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Marketing and ecosystem leader known for building trusted relationships, scaling communities, and launching programs that accelerate growth. I bring a strategic mindset combined with operational execution, helping organizations connect product, partners, and users into a cohesive growth engine. My work focuses on turning networks into thriving ecosystems that deliver measurable impact.
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I am a Serbian, English and Russian speaker, with interest in web3 and experience providing excellent customer support, pursuing a career in this field.

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I am a Master's student in Financial Economics with a strong foundation in traditional finance, banking, and project management, complemented by hands-on experience in the blockchain and Web3 space. My academic and professional journey has shaped a unique perspective at the intersection of traditional finance and decentralized finance (DeFi), and I am passionate about bridging these two worlds.I aim to build a career that integrates margin traditional finance expertise with innovative DeFi solutions, exploring how blockchain technology can enhance financial operations, risk management, and investment strategies. With practical experience in project and portfolio management, coupled with deep knowledge of cryptocurrencies and decentralized protocols, I am eager to contribute to forward-thinking teams that are redefining the future of finance.


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β¨ With 9 years of experience in graphic design, UI design, and presentations, Iβm confident I can bring a fresh and polished touch to your vision.π― I believe in combining creativity with a strong work ethic, and Iβm committed to delivering designs that not only meet but exceed your expectations. You can count on a modern, high-quality result that you'll love.
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8" /> <title>Rivaldo β Technical Portfolio</title> <link rel="icon" type="image/x-icon" href="favicon.ico"> <link rel="apple-touch-icon" href="/favico.png"> <link rel="stylesheet" href="style.css" /></head><body> <div id="matrix"></div> <div class="app-container"> <div class="card"> <header> <h1>Rivaldo Portfolio</h1> <h2>System Architect for Web3</h2> </header> <section> <h3>Focus</h3> <ul> <li>Secure system architecture</li> <li>AI as middleware (not decision-maker)</li> <li>Privacy-aware data design</li> <li>Web3 read-only integration</li> </ul> </section> <section> <h3>Skillset</h3> <ul> <li>Python (FastAPI, system logic)</li> <li>JavaScript (frontend logic, Web3 read-only)</li> <li>System architecture & data boundaries</li> <li>Web3 integration</li> <li>Privacy-aware design</li> <li>AI as evaluation middleware</li> </ul> </section> <section> <h3>Technical Proof</h3> <p class="desc"> This demo shows a privacy-aware system flow. Raw user data stays on the server. The UI only receives a controlled summary. </p> <div class="form"> <input id="amount" type="number" placeholder="Amount" /> <input id="category" type="text" placeholder="Category" /> <button onclick="sendData()">Test System</button> </div> <pre id="result">Result will appear here</pre> </section> <section> <h3>System Principles</h3> <blockquote> βA good system helps users pause and evaluate, not react impulsively.β </blockquote> </section> </div> </div> <script src="matrix.js"></script> <script src="script.js"></script></body></html>
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Business Development & Sales Professional | Partnerships | Commercial Growth Iβm a results-driven Business Development and Sales professional with strong experience building client relationships, driving revenue, and opening new markets across construction, recruitment, and commercial environments. Throughout my career, Iβve worked closely with decision-makers, site managers, subcontractors, and senior stakeholders, developing trust-based partnerships that convert into long-term business. Iβm known for my ability to communicate clearly, identify client needs quickly, and present solutions that create real value rather than just push a product. My strengths sit in new business acquisition, account management, negotiations, and pipeline growth β consistently generating opportunities through proactive outreach, networking, and strategic follow-up. Iβm now focused on expanding into high-growth sectors such as Web3 and technology-driven markets, where strong relationship building, partnerships, and commercial strategy are key to scaling projects and ecosystems. I bring a fast-learning mindset, proven sales ability, and the confidence to engage with founders, developers, and commercial teams to drive growth.

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I am a developer in training with a strong focus on Blockchain, Web3, and DeFi, currently building solid technical and practical experience through hands-on projects and continuous learning. I have around 1 year of active, project-based experience, combining study, experimentation, and real-world development. I work with Solidity, smart contract fundamentals, basic DApp integration, GitHub version control, and blockchain testing environments. I have a strong interest in DeFi protocols, on-chain data analysis, DApp testing, and validating smart contract logic and security at a junior level. I completed a Developer with AI program at Worcana, where I built real systems and participated in paid projects. I use Artificial Intelligence strictly as a support tool, not as a replacement for technical reasoning β all code is manually reviewed, tested, and validated to ensure clarity, correctness, and security. I am highly comfortable with technical research, documentation, and testing, and I learn quickly in fast-evolving environments. I am currently seeking remote international internships or junior opportunities, especially in Web3 and Blockchain, where I can gain deeper real-world experience while contributing responsibly to meaningful projects. I believe in steady growth, clean code, and long-term learning.

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I am a Blockchain Developer with 6+ years of hands-on experience designing and deploying secure, production-ready smart contracts for staking, incentives, NFTs, and Web3 applications. Led V1-to-V2 protocol migrations, developed staking systems, and built Layer 2-compatible solutions on Optimism and Arbitrum. Strong expertise in smart contract architecture, blockchain infrastructure, and collaborating with global teams to deliver scalable DeFi products.
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Senior Backend and Blockchain Engineer with 5+ years of experience building scalable backend systems, microservices, andblockchain infrastructure focusing on high-availability, performance, and security. Strong expertise in Rust, Go, and Node.jswith production deployments on AWS and Kubernetes.

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I am a Marketing manager based in Mongolia who have 9 years of experience working with international companies and local group companies, and believes in web3 is the future

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Customer Success Manager with more than 5 years of experience inbusiness development, Customer Success/support and team building.

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Web3 Finance Specialist with hands-on experience managing full-cycle DAO and crypto accounting, financial reporting, and crypto asset management.Skilled in integrating data across traditional and decentralized finance systems, using Web3 platforms, APIs, and various accounting tools. Passionate about bringing accuracy, structure, and transparency to crypto finance - covering transaction processing, off-ramp settlements, KYC/KYB compliance, audit preparation, and management reporting.


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Passionate Web3 enthusiast with hands-on experience building on Solana blockchain and developing decentralized applications. Currently developing a Solana-based radio platform with custom tokenomics, demonstrating deep understanding of blockchain architecture and smart contract development.Active in the crypto community through hosting 'Broken Ledgers' podcast exploring blockchain ecosystems, economic systems, and Web3 innovations. Strong technical curiosity with experience investigating protocol mechanics, on-chain data, and decentralized systems.Proficient in navigating multi-chain environments including Solana, Ethereum, and understanding cross-chain concepts. Experienced with developer tools, GitHub collaboration, and technical documentation. Comfortable troubleshooting complex technical issues and translating technical concepts for diverse audiences.Based in South East England (GMT timezone) with proven ability to thrive in fast-paced, remote-first environments. Strong communicator with customer empathy honed through customer success roles and community engagement in Web3 spaces like Clubhouse and Crypto Vagabonds.Eager to help Dune's users unlock the power of on-chain analytics and contribute to making crypto data accessible to the global community.
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My roles involve engaging communities on Discord and twitter, moderating discussions, creating content (memes and videos), running campaigns and events, analyzing metrics, and bridging feedback to teams for growth and retention.


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Software Engineer Javascript, PHP, Rust, Go with 4 Years of experience at Multinational Company from Indonesia and Singapore.

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Customer-focused technology specialist with 6+ yearsβ experience supporting Microsoft Cloud solutions, managing customer escalations, and driving high-quality issue resolution. Ski led in handling end-user incidents, troubleshooting technical challenges, and coordinating with cross-functional engineering teams to ensure timely recovery of service-impacting issues. Adept at clear communication, structured case management, and delivering excellent customer experience through proactive updates and empathy-driven engagement. Strong background in Microsoft 365, Azure, digital transformation, and stakeholder management.

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Senior Customer Support and Web3 operations professional with 6+ years of experience supporting users, resolving complex issues, building workflows, coaching teams, and creating clarity in fast-moving environments. Crypto-native on Solana since 2021 β with deep understanding of wallets, transactions, communities, bots, automations, and user flows. I excel at turning chaos into structure, providing clear and empathetic communication, and creating systems that scale. I thrive in high-ownership, remote-first, async-friendly teams.
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I'm a Web3 marketing strategist focused on helping crypto projects translate technical complexity into clear, compelling narratives that drive growth.Over the past 2 years, I've worked with DeFi protocols, DePIN platforms, and Web3 infrastructure companies on positioning, community building, and content strategy. My approach combines strategic thinking (understanding market positioning and competitive differentiation) with hands-on execution (writing, social media, community management).I specialize in institutional-focused crypto projects - helping technical teams communicate their value to investors, enterprises, and mainstream audiences who need education before adoption. Currently researching community retention strategies in DeFi and producing industry whitepapers.
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