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Mathias Otto Widtskiöld

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Mastering Engineer
I'm a certified mastering engineer and Avid Certified Dolby Atmos Mixer with over two decades of professional experience in mixing, mastering, and audio restoration. I sp...
Exmusician01

Available

Mastering Engineer
Master
Master
Many, many years of studio time as an technician, engineer and musician. Mixing and mastering for the last 20 years, remotely since 2015. Most genres of music, specializi...
Detlev

Available

Mastering Engineer
I'm a musician who specializes in Songlyrics, Mixing & Mastering and Project Management --- Seit 2009 Produktion der Musikalben „Kick it up“ Vol 1 – Vol 10 (Nice ...
traftonh

Available

Mastering Engineer
I’m a graduate of Next Level Sound and also a staff song writer for Big Hitmakers in Nashville, Tennessee. I currently mix all of the demos for Big Hitmakers and also for...
Flavourstickz the Muzickist

Available

Mastering Engineer
AI Collection (Audio), Freelance Gig, AI Collection (Video)
AI Collection (Audio), Freelance Gig, AI Collection (Video)
Hello, I'm Flavourstickz the Muzickist I'm a Music Producer, Mixing and Mastering Engineer, Music Composer and also a Multi-Instrumentalist. I'm a Music Enthusiast, I lo...
arich28

Available

Mastering Engineer
ableton live, Beats, Instrumental
ableton live, Beats, Instrumental
Hi there! I'm a producer and DJ based in the United States. I create music that features catchy melodies and powerful vocals. My sound is often anthemic and has been comp...
Oscar Harryson

Available

Mastering Engineer
Master, Mix, PreSonus Studio One
Master, Mix, PreSonus Studio One
I’m a freelance audio professional with 25+ years in mixing & mastering. I have also been heavily involved in dubbing, VO's, and directing for TV, film, radio, and music...
Luizinho Mazzei

Available

Mastering Engineer
Master, Melodyne, Mix
Master, Melodyne, Mix
Hello, I’m Luizinho Mazzei, a Brazilian audio professional with over 25 years of experience as a Mixing Engineer, Recording Engineer and Live Sound specialist. I’ve worke...
Tristen Zovadelli

Available

Mastering Engineer
Audio, FL Studio, Instrumental
Audio, FL Studio, Instrumental
I am a passionate audio technician and music enthusiast with a deep love for mixing, mastering, and sound design. Experienced in live sound tuning, equipment diagnosti...
Lucca Marulanda Abello

Available

Mastering Engineer
I help artists turn good recordings into clean, powerful, release-ready tracks that stand up on any platform. I specialize in pop, urban, and contemporary R&B, focusin...
Juan Rodriguez

Available

Mastering Engineer
Music Theory, Pro Tools, Logic Pro
Music Theory, Pro Tools, Logic Pro
Hi, I’m Juan 'Jake' Rodriguez. I’ve spent more than 30 years in the music business as a recording engineer, music producer, studio owner, and artist manager. I love turni...
Evan Lin

Available

Mastering Engineer
Mastering Engineer, Mixing Engineer, Producer, HMMA Nomination x1 www.evan-lin-music.com/portfolio

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"Si me gusto trabajar con Brayan Bustamante buen trato y buena producción seguire haciendo trabajos con el"
Cristopher @ N/A
Mar 11, 2026
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Ivan @ Nexus Production Group
Mar 10, 2026
"Ed Varga is my go-to guy for Music Composition, Scoring and Sound Design. I've hired him to work on fast-paced political campaigns, independent films and social media content. He has always delivered on-time, within budget and exceed expectations. He is that rare combo of someone who can trust his gut and also follow..."
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Kolmel @ Kolmel Love Productions
Mar 6, 2026
"Working with Daniel on this mantra music was a truly profound experience. From the very first listen, I could feel the intention and care woven into every layer of sound. The music created a safe, grounded space that made it easy to drop into meditation and stay there. There’s something very genuine about the way he..."
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Dan @ Benevolent One
Mar 3, 2026
"I’ve had the opportunity to work with Craig on two very different projects: a documentary film promoting awareness of kidney dialysis and the life-changing impact of live organ transplants, and a media campaign supporting a community orchard initiative for children. In both cases, the final outcomes were significantly..."
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Dr. @ Wood Block Press
Feb 26, 2026
"Reese is a genuine and kind person. As an artist, these are the most important traits when working with an audio engineer. Not to mention, his skills are great. I would highly recommend his studio to everyone of any skill level."
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Feb 26, 2026
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From the blog

Frequently Asked Questions

What does a Mastering Engineer do?

A Mastering Engineer is a vital professional in the music production process responsible for the finalization of audio recordings. Their primary role involves preparing and transferring recorded audio from a source to a data storage device, ensuring the highest quality sound. Key tasks include:

  • Balancing audio levels and frequencies
  • Enhancing sound quality through equalization and compression
  • Creating a cohesive sound for the entire album
  • Preparing the final master for distribution across various formats

Mastering Engineers also ensure that music sounds optimal on all playback systems, from high-end speakers to mobile devices, making their expertise essential for a polished final product.

How to Hire a Mastering Engineer?

Hiring a Mastering Engineer involves several steps to ensure you find the right fit for your project. Start by defining your project needs and timeline. Next, explore platforms like Twine to search for professionals specializing in mastering. Review their portfolios, listen to samples of their work, and read client reviews to assess their skills and style. Once you have a shortlist, reach out to candidates for discussions about your project and their approach. Finally, consider their availability, communication style, and budget before making your decision. This thorough process will help you find a Mastering Engineer who aligns with your vision.

How much does it cost to hire a Mastering Engineer?

The cost of hiring a Mastering Engineer can vary based on experience level:

  • Beginner: $50 - $100 per track
  • Junior: $100 - $300 per track
  • Mid-level (Industry Average): $300 - $600 per track
  • Senior: $600 - $1,200 per track
  • Expert: $1,200+ per track

These rates can fluctuate based on the complexity of the project and the reputation of the engineer. It's essential to budget accordingly and communicate your needs clearly.

What qualities set exceptional Mastering Engineers apart from the rest?

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

  • Attention to detail: Ensuring every nuance of the audio is polished
  • Technical proficiency: Mastery of tools and software used in mastering
  • Strong communication: Ability to understand and implement client feedback
  • Creative vision: Having an artistic ear for enhancing the overall sound
  • Experience: A proven track record with various genres and projects

These traits enable them to deliver high-quality results that elevate music to its full potential.

How do you recognize the perfect Mastering Engineer for your needs?

To recognize the perfect Mastering Engineer, start by reviewing their portfolio to assess their style and quality. Look for engineers who have experience in your genre and have worked on similar projects. Pay attention to client testimonials and feedback to gauge their reliability and communication skills. Additionally, engaging in a preliminary conversation can provide insights into their understanding of your vision and their approach to mastering. A good fit will resonate with your project's creative direction and possess the technical expertise to bring your sound to life.

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

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

  • What is your mastering process, and how do you approach different genres?
  • Can you provide samples of previous work similar to my project?
  • What equipment and software do you use for mastering?
  • How do you handle revisions and client feedback?
  • What is your typical turnaround time for a project?

These questions will help you understand their expertise, workflow, and compatibility with your project.

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

Hiring a freelance Mastering Engineer offers flexibility and often lower costs compared to working with an agency. Freelancers typically have a more personalized approach and can cater to specific project needs. However, they may lack the extensive resources and collaborative teams that agencies provide. Agencies often have multiple professionals, ensuring a wide range of expertise and quicker turnaround times, but at a higher price point. Your choice depends on your project scope, budget, and the level of collaboration you desire.

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

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

  • Project Overview: Brief description of the music and its intended audience
  • Specific Requirements: Details on the number of tracks and any unique requests
  • Timeline: Deadlines for the mastering process and any milestones
  • Budget: Clear indication of your budget range for the project
  • References: Links to tracks that exemplify your desired sound

This information will help potential candidates understand your needs and tailor their proposals accordingly.

How do I hire a Mastering Engineer 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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