workflows to craft immersive audio fo...
Rodion N. - Freelance Mastering Engineer

Available

Mastering Engineer
Gerard S. - Freelance Mastering Engineer

Available

Mastering Engineer
Hi, I'm Gerard Salvia, an audio engineer based in Barcelona with 10+ years of experience spanning live sound, studio mixing & mastering, and audio post. I’ve served as FO...
Jeremías P. - Freelance Mastering Engineer

Available

Mastering Engineer
Soy Jeremías Pescaglini, licenciado en Sonorización y Grabación, con experiencia en producción musical, sonido en vivo, postproducción y acústica. Me apasiona la innovaci...
Eduard U. - Freelance Mastering Engineer

Available

Mastering Engineer
https://open.spotify.com/playlist/6qbpS6LblsBULNJs3AK2ca?utm_medium=share&utm_source=linktree. I have worked for years producing songs with singers at various publishe...
Stephani V. - Freelance Mastering Engineer

Available

Mastering Engineer
Hi, I’m Stephani Viteri. I’m a audio producer and event specialist with over 10 years of experience creating, coordinating, and delivering high-quality projects across th...
Pedro B. - Freelance Mastering Engineer

Available

Mastering Engineer
Hi, I’m a Chilean sound engineer and DJ with a passion for building immersive live and studio experiences. I’ve worked across weddings, concerts, and festivals in Chile a...
Joel - Freelance Mastering Engineer

Available

Mastering Engineer
Sóc un jove de 22 anys el qual ha cursat un Grau Formatiu d'Imatge i So. Compto amb més de tres anys d’experiència com a tècnic de so i segueixo desenvolupant- me la...
Greta M. - Freelance Mastering Engineer

Available

Mastering Engineer
Copywriting, GA4, Google Ads
Copywriting, GA4, Google Ads
I'm Greta De Matteo, a results-driven digital marketing specialist and Pod Lead at Google, where I guide a portfolio of 200 companies to maximize ROAS and Quality Score t...
Robert L. - Freelance Mastering Engineer

Available

Mastering Engineer
I'm Robert Lozano, also known as ILURO, a music producer from Barcelona with nine years of experience in electronic music production. My solo project has surpassed 100 mi...

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

"Working with Johnny Phillips was a really great experience. He’s got a sharp ear and a creative approach that gave our track „The Anthem“ a cool flow and brought it up to a truly professional level. I especially appreciated the attention to detail and the effort he put in from start to finish. Definitely someone I’d..."
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DJ @ DJ-League
May 4, 2026
"Working with Don Mar Ecino on my project 'Pávy' was an incredible experience. He handled everything from full music production and arrangement to the final mix and master. His technical expertise ensured a high-end, broadcast-ready sound, while his coaching during the process helped me reach my full potential as an artist...."
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SARAQI @ SARAQI
Apr 29, 2026
"I've worked with Nick on a wide variety of film and Tv projects. He's a versatile talented musician moving seamlessly between classical and contemporary scores. His easy going enthusiasm has proved successful for a variety of different scale projects. He really understands the impact the score can have on the emotional..."
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Andy @ TV and Film Director
Apr 27, 2026
"Jonathan recently worked with Ministry of Soul on a project that involved bringing together a range of individually recorded performances into one cohesive final product. Each contributor had recorded their parts separately from home, which naturally presented challenges in terms of consistency, sound quality, and overall..."
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Lyndsay @ Ministry of Soul
Apr 27, 2026
"The work/Anthem they made for our organization was instant hit with all our employees and families. We get goosebumps everytime we hear it. The enthusiasm and passion of this young team towards music is exceptional. Thank you guys. Good Luck 👍"
Suresh @ Vridhi Home Finance
Apr 23, 2026
"Soren bloody Martin is the best producer / engineer I've ever had the pleasure to work with. I humbly think also, on this planet. Not only is she incredibly professional, brining a sense of urgency to our sessions; she also has élan and flare in spades, which I have found to be very lifting when it comes to being..."
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Flynn @ Heart and Mouth
Apr 23, 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, JB Cole
-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."
Achim Kohli - CEO, Legal-i
-Achim Kohli
CEO, Legal-i
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From the blog

Frequently Asked Questions

What does a Mastering Engineer do?

A Mastering Engineer is a skilled audio professional responsible for the final stage of music production. Their primary role is to enhance the overall sound of a track, ensuring it is polished and ready for distribution. This includes adjusting levels, equalization, compression, and adding effects to achieve the desired sound quality. Mastering Engineers also prepare the audio for various formats, such as digital streaming and physical media. They possess a deep understanding of acoustics and audio technology, enabling them to make precise adjustments that elevate the music’s emotional impact. Ultimately, their work ensures that the final product sounds cohesive and professional across different playback systems.

How to Hire a Mastering Engineer in Barcelona, ES?

Hiring a Mastering Engineer in Barcelona can be a straightforward process if you take the right steps. Start by defining your project needs, including the genre of music and specific sound preferences. Use platforms like Twine to post your job, detailing your requirements, timeline, and budget. This allows you to attract qualified candidates. Once you receive applications, review candidates’ portfolios and listen to their previous work to assess compatibility with your style. Conduct interviews to discuss their experience and approach to mastering. Finally, ensure to communicate your expectations clearly, fostering a collaborative relationship throughout the project.

How much does it cost to hire a Mastering Engineer in Barcelona, ES?

The cost of hiring a Mastering Engineer in Barcelona can vary based on experience and project complexity. Here’s a breakdown of typical rates:

  • Beginner: €30 - €50 per hour
  • Junior: €50 - €80 per hour
  • Mid-level (industry average): €80 - €120 per hour
  • Senior: €120 - €180 per hour
  • Expert: €180 - €300+ per hour

These rates can fluctuate based on the specific requirements of your project. It is advisable to discuss rates upfront to ensure they align with your budget.

What qualities set exceptional Mastering Engineers apart from the rest?

Exceptional Mastering Engineers possess a combination of technical skills and artistic sensibility. Key qualities include:

  • Attention to detail: They meticulously analyze every aspect of a track.
  • Strong communication skills: They understand and interpret a client’s vision.
  • Technical proficiency: Mastery of audio software and hardware is essential.
  • Adaptability: They can work across various genres and styles.
  • Critical listening: The ability to identify subtle nuances in sound is crucial.

These attributes enable them to deliver high-quality results that enhance the listening experience.

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

Recognizing the perfect Mastering Engineer involves evaluating their experience, portfolio, and communication skills. Start by reviewing their past projects to see if their sound aligns with your vision. Look for testimonials or reviews from previous clients to gauge their professionalism and reliability. During interviews, assess how well they understand your goals and their willingness to collaborate. A perfect fit will not only have the necessary technical skills but will also resonate with your artistic direction and foster a good working relationship. Trust your instincts; a strong rapport can significantly enhance the mastering process.

What are the key questions to ask in a Mastering Engineer interview?

When interviewing a Mastering Engineer, consider asking the following key questions:

  • What is your experience with projects in my genre?
  • Can you describe your mastering process?
  • What equipment and software do you use?
  • How do you handle feedback and revisions?
  • Can you provide references from previous clients?

These questions will help you understand their expertise, approach, and compatibility with your project, ensuring you make an informed hiring decision.

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

Hiring a freelance Mastering Engineer offers flexibility and personalized service, as you can directly communicate your vision and needs. Freelancers often have lower overhead costs, which can result in more competitive pricing. On the other hand, working with an agency typically provides a broader range of services and a team of professionals with diverse skills. Agencies may offer additional resources, such as project management and marketing support, but often at a higher cost. Ultimately, the choice depends on your project’s scale, budget, and the level of personalized attention you require.

What should be in a Mastering Engineer project brief / job description?

A well-structured project brief for a Mastering Engineer should include the following elements:

  • Overview of the project: Describe the type of music and its intended audience.
  • Specific requirements: Detail any particular sound or style you envision.
  • Timeline: Specify when you need the mastering completed.
  • Budget: Indicate your budget range for the project.
  • Delivery format: Clarify the formats needed (e.g., WAV, MP3).

Providing comprehensive information helps the Mastering Engineer understand your needs and deliver the best results.

How do I hire a Mastering 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 Mastering 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 Mastering Engineers, making it easy to find the perfect creative professional for your project.

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