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JUCE Developer

Contract basis

We’re building free, high-quality audio plugins — want to help?


We're looking for a collaborator experienced with JUCE and VST plugin development.

You don’t need to be a senior, but you should be comfortable working with JUCE.

What’s unique: our first plugin is already mostly developed in another language.

Your initial role will be to translate/port it to a JUCE-based VST3 (AU is a bonus) with feature parity.

How the project works (community-first):

The plugins themselves will be FREE for everyone. To support development, we’ll offer an optional paid tier with extra presets and a voluntary donation button — totally up to users if they want to chip in.

Any income from presets/donations is split via a clear revenue share.

If our collaboration goes well, you’ll be invited to collaborate on the upcoming full suite of plugins going forward.

Interested?

Email your CV and a short intro about your experience to jobs@mercurialtones.com.

Links to GitHub/portfolio and any JUCE/VST work are a big plus.


All backgrounds welcome ❤️

 

Full job/collab description

Role: JUCE / VST Plugin Developer (Collaboration, Revenue-Share)
Focus: Ship high-quality, community-first audio plugins
Compensation: Transparent revenue share from optional paid preset tier + voluntary donations (core plugins are free)
Model: Community-supported (similar spirit to Vital: free core, optional paid extras)

What you’ll do

  • Port an existing plugin: the first plugin is mostly implemented in another language; your primary task is to translate/port it to C++ using JUCE as a VST3 (AU nice to have) with faithful behavior and performance.
     

  • Implement clean parameter handling, preset management, state saving, and a responsive UI.
     

  • Verify feature parity (A/B tests), handle edge cases (denormals, latency considerations, oversampling if relevant), and optimize for real-time use.
     

  • Collaborate on DSP, UX, and sound-designer-friendly workflows.
     

  • Help lay foundations for a suite of future plugins.
     

Our community & compensation model (clear and simple)

  • Free for all: the plugin binaries are free to download and use.
     

  • Optional support: users can buy extra preset packs and/or donate if they like the tools.
     

  • Revenue share: income from presets and donations is shared transparently with collaborators. We’ll agree on a clear split per plugin in writing and provide regular reports.
     

  • Path to long-term collaboration: if the first release goes smoothly and we’re both happy, you’ll be invited to continue across the whole plugin suite.
     

What you should bring

  • Solid experience with JUCE and modern C++ for audio.
     

  • Comfort reading and porting code across languages (translating DSP/math, parameter maps, modulation, state).
     

  • Shipped or demonstrable projects (GitHub, portfolio, or binaries).
     

  • Practical knowledge of plugin lifecycle, state management, cross-platform quirks, and testing across DAWs.

     

Why join

  • Community impact: high-quality tools, free for everyone.
     

  • Shared upside: transparent revenue share from optional presets/donations.
     

  • Creative room: real influence on features, sound, and UX.
     

  • Growth path: strong chance to collab on the full suite after the first release.
     

How to apply

Send your CV and a short description of your experience and yourself to jobs@mercurialtones.com.
 

Applications are reviewed on a rolling basis.
Questions? Ping me — and feel free to share with anyone who might be a great fit!

Like Mercury, the planet, we are split into two. One half of us freezes in endless darkness, while the other half glitters with a perfect shade of orange under the rays of our one and only sun. We thus become the Mercurials. We live through different tones of life, swinging from ice to fire. Mercurial Tones is a music academy that seeks to unearth this cacophony of emotions so as to be able to express them without losing their overwhelming sway. 

We are an electronic music academy, a musical software supplier, a digital music label and an online store for music production tools.

Mercurial Tones

   Stockholm

     Sweden

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