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Experienced Blockchain & Bot Developer with a proven track record in building secure smart contracts, DeFi protocols, and advanced trading bots. I specialize in Ethereum, Binance Smart Chain, Solana, and Bitcoin (Ordinals, BRC-20), delivering robust decentralized solutions tailored to your business needs.

? **What I Offer:**
✅ **Smart Contracts & DeFi:** Secure, gas-optimized contracts (ERC-20, ERC-721, ERC-1155, BRC-20)
✅ **Web3 Integration:** Seamless dApp connections using Wagmi, Ethers.js, Web3.js
✅ **Trading Bots & Arbitrage:** MEV, sniper, and high-frequency trading strategies
✅ **Automation & AI Bots:** Telegram bots, Discord bots, data scraping, automation tools
✅ **Security & Audits:** Mitigating reentrancy, flash loan attacks, and smart contract vulnerabilities

?️ **Tech Stack:**
? **Languages & Frameworks:** Solidity, Rust, Vyper, Hardhat, Foundry
? **Web3 Tools:** Web3.js, Ethers.js, Wagmi, Next.js, React
? **Backend & Databases:** Node.js, Python, Prisma, PostgreSQL, Redis
? **Specialties:** Smart contract audits, gas optimization, on-chain data analysis

I deliver clean, efficient, and well-documented code, always staying ahead with the latest blockchain trends. Whether you need custom smart contracts, DeFi solutions, or high-performance trading bots—let’s turn your ideas into reality.

✉️ **Ready to start? Let’s discuss your project today!*","rawText":"? **Blockchain & Bot Developer | Smart Contracts | DeFi | Trading Bots** Experienced Blockchain & Bot Developer with a proven track record in building secure smart contracts, DeFi protocols, and advanced trading bots. I specialize in Ethereum, Binance Smart Chain, Solana, and Bitcoin (Ordinals, BRC-20), delivering robust decentralized solutions tailored to your business needs. ? **What I Offer:** ✅ **Smart Contracts & DeFi:** Secure, gas-optimized contracts (ERC-20, ERC-721, ERC-1155, BRC-20) ✅ **Web3 Integration:** Seamless dApp connections using Wagmi, Ethers.js, Web3.js ✅ **Trading Bots & Arbitrage:** MEV, sniper, and high-frequency trading strategies ✅ **Automation & AI Bots:** Telegram bots, Discord bots, data scraping, automation tools ✅ **Security & Audits:** Mitigating reentrancy, flash loan attacks, and smart contract vulnerabilities ?️ **Tech Stack:** ? **Languages & Frameworks:** Solidity, Rust, Vyper, Hardhat, Foundry ? **Web3 Tools:** Web3.js, Ethers.js, Wagmi, Next.js, React ? **Backend & Databases:** Node.js, Python, Prisma, PostgreSQL, Redis ? **Specialties:** Smart contract audits, gas optimization, on-chain data analysis I deliver clean, efficient, and well-documented code, always staying ahead with the latest blockchain trends. Whether you need custom smart contracts, DeFi solutions, or high-performance trading bots—let’s turn your ideas into reality. ✉️ **Ready to start? Let’s discuss your project today!*","canEdit":false,"editUrl":"https://www.workana.com/freelancer/891b4402d60625620bb9b8cfc181663f/profile/description","g11n":{"edit":"Edit","save":"Save","cancel":"Cancel","warning":"Warning: Don't share contact information or you may be blocked.","expandText":"View more","collapseText":"View less","placeholder":"In a few words, sum up what best defines you as a professional. Show the world what you have to offer and give direction to your freelance career. Ex: Image and sound designer specializing in institutional videos and photo retouching."},"validation":{"required":true,"min":20}},"history":{"section":"history","title":"Work history","dangerouslyWillBeRenderAsHtml_text":"1. Smart Contract Development:

? ERC Standards: Extensive experience with ERC-20, ERC-721, and ERC-1155 token standards, including token creation, minting, burning, and governance mechanisms.

? Cross-Chain Development: Proficient in BRC-20 token implementation, enabling interoperability between Bitcoin and Ethereum ecosystems.

? Staking & Governance: Developed staking contracts and DAO governance frameworks to support decentralized decision-making and yield generation.

2. DeFi & Trading Automation:

? DeFi Protocols: Built and audited smart contracts for lending platforms, liquidity pools, and yield farming protocols on Ethereum, Binance Smart Chain, and other EVM-compatible networks.

? MEV & Arbitrage Bots: Engineered MEV (Miner Extractable Value) bots for front-running, sandwich attacks, and arbitrage across Uniswap V3, PancakeSwap, and GMX, leveraging Flashbots for stealth transactions.

⚡ High-Frequency Trading (HFT): Designed AI-driven sniper bots and high-frequency trading systems with real-time data feeds and predictive algorithms.

3. Full-Stack Web3 Development:

?️ Frontend: Utilized React.js with Wagmi, Viem, RainbowKit, and ConnectKit to create dApps with wallet integrations and seamless user experiences.

?️ Backend: Built robust APIs using Node.js, FastAPI, and NestJS, integrated with smart contracts through Ethers.js and Web3.js.

? Data Indexing: Implemented The Graph for efficient blockchain data querying and visualization.

4. Security & Audits:

? Smart Contract Audits: Conducted comprehensive security audits, identifying vulnerabilities like reentrancy, integer overflows, and flash loan exploits.

?️ Tools & Frameworks: Proficient with Hardhat, Foundry, Tenderly, and MythX for contract testing, debugging, and verification.

5. Cross-Chain & Oracle Integrations:

? Bridges: Developed secure cross-chain bridges to facilitate asset transfers between Ethereum, Binance Smart Chain, and Layer 2 solutions.

? Oracles: Integrated Chainlink Oracles to fetch real-time off-chain data for DeFi applications, ensuring reliable and tamper-proof data feeds.

6. Blockchain-Specific Projects:

? V3market NFT Game: Enabled wallet integration with HashPack Wallet, smart contract interactions, and NFT minting on Hedera Hashgraph.

? AI-Driven Trading Systems: Combined blockchain data with AI models using TensorFlow for predictive analytics and automated trading decisions.

? Liquidity Management: Built liquidity bots for automated rebalancing, market making, and impermanent loss mitigation strategies.","rawText":"1. Smart Contract Development: ? ERC Standards: Extensive experience with ERC-20, ERC-721, and ERC-1155 token standards, including token creation, minting, burning, and governance mechanisms. ? Cross-Chain Development: Proficient in BRC-20 token implementation, enabling interoperability between Bitcoin and Ethereum ecosystems. ? Staking & Governance: Developed staking contracts and DAO governance frameworks to support decentralized decision-making and yield generation. 2. DeFi & Trading Automation: ? DeFi Protocols: Built and audited smart contracts for lending platforms, liquidity pools, and yield farming protocols on Ethereum, Binance Smart Chain, and other EVM-compatible networks. ? MEV & Arbitrage Bots: Engineered MEV (Miner Extractable Value) bots for front-running, sandwich attacks, and arbitrage across Uniswap V3, PancakeSwap, and GMX, leveraging Flashbots for stealth transactions. ⚡ High-Frequency Trading (HFT): Designed AI-driven sniper bots and high-frequency trading systems with real-time data feeds and predictive algorithms. 3. Full-Stack Web3 Development: ?️ Frontend: Utilized React.js with Wagmi, Viem, RainbowKit, and ConnectKit to create dApps with wallet integrations and seamless user experiences. ?️ Backend: Built robust APIs using Node.js, FastAPI, and NestJS, integrated with smart contracts through Ethers.js and Web3.js. ? Data Indexing: Implemented The Graph for efficient blockchain data querying and visualization. 4. Security & Audits: ? Smart Contract Audits: Conducted comprehensive security audits, identifying vulnerabilities like reentrancy, integer overflows, and flash loan exploits. ?️ Tools & Frameworks: Proficient with Hardhat, Foundry, Tenderly, and MythX for contract testing, debugging, and verification. 5. Cross-Chain & Oracle Integrations: ? Bridges: Developed secure cross-chain bridges to facilitate asset transfers between Ethereum, Binance Smart Chain, and Layer 2 solutions. ? Oracles: Integrated Chainlink Oracles to fetch real-time off-chain data for DeFi applications, ensuring reliable and tamper-proof data feeds. 6. Blockchain-Specific Projects: ? V3market NFT Game: Enabled wallet integration with HashPack Wallet, smart contract interactions, and NFT minting on Hedera Hashgraph. ? AI-Driven Trading Systems: Combined blockchain data with AI models using TensorFlow for predictive analytics and automated trading decisions. ? Liquidity Management: Built liquidity bots for automated rebalancing, market making, and impermanent loss mitigation strategies.","canEdit":false,"editUrl":"https://www.workana.com/freelancer/891b4402d60625620bb9b8cfc181663f/profile/history","g11n":{"edit":"Edit","save":"Save","cancel":"Cancel","warning":"Warning: Don't share contact information or you may be blocked.","expandText":"View more","collapseText":"View less","placeholder":"Describe your work on previous projects, your role, and your contributions for each milestone of your professional career. Tell us how your work has brought value to the projects you have collaborated on in the past. Choose the most relevant aspects for each position, what you learned and achieved, and anything else that will help in understanding your career path."},"validation":{"required":true,"min":20,"max":50000}}},"profileCompleteness":{"show":false},"newProfileCard":{"canEditCompany":false,"canAddFavorite":false,"addFreelancersDropdownTitle":"Add to list","isHero":false,"isVerifiedAgency":false,"companyVisibleName":"V.","companyId":11128358,"companyHash":"891b4402d60625620bb9b8cfc181663f","ratingData":{"rating":0,"hasRating":false,"width":"width: 0","noRatings":"No ratings yet","average":0,"ratingText":"No ratings yet"},"profileVisibilityEditInitials":{"isChecked":true,"actionUrl":"https://www.workana.com/companies/profile/edit/visibility","g11n":{"toggleLabel":"Public Profile"}},"agencyEditInitials":{"isChecked":false,"actionUrl":"https://www.workana.com/companies/profile/edit/is_agency","g11n":{"toggleLabel":"Agency Profile"}},"phone":{"text":"Phone number: ","canEditPhone":false,"hasPhone":false,"number":null},"countryData":{"country":"MY","name":"Malaysia","class":"flag flag-my","url":"https://www.workana.com/freelancers/malaysia?ref=freelancer_view","blankGif":"https://cf.wkncdn.com/static/assets/build/img/blank.4f4e80a62.gif"},"hourlyRate":{"text":"Hourly rate:","rate":"USD 50.00","isSet":true,"currency":"USD","amount":"50.00"},"mainSkill":{"isSet":true,"text":"Freelancer expert in IT & Programming"},"public":true,"clarificationText":"Allowed formats:
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Bancos e instituições financeiras - Iniciativas de cidades inteligentes e IoT ⚡ VAMOS CONSTRUIR JUNTOS Envie-me seus requisitos agora mesmo e receba uma demonstração funcional em até 48 horas. Sediado em Singapura, com atuação global. Seja um aplicativo de FinTech, uma solução GovTech ou uma plataforma empresarial, entrego com a eficiência de Singapura e o conhecimento do mercado asiático. A primeira demonstração é por minha conta - pague somente se ficar impressionado. Pronto para transformar sua ideia no próximo sucesso tecnológico do Sudeste Asiático? Vamos conversar! ?? Disponível para: Vagas em tempo integral | Projetos por contrato | Consultoria de CTO | Due diligence técnica Local: Singapura (Residente Permanente) | Fuso horário flexível | Presencial/Remoto/Híbrido ============================================================================== Desarrollador Full-Stack Senior | Arquitecto de Soluciones Aceleradas por IA | Experto en el Centro Tecnológico de Singapur No soy solo un desarrollador: soy tu arquitecto tecnológico en Singapur, uniendo Oriente y Occidente para ofrecer soluciones de nivel empresarial con la agilidad de una startup. ★ LO QUE ME DIFERENCIA ★ - Desarrollo con IA: Programación en vivo con Claude, Cursor, GitHub Copilot y V0, transformando conceptos en soluciones listas para producción mientras usted observa. - Especialista en FinTech: Amplia experiencia en sistemas de pago compatibles con la MAS, banca digital y soluciones blockchain para el Sudeste Asiático. - Experiencia en GovTech: Trayectoria comprobada en proyectos de transformación digital del gobierno de Singapur (SingPass, integración de la API de MyInfo). - Soluciones multilingües: Desarrollo de aplicaciones compatibles con inglés, mandarín, malayo y tamil, reflejando la diversidad de Singapur. - Compromiso de MVP en 48 horas: De la idea inicial al prototipo funcional en 2 días, garantizado. ✅ MI VENTAJA COMPETITIVA: SINGAPUR + ESTÁNDARES GLOBALES Con una posición privilegiada en la capital tecnológica de Asia, ofrezco: - Escalabilidad regional desde Singapur a toda la región APAC. - Cumplimiento de la estricta Ley de Protección de Datos Personales (PDPA) de Singapur. - Soluciones de pago transfronterizas. Experiencia - Alineación con la iniciativa Smart Nation - Disponibilidad 24/7 en todas las zonas horarias ✅ LOGROS COMPROBADOS - Más de 500 proyectos entregados en la región Asia-Pacífico - Más de 5 millones de dólares singapurenses en valor generado para clientes - Más de 15 colaboraciones con agencias gubernamentales - Más de 50 integraciones con FinTech (PayNow, NETS, GrabPay, PayLah!) - Aplicaciones con más de 3 millones de usuarios en el Sudeste Asiático - 99,9 % de tiempo de actividad en sistemas críticos ✅ TECNOLOGÍA INTEGRAL Dominio de la programación: - Sistemas: C++, Rust, Go (sistemas de trading de alta frecuencia) - Backend: Java (Spring), Python (FastAPI), Node.js, Scala - Frontend: React, Vue.js, Angular, Next.js 14 - Móvil: Swift, Kotlin, React Native, Flutter - Blockchain: Solidity, Move, Rust (Solana) - Datos: R, Julia, MATLAB (finanzas cuantitativas) Experiencia específica en Singapur: - Pasarelas de pago: Stripe, PayNow, NETS, FAST - API gubernamentales: SingPass, MyInfo, CorpPass, NDI - Nube: AWS (región de Singapur), Alibaba Cloud, Azure - Cumplimiento normativo: Directrices de la MAS, PDPA, estándares de la IMDA - Idiomas: Localización para EN/ZH/MS/TA Herramientas de IA y ML: - Desarrollo: Claude, Cursor, Copilot, Tabnine - Operaciones de ML: TensorFlow, PyTorch, Hugging Face - Datos: Pandas, NumPy, Apache Spark ✅ QUÉ OFREZCO - Sesiones de programación en vivo con IA - Desarrollo en tiempo real - MVPs de FinTech con cumplimiento normativo integrado - Soluciones de pago transfronterizas para los mercados de la ASEAN - Aplicaciones seguras de nivel gubernamental - Microservicios escalables para más de 1 millón de usuarios concurrentes - Auditorías de contratos inteligentes y DeFi Protocolos - Configuración completa de pipeline CI/CD con monitorización ✅ IDEAL PARA - Startups FinTech que se expanden a los mercados del Sudeste Asiático - Empresas que buscan expandirse en la región Asia-Pacífico - Proyectos de transformación digital del gobierno - Plataformas de comercio electrónico transfronterizo - Bancos e instituciones financieras - Iniciativas de ciudades inteligentes e IoT ⚡ CONSTRUYAMOS JUNTOS Envíame tus requisitos ahora y recibe una demo funcional en 48 horas. Con sede en Singapur, ofrezco mis servicios a nivel global. Ya sea una app FinTech, una solución GovTech o una plataforma empresarial, te ofrezco soluciones con la eficiencia de Singapur y un profundo conocimiento del mercado asiático. La primera demo es gratuita: solo pagas si te convence. ¿Listo para convertir tu idea en el próximo éxito tecnológico del Sudeste Asiático? ¡Conectemos! Disponible para: Puestos a tiempo completo | Proyectos por contrato | Asesoramiento a CTO | Due diligence técnica Ubicación: Singapur (Residencia Permanente) | Horario flexible | Modalidad: Presencial/Remoto/Híbrida ============================================================================== Senior Full-Stack Developer | AI-Accelerated Solutions Architect | Singapore Tech Hub Expert I'm not just a developer - I'm your Singapore-based tech architect who bridges East and West, delivering enterprise-grade solutions at startup speed. ★ WHAT SETS ME APART ★ - AI-First Development: Live coding with Claude, Cursor, GitHub Copilot, and V0 - transforming concepts into production-ready solutions while you watch - FinTech Specialist: Deep expertise in MAS-compliant payment systems, digital banking, and blockchain solutions for Southeast Asia - GovTech Experience: Proven track record with Singapore government digital transformation projects (SingPass, MyInfo API integration) - Multilingual Solutions: Building apps that seamlessly support English, Mandarin, Malay, and Tamil - true to Singapore's diversity - 48-Hour MVP Commitment: From whiteboard to working prototype in 2 days, guaranteed ✅ MY COMPETITIVE EDGE: SINGAPORE + GLOBAL STANDARDS Uniquely positioned in Asia's tech capital, I deliver: - Regional scalability from Singapore to entire APAC - Compliance with Singapore's stringent data protection (PDPA) - Cross-border payment solutions expertise - Smart Nation initiative alignment - 24/7 availability across time zones ✅ VERIFIED ACHIEVEMENTS - 500+ projects delivered across APAC - S$5M+ in client value generated - 15+ government agency collaborations - 50+ FinTech integrations (PayNow, NETS, GrabPay, PayLah!) - Apps serving 3M+ users across Southeast Asia - 99.9% uptime on mission-critical systems ✅ COMPREHENSIVE TECH STACK Programming Mastery: - Systems: C++, Rust, Go (high-frequency trading systems) - Backend: Java (Spring), Python (FastAPI), Node.js, Scala - Frontend: React, Vue.js, Angular, Next.js 14 - Mobile: Swift, Kotlin, React Native, Flutter - Blockchain: Solidity, Move, Rust (Solana) - Data: R, Julia, MATLAB (quant finance) Singapore-Specific Expertise: - Payment Gateways: Stripe, PayNow, NETS, FAST - Gov APIs: SingPass, MyInfo, CorpPass, NDI - Cloud: AWS (Singapore region), Alibaba Cloud, Azure - Compliance: MAS guidelines, PDPA, IMDA standards - Languages: Localization for EN/ZH/MS/TA AI & ML Tools: - Development: Claude, Cursor, Copilot, Tabnine - ML Ops: TensorFlow, PyTorch, Hugging Face - Data: Pandas, NumPy, Apache Spark ✅ WHAT I DELIVER - Live AI-Powered Coding Sessions - Real-time development - FinTech MVPs with regulatory compliance built-in - Cross-border payment solutions for ASEAN markets - Government-grade secure applications - Scalable microservices for 1M+ concurrent users - Smart contract audits and DeFi protocols - Full CI/CD pipeline setup with monitoring ✅ IDEAL FOR - FinTech startups entering Southeast Asian markets - Enterprises requiring APAC expansion - Government digital transformation projects - Cross-border e-commerce platforms - Banks and financial institutions - Smart city and IoT initiatives ⚡ LET'S BUILD TOGETHER Drop me your requirements now - receive a working demo within 48 hours. Based in Singapore, serving globally. Whether it's a FinTech app, GovTech solution, or enterprise platform - I deliver with Singapore's efficiency and Asian market understanding. First demo is on me - pay only if you're impressed. Ready to transform your idea into Southeast Asia's next tech success? Let's connect! ?? 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