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We are looking for a Belgium-based technical partner with expertise in JUCE programming and software development, capable of handling complex audio workflows, real-time performance, metadata management, UI/UX design, and scalable application structures. The ideal candidate values reliability, stability, and long-term maintainability in professional audio tools. This is not a small or simple app idea; the framework exists and is ready for implementation. The opportunity involves joining as a technical co-founder under a negotiable minority equity/IP-sharing agreement. Please note that the pre-mentioned budget (€10,000.00 – 20,000.00 EUR or more) is only an estimation of the potential share and sales-based revenue. There are no fixed payments involved; all shares and income are directly tied to sales performance. However, given the strong marketing strategy, clear market gap this project addresses, and our proven track record in delivering successful ventures, there is significant potential for high revenue generation. Detailed information on the concept, feature logic, architecture, roadmap, and market positioning will only be shared after signing a basic non-disclosure agreement (NDA) to protect original product ideas and invested time. The project addresses a clear market gap by creating tools that make advanced audio formats and workflows more practical and usable in real-world professional contexts. Potential markets span professional audio software, immersive audio, DJ/performance tools, live events, fixed installations, broadcast/media production, education, creative technology, architectural soundscapes, and experiential environments. The goal is to bridge fragmented tools across these domains into a unified solution designed from a performer/user workflow perspective.
Project ID: 40465734
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44 freelancers are bidding on average €14,813 EUR for this job

Hello, We've thoroughly reviewed your project details and understand you're seeking a technical co-founder for an immersive audio app. The requirements for JUCE programming, complex audio workflows, and robust software development resonate well with our expertise. In a prior project, we successfully developed an AI-driven audio processing tool that enhanced real-time performance and metadata management, similar to the immersive audio environment you're aiming to create. Our comprehensive skills in software architecture, C++ programming, and audio engineering assure a seamless development process. With over 8 years of experience and having served 200+ clients, our track record speaks for itself. Our proficiency in building scalable applications, coupled with our AI-first approach, ensures we can bring your vision to life with reliability and long-term maintainability. We invite you to reach out and discuss this exciting opportunity further. Upon receiving more specific project details, we can deliver a tailored proposal within 24 hours. Looking forward to the possibility of collaborating. Best regards, Puru Gupta Top 1% on Freelancer.com
€20,000 EUR in 50 days
7.6
7.6

Hi there, Reviewed your requirements — building an immersive audio app with JUCE is right in our wheelhouse. We've done extensive work with C++ audio processing and DSP implementations, so the technical foundation you need is something we handle regularly. One thing I noticed: you're looking for a true technical co-founder, not just a contractor. That's a different engagement, and I want to make sure we're aligned on what that means for you. Got a couple questions — what's your timeline looking like, and are you bootstrapped or funded? I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Thanks, Hasan
€10,000 EUR in 60 days
7.7
7.7

Hello, Drawing on my extensive experience in software development, particularly in C++ programming and using frameworks like Juce, I am confident in my ability to spearhead this immersive audio app project. Not only have I built various standalone audio applications before, but I've also honed my skills in spatial audio and immersive soundscapes - a perfect fit for your project. Having worked on intricate projects such as AI platforms and embedded hardware systems, I'm well-equipped to design high-quality, efficient audio algorithms tailored to your specific needs. In addition to my strong technical background, your terms of payout by share on sales and negotiable IP share align perfectly with my value of long-term partnerships and commitment to creating exceptional products. I am also willing to sign an NDA before disclosure, ensuring the confidentiality of your concepts throughout the project. Moreover, by being based in Belgium, Europe, I offer the added benefit of proximity with regards to communication, which is crucial for timely delivery and effective collaboration. My passion for blending science with art and my proven track record for transforming complex ideas into successful systems make me the best fit for this project. Let's create an enchanting immersive audio app together. Thanks!
€20,000 EUR in 4 days
7.4
7.4

With over a decade of experience in immersive audio technologies and high-scale systems, I understand that your goal is to develop a standalone audio processing application focusing on immersive audio using the Juce framework. My background in building high-security systems for over 1 million users directly applies to the complexities of creating efficient and high-quality audio algorithms for your project. To ensure scalability and efficiency in your immersive audio app development, I recommend implementing a modular design approach for easy integration of new features. With my successful track record of building Telegram Mini Apps serving over 1 million users, I am confident in my ability to handle the intricacies of this project. I encourage you to reach out to me to discuss how we can collaborate on the roadmap for your immersive audio app development. Let's work together to create a revolutionary audio experience for your users.
€16,000 EUR in 75 days
7.2
7.2

We have strong experience in audio app development — spatial audio, real-time DSP, and immersive listening experiences across iOS and Android. We've built apps using Core Audio, AVAudioEngine, and Web Audio API, and understand the technical complexity of delivering high-fidelity, low-latency audio at scale. Beyond the build, we can contribute to product decisions and architecture as a long-term technical partner. Happy to discuss your vision in detail.
€13,000 EUR in 21 days
7.0
7.0

Since 2003 I am working in Digital Electronic. So more than 18 years of experience in Electronics. Arduino NANO/UNO/MEGA, ESP32 and Raspberry PI to build a digital device to read sensor data and send it to the web server, motor control, control relay switches and LEDs. More than 5(five) years of experience in Arduino design and build. If you want an excellent and error-free project delivery, then send a message to me, please. Have more than 10(years) years of experience in C/C++ to build Windows/Linux applications and micro-controller firmware building. If you want a good job delivery, then send a message to me, please. Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE. Since 2015 I have been working in C/C++/C# programming and 10(ten) years of experience in C/C++/C# programming. Windows Desktop Application, Console Application, Image Processing and have knowledge in Driver Development in C. Expert in data structure building and Object Oriented Programming (OOP). Have a great experience in C++ MFC and C++ WinUI 3 for GUI design and development. Also expert in C/C++ GPU CUDA programming. If you want a good delivery of the project, then send me a message, please.
€20,000 EUR in 90 days
6.9
6.9

Hello, {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}}} I have carefully reviewed your project vision and understand the complexity and long-term potential of the immersive audio platform you are building . I have 10+ years of experience in software development, scalable application architecture, real-time systems, and advanced UI/UX implementation for high-performance applications. Your concept of unifying fragmented immersive audio workflows into a professional, workflow-driven solution is highly promising, and I would be interested in contributing as a long-term technical partner. I am confident in handling complex development requirements including real-time performance optimization, metadata management, scalable architecture, and cross-platform application development with strong focus on maintainability and stability. I am comfortable working under NDA and understand the importance of protecting intellectual property and product direction. We can work using agile methodology with structured milestones, roadmap planning, iterative implementation, testing, and long-term technical collaboration. I will provide complete source code, structured documentation, ongoing technical support, and assistance from development to production deployment. I also offer 2 years of free ongoing support for technical maintenance and improvements after launch phases. Thanks Christina
€10,000 EUR in 7 days
6.6
6.6

Hi, this reads less like a prototype and more like a professional audio product that will live or die on workflow reliability, and that is the part I usually focus on first. The real engineering risk is not feature count; it is keeping real-time behavior, metadata integrity, and UI state coherent under live-use conditions as the product grows. I’ve built several production systems where multiple media and control layers had to stay synchronized without becoming fragile. The closest match here is TikTok AI Livestream Setup, where low-latency audio flow and cross-system coordination mattered, along with Custom Feature Development & Integration, where I stepped into an existing codebase and reworked structure for maintainability. For a product like this, I typically design clear boundaries between the real-time engine, metadata/state layer, and operator-facing workflow layer so performance-sensitive paths stay isolated from UI and business logic. Even outside LLM systems, I apply the same reliability mindset: deterministic state transitions, failure recovery paths, test coverage around edge-case flows, and explicit handling for device/session changes. If useful, I can review the current framework and sketch the highest-risk architectural seams before implementation expands further. Thanks, Hercules
€15,000 EUR in 7 days
6.3
6.3

Having worked extensively in the field of embedded systems, firmware development, and software engineering, I know how crucial it is to deliver reliable, long-lasting products for professional use. I have a deep-rooted understanding of JUCE programming and proficiency in C++, both essential for complex audio workflows. My significant experience in Digital Signal Processing (DSP) only further strengthens my ability to handle intricate audio functionalities. In addition to my technical prowess, my proven track record in building complete intelligent products aligns perfectly with this project's requirements. From hardware and PCB designs to firmware development and mobile app integration, I have successfully delivered end-to-end solutions just like yours. With the given opportunity as a technical co-founder and knowing that all shares and income are directly tied to sales performance, you can be assured of my dedication and commitment towards creating a scalable application structure that meets your expectations.
€18,000 EUR in 60 days
5.9
5.9

As a highly adaptable and experienced programmer, I am confident that I possess both the necessary skills and the passion to excel in your project. My strong background in C++ is the foundation for my expertise in Juce and audio processing. I have not only developed various standalone audio applications but also grappled with immersive audio technologies and productive audio algorithms throughout my career. Moreover, my training in software engineering intermingled with important software such as Wireshark have equipped me with a strategic approach to problem-solving that is vital in efficient and high-quality programming. Additionally, my strong inclination towards cybersecurity reinforces my dedication to data security- something I believe cannot be overlooked when discussing ownership percentage. I'm also open to signing any NDA before project commencement.
€18,633.33 EUR in 2 days
5.4
5.4

Hey, Your vision for an immersive audio app specifically targeting the unmet needs in professional audio workflows really energizes me. With extensive expertise in JUCE programming and a solid background in managing complex audio applications, I am confident in bringing reliability, stability, and scalability to your project. My experience includes advanced audio processing, UI/UX tailored for performers, and long-term maintainable architectures, all crucial for a high-impact product like yours. Joining as a technical co-founder under your equity-sharing model aligns perfectly with my passion for innovation and commitment to quality. I am ready to engage fully after NDA execution, ensuring complete confidentiality while diving deep into your roadmap and architecture. Let's establish a timeline for NDA signing and initial discussions to launch this game-changing app together. What are the key milestones and deliverables you envision after joining as the technical co-founder? Thanks,
€16,650 EUR in 28 days
5.1
5.1

Hi, With an illustrious career spanning over a decade in software application development for renowned companies, I am Johib—your potential technical co-founder. My core strengths exactly align with your project requirements to not only understand complex audio workflows but also to build reliable, maintainable, and scalable software solutions. In particular, my expertise in JUCE programming and UI/UX design coupled with 15+ years focusing on problem-solving and system design can be invaluable for your immersive audio app project. I've specialized in building high-performance, event-driven systems—a skillset that aligns strongly with real-time performance and metadata management that your project demands. Moreover, some of the most demanding industries I’ve served throughout my career including fintech and SaaS trading platforms have equipped me with a disciplined approach towards code efficiency, scalability, and security. I am confident that I can turn your visionary framework into an executable reality while maintaining long-term reliability. But the true testament to my capabilities lies in my portfolio & live applications. Repositories like GitHub and projects such as Moneybox, Appwise, and Serbob are a clear reflection of my commitment to quality workmanship—blending efficient coding & performance optimization with robust backend systems & secure front-end designs.
€15,000 EUR in 60 days
4.7
4.7

Greetings! I am interested in joining as a technical co founder under minority equity or IP sharing agreement tied to sales performance. I will sign an NDA to receive detailed concept and architecture. Please share the NDA. Thanks, Revival
€10,000 EUR in 30 days
4.4
4.4

Hello, I would like to request a discussion meeting to align on your audio platform vision and understand the technical direction before moving into deeper collaboration. I have strong experience in audio related software development, including real time processing systems, structured metadata handling, and performance sensitive applications where stability and precise timing are critical. I have also worked on interface design for complex systems where user control and clarity must stay consistent under demanding workflows. For your project, I would like to better understand the current architecture you already have in place, especially how JUCE components are structured and how audio workflows are expected to interact with metadata and UI layers. It would also be helpful to clarify your expectations around long term extensibility and performance boundaries. In our discussion, I can share relevant experience with audio focused systems and explain how I approach maintaining stability in real time environments while keeping the structure easy to extend for future features and professional use cases. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
€15,000 EUR in 7 days
4.3
4.3

Your project sounds highly interesting, especially the focus on unifying advanced audio workflows into a stable and scalable professional platform. I have strong experience with complex software architecture, real-time systems, performance-focused development, and long-term maintainable application design. My approach would be to structure the JUCE-based framework with modular audio processing layers, scalable UI architecture, metadata-driven workflow management, and optimized real-time performance suitable for professional production environments. I also understand the importance of reliability and low-latency behavior in audio applications, especially when dealing with live performance, immersive audio workflows, and cross-domain integration. The focus would be on creating a flexible architecture that can evolve cleanly as new workflows, devices, and formats are introduced. I’m comfortable working under NDA and reviewing deeper technical specifications, roadmap details, and business structure discussions before moving into implementation planning.
€15,000 EUR in 7 days
4.0
4.0

Hi there, Navigating the complexities of immersive audio development can be daunting, but with my extensive expertise in the Juce framework, I can streamline this process for you. Many encounter challenges with algorithm efficiency and user interface responsiveness, potentially derailing project timelines. However, my background in spatial audio and algorithm design directly tackles these issues, ensuring a smooth development cycle and high-quality output. Here are my questions to better tailor my approach: What specific immersive audio technologies are you looking to integrate? Could you share more about your vision for the user interface's functionality and design? Drop me a message so we can get started right away.
€10,000 EUR in 45 days
3.5
3.5

Hi there, As an audio-centric software developer who specializes in C++ programming and app prototyping, I am thrilled about the opportunity to collaborate on your immersive audio application. My skillset aligns perfectly for this project, having a deep understanding of Juce framework, audio processing, and designing efficient algorithms. I have hands-on experience developing standalone audio applications that handle complex soundscapes, including spatial audio and immersive sound technologies. This background ensures my ability not only to interpret your vision correctly but also to implement it in the most user-friendly and responsive manner possible.
€15,000 EUR in 3 days
2.7
2.7

Hey, there With over a decade of experience in software development, I am ecstatic about the opportunity to partner up as a technical co-founder for your immersive audio app. My expertise lies in not just JUCE programming, but also in various other aspects that your project requires. These range from proficiently handling complex audio workflows and real-time performance to metadata management and UI/UX design. I have substantial experience in building scalable application structures that prioritize reliability, stability, and long-term maintenance - crucial qualities when constructing professional audio tools. Moreover, understanding the unique nature of this partnership opportunity, I am more than ready to take on this venture under a negotiable minority equity/IP-sharing agreement. Given my strong market positioning and history of turning ideas into successful products, I am confident in my ability to contribute significantly to your project's success - thereby ensuring substantial revenue generation for both parties involved. Rest assured, all ideas and invested time will be respected and protected through a non-disclosure agreement (NDA) as I genuinely understand and value their importance. Whether it's dealing with fragmented tools or ensuring unified solutions for divergent domains Ian Castilo
€15,000 EUR in 50 days
0.0
0.0

Hello, this reads less like a prototype and more like a professional audio product where the architecture has to survive real-world workflow complexity, and I’ve built systems in that category. The main engineering risk is not feature count; it’s keeping real-time behavior, metadata integrity, and UI state coherent as the workflow expands across editing, playback, and interoperability boundaries. The closest match is AI Translator Plugin, where I handled JUCE-based, low-latency audio behavior for live environments and had to design around reliability under production conditions. Enterprise ProxyTool Client App is also relevant from an architecture standpoint because the system was split into clear runtime boundaries for performance and maintainability. I usually structure products like this by separating the real-time engine, session/model layer, and UI/application services so timing-sensitive paths stay isolated from heavier workflow logic. That tradeoff matters if the product needs to scale in capability without destabilizing playback behavior. For a tool like this, I’d want clear rules around state ownership, metadata lifecycle, recovery behavior, and testability under long sessions. If useful, I can sketch the core application boundaries and identify the failure points I’d validate first after NDA. Clifton
€20,000 EUR in 7 days
0.0
0.0

With over a decade of experience as a software architect and C++ programmer, I believe I am well-equipped to contribute to this immersive audio app as your technical partner. I understand the immense potential a streamlined, versatile audio tool holds, especially for professional users spanning a range of contexts. Being well-versed in JUCE programming, I've handled and thrived amidst complex audio workflows, real-time performance demands, metadata management, UI/UX design, and scalable application structures - all of which align with your project's requirements. In addition to technical skills, my commitment to reliability and long-term maintainability makes me an ideal partner for this project. I understand that the digital landscape moves rapidly; therefore, stability and adaptability are paramount traits when it comes to crafting professional audio tools. I value these traits highly in my work and actively seek out ways to optimize performance without compromising stability. I’m also attracted to the entrepreneurial spirit your project carries. As someone who has successfully designed and delivered several ventures, I see great potential in scaling this app for various markets. The beauty of your proposal is that it offers more than just a fixed payment; it presents an opportunity for true equity and true ownership.
€15,000 EUR in 5 days
0.0
0.0

Mettekoven, Belgium
Member since May 24, 2026
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