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Echo Sports Predictive Network is the world's first sports intelligence progression economy. Fans earn $ECH utility tokens on the Solana blockchain for demonstrating sports knowledge — designed for redemption across real-world rewards, event experiences, boost promotions, and NFT achievement certificates, subject to partner agreement execution. Unlike betting or gambling platforms, Echo Sports users never wager money and never lose tokens they already hold. The platform operates on a zero-loss model: incorrect predictions do not reduce a user's wallet balance — they simply earn less, with 20% of potential earnings redirected as a deflationary burn to the Echo Foundation treasury. Echo Sports is not a prediction market. Not a betting app. Not a fantasy sports platform. It is a skill-based sports intelligence progression economy — the Duolingo of sports knowledge, with DeFi tokenomics, a three-stream revenue model, and real-world rewards. Every fan advances. Nobody loses. 500 million global sports fans who want deep engagement but reject gambling · Zero wallet-balance reduction model: $ECH balance never decreases — potential earnings on wrong picks fuel the community through our 60/20/20 split · EchoRank Intelligence Score: proprietary on-chain progression metric rising with every prediction · Three-stream revenue model: fan paid tier subscriptions, partner $ECH token purchases, and redemption transaction fees — external money flows independent of user growth · DeFi tokenomics: streaks, Power Events, staking, User Appreciation Pool, and burns driving $ECH value · Designed for real-world rewards: targeted hotel, travel, event experiences, and boost promotions · NFT achievement certificates on Solana — verifiable, shareable, permanent · No offseason: Premier League, Champions League, MLB, NFL, NBA, NCAA — layered year-round globally We are seeking a Head of Digital Asset Operating Platform who doesn't just understand blockchain — but believes in its power to disrupt the status quo of how value moves in the world. You will oversee all developer operations and take full responsibility for assembling and leading the initial engineering team. This is not a management-only role. You are the architect, the builder, and the technical north star who will lead the creation of the Echo Solana Devnet from the ground up — ensuring our infrastructure is fast, secure, battle-tested, and ready for global scale.
Project ID: 40332300
58 proposals
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Active 21 days ago
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58 freelancers are bidding on average $666 USD for this job

HELLO, I HAVE EXPERIENCE BUILDING BLOCKCHAIN-BASED APPLICATIONS AND SCALABLE FULL-STACK SYSTEMS AND CAN SHARE RELEVANT PROJECTS I CLEARLY UNDERSTAND YOUR VISION: A SKILL-BASED SPORTS INTELLIGENCE ECONOMY ON SOLANA WITH ZERO-LOSS MECHANICS, TOKENIZED REWARDS, AND REAL-WORLD UTILITY. WITH 10+ YEARS OF EXPERIENCE IN FULL-STACK AND BLOCKCHAIN DEVELOPMENT, I CAN LEAD THE ARCHITECTURE AND BUILDOUT OF YOUR DEVNET PLATFORM — FROM CORE INFRASTRUCTURE TO USER-FACING SYSTEMS. APPROACH → • Design Solana-based architecture (programs, tokenomics, staking, NFT achievements) • Build backend services (Node.js/Rust) for prediction logic, scoring (EchoRank), and reward distribution • Develop scalable APIs + real-time systems for global sports data ingestion • Implement secure wallet integration and transaction flows • Set up DevOps (Docker, CI/CD, monitoring) for production readiness FOCUS → performance, security, and scalability for high user volume and real-time engagement I AM READY TO TAKE FULL OWNERSHIP, BUILD THE INITIAL TEAM, AND EXECUTE FROM DEVNET TO PRODUCTION SCALE I WILL PROVIDE COMPLETE SOURCE CODE, 2 YEARS FREE SUPPORT, AND LEAD DEVELOPMENT END-TO-END I EAGERLY AWAIT YOUR POSITIVE RESPONSE THANKS
$500 USD in 7 days
8.3
8.3

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$500 USD in 7 days
6.5
6.5

Hello There!!! ★★★★ (Build Echo Sports Solana Devnet & mobile platform for skill-based fan engagement) ★★★★ I understand you need a full-stack Solana Devnet and mobile platform where fans earn $ECH tokens via skill-based sports predictions. The project involves zero-loss tokenomics, on-chain progression scoring, NFT achievement certificates, and a three-stream revenue model, all designed for global scale with secure, fast, and battle-tested infrastructure. ⚜ Solana Devnet architecture & smart contract deployment ⚜ Mobile app development (iOS & Android) with intuitive UI/UX ⚜ $ECH tokenomics & staking mechanics implementation ⚜ NFT achievement certificate creation & verification ⚜ Real-world rewards & redemption integration ⚜ Developer team assembly & project technical leadership ⚜ Secure, scalable, and testable infrastructure setup I have experience building blockchain-based DeFi & NFT platforms, integrating tokenomics, and leading dev teams. I’ll architect the Devnet, design core contracts in Rust, and ensure mobile apps align with fan engagement and progression metrics. Looking forward to discussing your vision and timeline. Warm Regards, Farhin B.
$256 USD in 10 days
6.5
6.5

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I recently contributed to a blockchain-based fan engagement platform that integrated tokenized rewards and progressive skill scoring seamlessly on Solana, making it easy for users to participate without risk. From my experience, the key to success in this project is building a robust, scalable, and secure Solana devnet infrastructure that supports seamless tokenomics and user interactions. Approach: ⭕ Architect and develop Echo Solana Devnet with optimized Rust smart contracts. ⭕ Lead engineering team recruitment and development sprints. ⭕ Implement flawless user experience through detailed UX research and intuitive interface design. ⭕ Ensure security, speed, and scalability for global user base. ❓ Could you clarify your preferred timeline for initial devnet milestones? ❓ What are the highest priority features to launch first on the platform? I’m confident my proven skills in blockchain architecture, Rust development, and team leadership make me the ideal candidate to deliver this complex project efficiently and innovatively. Best regards, Nam
$550 USD in 5 days
5.2
5.2

Hello, I am excited about the opportunity to collaborate on the Echo Sports Predictive Network project. Your innovative concept of a sports intelligence progression economy on the Solana blockchain, rewarding fans for their sports knowledge without the risk of losing tokens, is truly groundbreaking. I understand the importance of creating a platform that engages sports fans globally while offering real-world rewards and NFT achievement certificates. As a seasoned developer with extensive experience in blockchain technologies and DeFi tokenomics, I am confident in my ability to contribute to the success of the Echo Solana Devnet. I have a proven track record of leading and building high-performing engineering teams and developing secure and scalable infrastructures. I am committed to ensuring that the platform is fast, reliable, and capable of handling global demand. I am ready to dive into this exciting project and lead the development of the digital asset operating platform for Echo Sports. I look forward to discussing further details and exploring how we can work together to bring this vision to life. Best regards, Justin
$500 USD in 7 days
5.1
5.1

⭐⭐⭐⭐⭐ Build the Future of Sports Intelligence with Blockchain Technology ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a Head of Digital Asset Operating Platform. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects in blockchain development. I will lead the creation of the Echo Solana Devnet, ensuring it is secure and scalable while providing real-world rewards. ➡️ Why Me? I can easily handle your project as I have 5 years of experience in blockchain technology, specializing in digital asset platforms. My expertise includes smart contract development, decentralized applications, and blockchain architecture. Additionally, I have a strong grip on programming languages like Solidity and Rust, ensuring a robust infrastructure for your platform. ➡️ Let's have a quick chat to discuss your project in detail, and I can show you samples of my previous work. I'm excited to explore this opportunity with you! ➡️ Skills & Experience: ✅ Blockchain Development ✅ Smart Contract Creation ✅ Decentralized Applications ✅ Programming in Solidity ✅ Programming in Rust ✅ System Architecture ✅ Tokenomics Strategy ✅ API Integration ✅ Security Protocols ✅ Agile Project Management ✅ Team Leadership ✅ Data Analysis Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
5.3
5.3

Hello, this comes down to architecting a full Solana‑backed backend platform, and I’d solve it by structuring a scalable Devnet environment with robust APIs powering your tokenomics and progression systems. A key risk is ensuring on-chain data integrity while supporting high‑volume global engagement. I’ve built Web3 systems where user progression, token flows, and reward logic were all managed through secure backend services. I’d break this into: - implementing Solana smart contracts in Rust for tokenomics, burns, streak logic, and EchoRank updates - building a secure backend API layer for prediction submissions, reward calculations, and partner integrations - orchestrating Devnet infrastructure with reliable workflows, validation rules, and scaling patterns One insight: your zero-loss model aligns well with off-chain compute + on-chain settlement for speed. Which components of your tokenomics logic do you want computed fully on-chain versus off-chain for performance? Can go deeper on this if useful. , Nemanja
$250 USD in 2 days
4.2
4.2

As a Full Stack professional with over [X years] experience, my team at SoftwareLinkers is well-equipped to handle your project. We have a proven track record of successfully developing scalable web applications using PHP & MySQL, as well as integrating RESTful APIs for mobile and web platforms. Our expertise in building secure digital systems aligns perfectly with the blockchain infrastructure you're looking to establish for Echo Solana Devnet. Moreover, we understand that your aim is not just about the technical aspects but disruptive progress. Our approach dives beyond mere code writing; we dive deep into understanding your business objectives to design and develop reliable solutions that are secure, scalable, and future-ready. In addition, our reputation for delivering on-time with clear communication will ensure efficient coordination as we build the Echo Sports Predictive Network. Lastly, given our versatile experience in diverse industries such as Education, Finance, Logistics, Corporate and Startups – we bring a unique perspective that blends these sectors together. This will be invaluable as we drive the project towards global scale while maintaining its core ethos of being a skill-based sports intelligence progression economy. Let us turn your vision into a reality with SoftwareLinkers by your side!
$700 USD in 28 days
4.2
4.2

Hello there , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Solana, Blockchain, Mobile Development, User Interface / IA, App Development, Rust, Mobile App Development, User Experience Research and Smart Contracts. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Feel free to contact us to discuss your project
$555 USD in 3 days
3.9
3.9

Hi! This is a bold and interesting concept—happy to outline how I’d approach owning and building the platform from the ground up. I’d start by designing a clean, scalable architecture on Solana: core programs for $ECH token logic, reward distribution (your 60/20/20 split), staking, and EchoRank scoring, all separated into modular, auditable smart contracts. The Devnet phase would focus on fast iteration with strong telemetry—simulating prediction flows, reward issuance, burns, and ensuring everything is deterministic, secure, and cost-efficient before mainnet. On the backend, I’d build a high-performance API layer (Node/Nest or Rust-based services) to handle user activity, prediction validation, and off-chain computations, while syncing critical state on-chain. For the frontend/mobile layer, we’d keep UX simple and gamified (Duolingo-style progression), with seamless wallet integration (Phantom/Solflare) and minimal friction for non-crypto users. From an ops perspective, I’d set up CI/CD for smart contracts, automated testing (unit + simulation), monitoring (RPC health, transaction success, latency), and security practices (key management, audits, rate limiting). I’d also recruit and lead a small, high-output team (Solana/Rust dev, backend engineer, frontend/mobile dev) and drive weekly delivery cycles. Happy to go deeper on architecture, token flow, or team setup if you’re moving forward.
$1,500 USD in 29 days
3.9
3.9

yeah building solana devnet infra from zero with token logic and scale constraints ill set up the full solana devnet stack define token flows build core contracts and wire infra for scale and security are you planning custom programs for ech or using spl baseline? any validator or rpc infra preference already? free to start now Devendra
$1,000 USD in 15 days
4.1
4.1

Hey there! I’m beyond excited to take this on! I recently wrapped up a similar project with good results. Drawing from my experience in Mobile App Development, User Interface / IA, Blockchain, Rust, Mobile Development, Smart Contracts, App Development, User Experience Research, Solana, I’m ready to dive into your project. Please come over chat and discuss your requirement in a detailed way. Best, Vishal Maharaj
$500 USD in 5 days
3.2
3.2

Hello dear, I’m a full-stack developer with 10+ years of experience in web and blockchain development, including DeFi applications and Solana-based projects. I understand you’re seeking a Head of Digital Asset Operating Platform to architect and lead the Echo Sports Solana Devnet from the ground up, ensuring secure, scalable, and high-performance infrastructure for a global user base. I have experience building tokenized ecosystems, smart contracts, and real-time user progression systems, integrating NFTs, staking mechanics, and DeFi tokenomics. Beyond coding, I excel at designing robust architecture, managing developer operations, and guiding engineering teams to deliver complex blockchain platforms on schedule. I’m ready to lead, build, and scale your zero-loss, skill-based sports economy with precision and reliability. Best regards, Md Ruhul
$250 USD in 7 days
5.0
5.0

★•══•★ Hi client ★•══•★ I’m Rico Navarro Pasion. Please call me “Passion,” just like my last name. I bring over 10 years of experience in web, mobile, and blockchain development. I’ve led complex blockchain and DeFi projects from architecture to deployment, creating scalable apps with secure smart contracts, tokenomics, and real-time analytics. For example, I worked on a blockchain-based loyalty and rewards platform with staking, NFT achievements, and token distribution across multiple streams, all optimized for high user engagement and security. For your project, I will design and implement the Echo Solana Devnet, lead the initial engineering team, and oversee infrastructure, smart contracts, and user-facing apps. The platform will follow best practices in Rust, Solana development, and DeFi tokenomics, ensuring speed, security, and readiness for global scale. Estimated timeline: 6–8 weeks for initial Devnet + core platform setup. Proposed budget: $4,500 USD. Given the opportunity to apply my expertise, I am confident I will deliver a secure, scalable, and production-ready platform on time and within budget. Let me know once you’re ready to start this. Best regards, Rico Navarro Pasion
$4,500 USD in 60 days
3.0
3.0

Hello, I can deliver what you need. I went through your project details and found that I worked on almost the exact same task about two months ago. I am a skilled freelancer with 6+ years of experience in Blockchain, Solana and I can deliver the results as quickly as possible. Please visit my profile to check the latest work and honest client reviews. Looking forward to working with you, connect in chat. Talk soon.
$750 USD in 7 days
2.6
2.6

Hi there, Echo Sports is an incredibly compelling vision and I genuinely resonate with the idea of a skill-based, zero-loss sports intelligence economy powered by blockchain. This is exactly the kind of product where strong technical leadership and thoughtful architecture can make a massive impact. I’m a full-stack blockchain developer with hands-on experience in building scalable systems, smart contracts, and DeFi-driven platforms, and I approach roles like this as both a builder and a long-term technical partner. I’m confident in leading the development of your Solana-based infrastructure from the ground up, including designing secure and efficient smart contracts in Rust, structuring tokenomics logic (staking, rewards, burn mechanisms), and ensuring seamless integration with mobile/web applications. Beyond development, I have experience assembling and guiding engineering teams, setting coding standards, and creating systems that are production-ready and scalable. I particularly appreciate your focus on non-gambling engagement and real-world utility, and I would bring both technical depth and product thinking to help translate that vision into a robust platform. I’m ready to take ownership of the architecture, developer operations, and team direction, and I’d be excited to help build Echo into a global category-defining product.
$650 USD in 7 days
2.4
2.4

How do you do? Your vision for Echo Sports is powerful and clearly differentiated. I understand that this is not a betting product, but a skill-based sports intelligence ecosystem powered by Solana, zero-loss progression logic, and real-world utility around $ECH. That kind of platform needs a technical leader who can think in product, tokenomics, infrastructure, and execution at the same time. My background is in full-stack platform development, mobile systems, backend architecture, and scalable product delivery. I can contribute strongly to building the technical foundation for a Solana-based ecosystem, assembling the first engineering workflow, and turning the MVP into a secure, investor-ready platform. I am comfortable leading architecture decisions, defining build priorities, and working hands-on across backend, APIs, mobile integration, admin systems, and technical operations. What I would bring: scalable platform architecture for mobile + backend + blockchain integration practical leadership in building the first engineering structure and delivery process strong product mindset for user progression, rewards, and real-world partner flows focus on security, reliability, and maintainable code from day one ability to align technical buildout with business goals and growth readiness I am especially interested in projects that aim to reshape user engagement through meaningful digital ownership and utility. Echo Sports has that kind of potential. Sihalath S
$500 USD in 7 days
2.3
2.3

Hello there, I hope you are doing well. I’m an independent developer with deep expertise in blockchain, Solana, Rust, and full-stack app development. I design fast, secure, and user-centric interfaces while architecting scalable on-chain systems. My approach blends solid engineering with a clear product sense, ensuring the Echo Solana Devnet is resilient, fast, and ready for global scale from day one. I’ve led complex on-chain projects and Devnet builds where performance, security, and deterministic outcomes mattered most. I’ll apply best-practice smart contracts, robust mobile interfaces, and thoughtful UX to deliver a zero-loss experience, fast consensus, and seamless tokenomics integration. I’ll own the architecture end-to-end, not just manage a team, and I’ll keep you ahead with clear milestones and risk-minded planning. I can handle the work based on my hands-on experience and the design goals you’ve outlined, delivering a clean, secure, and production-ready solution. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$450 USD in 5 days
2.0
2.0

Hi there, I'm Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and as a senior full-stack and AI engineer, I have the proven experience needed to deliver this successfully, so I have strong experience in Mobile Development, Mobile App Development, User Interface / IA, App Development, Solana, Blockchain, User Experience Research, Rust and Smart Contracts. I’m available to start right away and happy to discuss the project details anytime. Looking forward to speaking with you soon. Best regards, Kristopher Kramer
$500 USD in 7 days
1.8
1.8

Hi, I am Vasyl, a seasoned developer with over 8 years of experience in Blockchain, Mobile App Development, React, Angular, and Node.js. I have carefully reviewed the requirements for the "devnet app" project and am confident in my ability to deliver a top-notch solution. I specialize in Node.js backend and frontend technologies such as Cordova, React, Vue, and Angular, particularly in B2B/B2C SAAS and marketing tools. I can lead the development of the Echo Solana Devnet, ensuring a fast, secure, and scalable infrastructure. My approach includes thorough analysis, agile project management, tech stack selection, API design, and seamless integration. Let's discuss how I can bring your vision to life. Looking forward to chatting further. Thanks, Vasyl
$600 USD in 7 days
1.4
1.4

Birmingham, United States
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