With over 10+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 in web development, I specialize in building 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭, and 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬. Over the past 7 years, I have mastered 𝐑𝐞𝐚𝐜𝐭, 𝐍𝐞𝐱𝐭.𝐣𝐬, 𝐍𝐨𝐝𝐞.𝐣𝐬, 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, and modern web technologies, focusing on creating dynamic, AI-driven, and responsive solutions. As a full-stack developer, I deliver seamless 𝐟𝐫𝐨𝐧𝐭-𝐞𝐧𝐝 and 𝐛𝐚𝐜𝐤-𝐞𝐧𝐝 experiences, combining 𝐑𝐞𝐚𝐜𝐭/𝐍𝐞𝐱𝐭.𝐣𝐬 for intuitive UIs with .𝐍𝐄𝐓, 𝐏𝐲𝐭𝐡𝐨𝐧 (𝐃𝐣𝐚𝐧𝐠𝐨), and 𝐉𝐚𝐯𝐚 for solid back-end functionality. 🚀 I’ve successfully worked on 𝐥𝐚𝐫𝐠𝐞-𝐬𝐜𝐚𝐥𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 in industries like 𝐡𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞, 𝐫𝐞𝐚𝐥 𝐞𝐬𝐭𝐚𝐭𝐞, and 𝐛𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧, delivering solutions that drive business success. My mission is to help businesses create 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞, 𝐮𝐬𝐞𝐫-𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬 that convert visitors into loyal customers. 🎯 𝐊𝐞𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ➡️ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React.js, Next.js, Angular, React Native, Material UI, Ant Design, Bootstrap, SCSS 💡 ➡️ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: .NET, Python (Django), Node.js, Java ⚙️ ➡️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: MySQL, PostgreSQL, MongoDB, Cassandra (NoSQL) 📊 ➡️ 𝐒𝐜𝐫𝐢𝐩𝐭𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: JavaScript, TypeScript, Node.js, jQuery ✍️ ➡️ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: AWS, Docker, CI/CD, API integrations ☁️ ➡️ 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠: AI/ML model integration, intelligent automation 🤖 ➡️ 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧: Smart contracts, dApps, Web3 solutions 🔗 ➡️ 𝐔𝐈/𝐔𝐗 & 𝐃𝐞𝐬𝐢𝐠𝐧: Figma, wireframing, prototyping, responsive design for seamless cross-device compatibility 🎨 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? ➡️ 𝐏𝐫𝐨𝐯𝐞𝐧 𝐒𝐮𝐜𝐜𝐞𝐬𝐬: Delivered numerous 𝐥𝐚𝐫𝐠𝐞-𝐬𝐜𝐚𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 in 𝐡𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐛𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 with a focus on 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞, 𝐬𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 & 𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲. 💪 ➡️ 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐯𝐞: I work closely with clients to translate 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐠𝐨𝐚𝐥𝐬 into 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥 & 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 software. 🤝 ➡️ 𝐂𝐨𝐝𝐞 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 & 𝐒𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Clean, maintainable, and future-ready code. 🛠️ ➡️ 𝐀𝐝𝐚𝐩𝐭𝐚𝐛𝐢𝐥𝐢𝐭𝐲: From building from scratch to upgrading legacy systems or ongoing support, I provide 𝐭𝐚𝐢𝐥𝐨𝐫𝐞𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. 🧩 Let’s build something amazing together and take your business to the next level! 🚀

I am Parth. I am experienced smart contract developer and auditor. I have worked for reputed auditing firms and have worked with famous protocols like OpenSea, MakerDAO, etc. I have also taken part in developing of new AAVE governance token through formal verification. Previous work: * Conducted OpenSea audit - one of the most famous NFT marketplaces. * Working with leading firm - SpearbitDAO. Spearbit connects independent security experts to the Web3 projects that need them. * Got awarded 10000$ for securing AAVE contracts under Certora formal verification program. * Got 2nd rank out of 77 participants in Secureum RACE-7. Secureum is a community focused on improving the security of Ethereum. RACE — Readiness Assessment(quizzes) for CARE Endeavor. CARE — Comprehensive Audit Readiness Evaluation: Smart contract security reviews of real-world, security-minded protocols is held whenever protocols collaborate with Secureum. 16 participants are invited to participate in a CARE. Blockchain development: - Solidity - Hardhat - Foundry - Infura - Alchemy Let's secure Ethereum ecosystem.

🚀 10+ Years Full-Stack Developer | React, Node.js, Next.js, Python | Top Rated Plus 💡 Specialized in modern JavaScript & backend ecosystems: React | Next.js | Node.js | Python 📈 Experience across SaaS, Enterprise Platforms, High-Load Systems & Data-Driven Applications 🌐 From MVP to Scalable Production Systems | End-to-End Ownership 🏆 Top Rated Plus with consistent 100% Job Success With over 10 years of experience in full-stack development, I design and build scalable, production-grade web applications using React, Next.js, Node.js, and Python. I work comfortably across the entire lifecycle: product discovery, architecture design, implementation, deployment, and long-term maintenance. I focus on clean architecture, modular design, and performance optimization. My approach ensures systems remain maintainable as they scale, avoiding technical debt that slows teams down later. ⸻ ✅ Technical Expertise Frontend Development • React (complex state management, reusable component architecture) • Next.js (SSR, SSG, performance optimization, SEO-friendly apps) • Modern JavaScript (ES6+), TypeScript • Responsive UI implementation and scalable component systems Backend Development • Node.js (REST APIs, scalable services, async processing) • Python (backend services, automation, data workflows) • API design, authentication systems, role-based access • Clean service-layer architecture and modular code structure Databases & Data Handling • MySQL, PostgreSQL, MongoDB • Schema design, indexing, query optimization • Data modeling for scalable systems Cloud & DevOps • AWS (EC2, S3) • Dockerized environments • CI/CD pipelines • Git-based collaborative workflows ⸻ ✅ What I Deliver • Clean, maintainable, well-structured code • Scalable architecture ready for growth • Clear documentation and transparent milestone tracking • Reliable deployments and controlled release processes I work well independently or as part of an existing team, integrating smoothly into established workflows while maintaining high engineering standards. If you’re looking for a senior engineer who can think architecturally, execute reliably, and take ownership from idea to deployment — I’m ready to contribute.

Clients call me "𝐭𝐡𝐞 𝐦𝐚𝐬𝐭𝐞𝐫 𝐢𝐧 𝐍𝐨𝐝𝐞.𝐣𝐬." Another said my work is "𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲, 𝐜𝐥𝐞𝐚𝐧, 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐜𝐨𝐝𝐞." 9 projects. 9 five-star reviews. 100% Job Success Score. I build 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐫𝐞𝐚𝐝𝐲 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, and 𝐀𝐈-𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐞𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 that scale from early MVP to enterprise-grade infrastructure. With strong experience in 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 and 𝐀𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, I specialise in turning complex requirements into maintainable, high-performing products from 𝐋𝐋𝐌-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐭𝐨𝐨𝐥𝐬 and 𝐀𝐏𝐈-𝐝𝐫𝐢𝐯𝐞𝐧 𝐟𝐢𝐧𝐭𝐞𝐜𝐡 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 to 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 on 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐀𝐳𝐮𝐫𝐞. 𝐂𝐚𝐫𝐞𝐞𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: ▸ Productizing a 𝐋𝐨𝐯𝐚𝐛𝐥𝐞-𝐛𝐮𝐢𝐥𝐭 𝐁𝟐𝐁 𝐂𝐑𝐌 into a fully scalable 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐀𝐳𝐮𝐫𝐞 platform multi-tenant, 500 tenants, 2,500 users in an ongoing long-term engagement ▸ Built and integrated a 𝐩𝐚𝐲𝐦𝐞𝐧𝐭𝐬 𝐀𝐏𝐈 as an internal fintech tool using 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 & 𝐍𝐨𝐝𝐞.𝐣𝐬 client called me "𝐭𝐡𝐞 𝐦𝐚𝐬𝐭𝐞𝐫 𝐢𝐧 𝐍𝐨𝐝𝐞.𝐣𝐬" ▸ Delivered a complex 𝐏𝐞𝐨𝐩𝐥𝐞𝐒𝐨𝐟𝐭 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 using 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 over a long-term engagement praised for excellent technical expertise ▸ Engineered 𝐃𝐣𝐚𝐧𝐠𝐨 𝐛𝐚𝐜𝐤𝐞𝐧𝐝𝐬 and 𝐑𝐞𝐚𝐜𝐭 𝐟𝐫𝐨𝐧𝐭𝐞𝐧𝐝𝐬 for full-stack web applications delivering "𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲, 𝐜𝐥𝐞𝐚𝐧, 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐜𝐨𝐝𝐞" on time with strong technical expertise ▸ Developed 𝐂𝐑𝐌 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 and backend systems using 𝐏𝐇𝐏, 𝐋𝐚𝐫𝐚𝐯𝐞𝐥, and 𝐌𝐲𝐒𝐐𝐋 client praised "𝐚𝐦𝐚𝐳𝐢𝐧𝐠 𝐬𝐤𝐢𝐥𝐥𝐬" and described communication as highly active and clear ▸ Consulted founders on 𝐏𝐲𝐭𝐡𝐨𝐧, 𝐃𝐣𝐚𝐧𝐠𝐨, and 𝐀𝐈 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 described as "𝐡𝐢𝐠𝐡𝐥𝐲 𝐬𝐤𝐢𝐥𝐥𝐞𝐝… 𝐡𝐞𝐥𝐩𝐢𝐧𝐠 𝐭𝐨 𝐛𝐫𝐚𝐢𝐧𝐬𝐭𝐨𝐫𝐦 𝐭𝐡𝐞 𝐢𝐝𝐞𝐚" ▸ Delivered 𝐛𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧, 𝐃𝐞𝐅𝐢, and 𝐍𝐅𝐓 𝐬𝐦𝐚𝐫𝐭 𝐜𝐨𝐧𝐭𝐫𝐚𝐜𝐭 solutions with exceptional quality client rated experience "𝐟𝐮𝐥𝐥𝐲 𝐬𝐚𝐭𝐢𝐬𝐟𝐢𝐞𝐝" with fast turnaround 🔹 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐓𝐨𝐨𝐥𝐬: Front-End: React.js, Next.js, JavaScript (ES6+), TypeScript Back-End: Node.js, Django, FastAPI, NestJS, PHP, Laravel,.NET Core, ASP.NET MVC AI & LLM: Generative AI, LLM Integration, AI Integration, OpenAI API Cloud & Infrastructure: Microsoft Azure, Azure Cosmos DB, AWS Web Apps & SaaS: Lovable, CRM Development, SaaS Platforms, Multi-Tenant Architecture Databases & APIs: MySQL, PostgreSQL, MongoDB, Azure Cosmos DB, REST APIs Enterprise & Blockchain: PeopleSoft Integration, Fintech APIs, Smart Contracts, DeFi, NFT, Web3 🚀 From fintech applications and enterprise integrations to AI-powered SaaS products and Lovable-based platforms, I deliver work that is scalable, secure, and built to last. My goal is always to turn your requirements into a product that drives real business outcomes. 👉 Send me your project brief I typically respond within 0–4 hours. Let's build something that works and grows with you.

Hello! I’m a Senior Full-Stack Developer, Software Architect, and Blockchain Engineer with over 7 years of hands-on experience in web application design and development. I provide top-notch services at an economical cost to elevate your projects. With an MSc in Computer Engineering and a BSc in Electrical and Computer Engineering, I combine academic depth with practical expertise to design and implement robust, production-ready solutions. I provide high-quality services with a strong focus on client satisfaction, clean code, and on-time delivery. I have a proven track record in implementing Hexagonal architecture, Clean Architecture, Microservices, Domain-Driven Design (DDD), Command and Query Responsibility Segregation (CQRS), and Event-Driven Architecture in scalable backend projects. Currently, I serve as a Software Architect leading the design and development of a No-Code/Low-Code Digital Service Automation Platform for enterprise solutions using a microservices-based architecture for enterprise-level clients. As a Blockchain developer, I specialize in designing and developing smart contracts (chaincode) for enterprise B2B applications to enhance security, traceability, transparency, and data integrity in business processes. 🎯Technology stack: 🛠️ Programming Language: C#, Java, JavaScript/TypeScript 🛠️ Backend Web Platform and Libraries: .NET Core, ASP.NET Core, Spring Boot, Node.js, Entity Framework Core, Dapper, LINQ, REST API, Hibernate, SignalR, XUnit Test, NUnit Test, JUnit Test, Jest 🛠️Blockchain: Hyperledger Fabric 🛠️ Database: MS SQL, PostgreSQL, MYSQL, MongoDB, Redis Front End Platform: Blazor Web Assembly/Server Side, Angular, ReactJS, Bootstrap, MaterialUI, Tailwind 🛠️ Messaging: RabbitMQ, Kafka 🛠️ Tools: Git, GitHub, GitLab, GitLab-CI/CD, Docker, Kubernetes 🛠️ Design and Development Tools: Visual Studio 2022, Visual Studio Code, IntelliJ, Rider, Enterprise Architect 🛠️ Proficient with 3rd-party API integration, Web services, and AWS. 🎯 Software Architecture: ✤ Clean Architecture, Hexagonal Architecture, Layered architecture ✤ Microservice Architecture ✤ Domain Driven Design (DDD) ✤ Event-Driven Design ✤ Command and Query Responsibility Segregation (CQRS) ✤ Test-Driven Design (TDD) 🎯 Here's what you can expect when we team up: 👉 Brainstorming sessions to bring your vision into focus. 👉 Regular progress updates and sneak peeks at your project in action. 👉 Flexible approach to adapt to your evolving needs. 👉 Lightning-fast turnaround times without sacrificing quality. 🎯My Strength ✔ Integrity and transparency are integral parts of my work ✔ Provide quality work with 100% satisfactory results, fast delivery, and clean and well-managed commented code ✔ Worked as a solo developer and with teams of all sizes ✔ Proactive communicator, problem solver extraordinaire, and all-around tech enthusiast. ✔Have a discerning intellect in grasping customers' perspectives and resolving issues through a meticulous approach I look forward to working with you and providing the best of my services and attention. I am confident that my experience and my passion will make me a great asset to your company

Want to work with an experienced Blockchain developer who can bring your smart contract, decentralized application (dApp) vision to life? Are you looking for a Solidity or Rust developer to develop "Gas-Optimized" smart contracts? Whether you're looking to create ERC20 or SPL tokens, ERC721, ERC1155, or NFTs with custom features, concerned about vulnerabilities and exploits in your high-value contracts, need to write tests for contracts, or need a script to interact with leading DEX protocols—I've got you covered. 🖐 Some of my previous clients' quotes about me: ✔️ "...Excellent technical skills and consistently good communication... Completed the project in a timely fashion, exceeding our original deadline." ✔️ "His work was phenomenal...made sure I understood every step along the way... ✔️ "..took this project on as if it was his own... Great professional skills, always there to answer questions and suggest the best solutions." ✔️ "...Every facet of his work was impressive. WOW!" ✔️ "... goes above and beyond. Md's professionalism and expertise in blockchain are unmatched.." ✔️ "... communication is excellent, delivery is fast, and his knowledge of smart contracts is impressive." With expertise in EVM-compatible chains (like Ethereum, BSC) and Solana, I specialize in delivering high-performance, gas-optimized smart contracts and dApps tailored to your specific requirements. I help my clients build secure and highly resilient smart contracts, minimizing vulnerabilities and ensuring your code is fortified against exploits. I might be the perfect fit if you're thinking of any of these: ✅ "I need the BEST developer who's as passionate about my success as his own." ✅ "I want someone who will walk me through every step of smart contract interaction." ✅ "Gas fees are too high! My smart contract needs to be lightning-fast and cost-efficient." ✅ "I know blockchain, but I need a professional to make my smart contracts 100% secure." ✅ "I’m not an Ethereum or Solana expert, and I don’t have time to mess around with dApps." ✅ "Our last dApp was a disaster—I can’t afford to let that happen again." ✅ "I need an EVM-compatible blockchain or Solana expert to cover all my bases for cross-chain or multi-chain applications." Working with me, you will: 💎 Gain access to a developer skilled in Python, JavaScript, TypeScript, Rust, Solidity, Brownie, Hardhat, NextJS, Foundry, and Anchor. 💎Eliminate vulnerabilities and reduce gas fees during both deployment and interactions. 💎 Maximize your DApp's security with continuous follow-ups for improvements. 💎 Save time and resources—you won’t need to hire separate back-end, front-end, Rust, or Solidity developers because I handle it all as a full-stack developer. 💎 Receive custom scripts to swap, add, or remove liquidity, lend, deposit, borrow, withdraw, and interact across top dApp protocols. 💎 Optimize for multi-chain functionality—Whether you need to bridge Ethereum, BSC, or Solana, I can create solutions that integrate seamlessly across multiple networks. 🖐 My Skills & Expertise in Blockchain: ☑️Solidity Development for EVM-compatible smart contracts ☑️Rust Development for Solana Blockchain ☑️Experience with Chainlink, various ERC standards, and OpenZeppelin ☑️Token development(ERC20/BEP20/SPL) with features like Mintable, Burnable, Reflections, TxFee, Whitelist/Blacklist, and IDO/ICO for tokens. ☑️NFTs (ERC721, ERC1155, ERC404, etc) with Whitelist, Royalties, Presale, Public Sale, Dutch Auctions, IPFS Hosting, and Dynamic NFTs ☑️Full-stack Blockchain Developer with expertise in Solidity, Python (Brownie), JavaScript (Hardhat), Typescript, Rust(Anchor), NextJS, and Foundry. ☑️Script/Program Development for deploying/interacting with smart contracts and protocols like Aave, Uniswap, Raydium, and PancakeSwap. Why Work With Me: 💎Extensive Experience: I've designed and built hundreds of smart contracts from scratch, creating robust back-end scripts for deployment. 💎Expert Problem Solver: Proficient in designing projects from the ground up, solving complex problems, and rapid iterative prototyping. 💎Gas Optimization Strategies: I use professional strategies to optimize smart contracts for minimal gas fees and thoroughly test them to identify and prevent potential exploits. My Background in Numbers: ✔️ Over 3 years of experience with Blockchain technology. ✔️ Developed numerous DApps and scripts for protocols and tokens, including ERC20, BEP20, SPL, ERC721, and ERC1155. ✔️ Worked on several growing DApp projects, such as Crowdfunding platforms, Airdrop systems, DEXs, insurance, ICO, IDO, Tokens, Lottery, and NFT marketplaces. ✔️ Created a variety of smart contracts. ✔️ Wrote extensive test scripts for smart contracts using Foundry, Hardhat, and Anchor. Sound Like a Fit? Next Steps: Click the green "Invite to Job" button in the top right-hand corner or send me a message, and let’s schedule a call to discuss your project! Otherwise, feel free to book a consultation!

I'm, a highly skilled Full Stack Developer Specializing in MERN/MEAN, Python, Blockchain in creating Web , Mobile Applications and Fully Automated Bots . With over 5 years of expertise in web development, I have worked with Big Exchanges on web applications for various industries. that helps in automating their operations also. So i have enough experience that I can also give recommendations and solutions for a variety of technologies. ✨Key Skills: ✓ 5+ years of experience in web development. ✓ Expert in React js, Node js, Solidity, Python and Blockchain ✓ Skilled in building mobile apps using React Native. ✓ Experienced in developing REST APIs. Whether you need a user-friendly website, a scalable mobile app, or a robust SAAS solution, I can turn complex tech problems into successful solutions. By focusing on your business goals, I aim to enhance your operations, increase profitability, and reduce costs. • Frontend Skills: - Proficient in React.js, Vue.js, and Next.js. - Skilled in utilizing Tailwind CSS and Material UI for stunning designs. • Backend Skills: - Experienced with python and PHP - Proficient in Node.js, Nest.js, Next.js and Express.js - have good experience in solidity and in creating Blockchain bots and Crypto coins & Exchanges - Crm's including Wordpress, Shopify etc API Development: - Capable of working with GraphQL, REST API, and SOAP API Database Experience: - Familiar with MySQL, MongoDB, and Firebase Cloud Server Usage: - Proficient in working with AWS, Linode, Azure, and Digital Ocean or any other server i can surely work on that Ready to get started on your projects? Don't hesitate to reach out to me. I'm committed to delivering Quality Work to my clients and ensuring that they receive exactly what they need

I build AI systems that work in production - not just demos. From autonomous agents and real-time voice bots to RAG pipelines and full SaaS platforms, I engineer end-to-end AI products that automate workflows, reduce costs, and scale. 7+ years of full-stack engineering. 3+ years building and shipping AI in production - including AWS Bedrock, AgentCore, and Strands Agents. If you're hiring one person to own both the AI layer and the product it runs on - that's what I do. 🤖 AI Engineering Agentic AI ✔ Multi-agent orchestration - specialized agents for PM, QA, Architecture, Business reasoning (Agent Flow AI) ✔ Google ADK + Gemini for agent-driven interviews, coaching, and task flows (Job Interview Agent) ✔ AWS Bedrock + AgentCore Runtime & AgentCore Memory - production agentic AI on AWS infrastructure ✔ Strands Agents framework - open-source AWS agent SDK for tool-use and memory ✔ LangChain, LangGraph, OpenAI Assistants API, Google ADK, Strands Agents ✔ ReAct loops, tool-use agents, memory, and multi-step decision pipelines ✔ Amazon Titan Embeddings + pgvector for long-term agent memory and semantic recall Voice AI ✔ Production multilingual voice calling agent - English, Hindi, Tamil, Telugu, Gujarati (AI Voice Calling Agent) ✔ Sub-second latency: Twilio Media Streams + Faster-Whisper + IndicConformer-600M + Piper TTS ✔ Real-time conversational voice bots with interruptible responses and echo cancellation (AI Voice Chat) ✔ Whisper, ElevenLabs, Deepgram, WebRTC - full-stack Voice AI RAG & Document AI ✔ Agentic RAG with re-planning loops and confidence scoring (AI Business Analyst) ✔ PDF intelligence: chunk → embed → vector search → LLM answer grounded in source (DocMind AI) ✔ RAG-powered proposal generation - retrieves historical context, drafts new output (Proposal Generate) ✔ Pinecone, Chroma, pgvector, MongoDB Atlas Vector Search, Weaviate Chat & Conversational AI ✔ Ecommerce AI support with real-time sentiment detection + multilingual response (AI Customer Support) ✔ Fine-tuned persona-driven chatbots with memory, context, and factual injection ✔ GPT-4o, Claude, Gemini, LLaMA - multi-model strategies for cost and quality ✔ Customer support bots, internal knowledge assistants, sales copilots AI Automation ✔ End-to-end n8n + LangChain workflows with AI decision-making at every node ✔ AI-powered resume generation with 7-step wizard + Gemini + PDF export (AI Resume Generator) ✔ Multi-agent real estate HDR image fusion - GPT-Image-1 + Gemini 2.0 Flash (Real Estate HDR Fusion) ✔ API orchestration, CRM automation, document workflows 💻 Full-Stack Engineering Frontend: React.js · Next.js · TypeScript · Vue.js · Gatsby.js · Tailwind CSS Backend: Node.js · Express.js · FastAPI (Python) · GraphQL · REST APIs Databases: MongoDB · PostgreSQL · MySQL · MsSQL Cloud & DevOps: AWS · Docker · DigitalOcean · CI/CD Pipelines Mobile: Flutter (cross-platform) Payments: Stripe · multi-gateway integrations Blockchain: Smart Contracts · dApps · Web3 🏗 Production Platforms I've Built ↳ Meeting AI - AI leadership training platform (React, Node, PostgreSQL, Firebase) ↳ SteerHealth IO - AI healthcare automation (Next.js, Node, MongoDB, Google Cloud) ↳ Darlink AI - AI companion platform (Next.js, Node, Python AI, PostgreSQL) ↳ Realtypass - Real estate transaction automation (React, Node, MongoDB, GraphQL, Stripe) ↳ Girls First Finance - Fintech platform, Kenya (Next.js, Node, PostgreSQL, AWS) ↳ Finideas - SEBI-registered wealth firm back-office (React, Node, GraphQL, HDFC Bank) ⭐ What Clients Say "Jayraj is a well-rounded professional with expert knowledge and excellent communication." "He independently solved complex challenges and added significant value to our project." "Highly skilled, diligent, and responsive - delivers better than expected." ✅ Why Hire Me ✔ One hire covers both the AI engineering and the full-stack product - no handoff, no gaps ✔ I've shipped production AI for healthcare, fintech, real estate, and edtech clients globally ✔ Strong async communication - proactive updates, no ghosting, no excuses ✔ On-time delivery with real documentation and clean, maintainable code ✔ IST timezone - flexible overlap with US, EU, and Middle East clients Whether you need a voice AI agent, an agentic RAG system, a multilingual chatbot, or a full SaaS platform - I've built it in production, not just in a notebook. Let's scope your build. Jayraj Kapadia

Hey! I'm Bhavya, a Senior Software Engineer experienced in building scalable blockchain platforms and production-ready backend architectures for startups and enterprises. 𝗜 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲 𝗶𝗻: 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 & 𝗢𝗻-𝗖𝗵𝗮𝗶𝗻 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝘀 (𝗘𝗩𝗠 + 𝗦𝗼𝗹𝗮𝗻𝗮) • Solidity: ERC-20, ERC-721, ERC-1155, role-based and modular systems • DeFi logic, staking, vesting, token flows, marketplace mechanisms • Cross-chain patterns and multi-chain asset logic (L2s, bridges, relayers) • Contract security, invariant checks, audits, gas optimization • Solana (Rust): SPL tokens, PDAs, CPI calls, staking/vesting/escrow programs • Anchor framework and performance-oriented custom Rust programs 𝗪𝗲𝗯𝟯 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 • Go (advanced) and Rust backend development • Blockchain indexers, listeners, and event-driven data pipelines • Wallet abstractions, signer services, automated distribution engines • RPC/WebSocket integrations and backend-driven smart contract interactions • High-performance APIs for dashboards, token analytics, or marketplaces 𝗪𝗲𝗯𝟯 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 • Next.js / React dApps • Wallet integrations (MetaMask, WalletConnect, Phantom, Ledger) • Client-side signing and secure transaction flows • Applications for minting, staking, swaps, dashboards, and marketplaces • ethers.js / web3.js / @solana/web3.js integrations 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗜 𝘄𝗼𝗿𝗸 𝗼𝗻 𝗶𝗻𝗰𝗹𝘂𝗱𝗲: • Smart contract systems (Solidity / Solana Rust) • Tokenization, identity systems, marketplaces, and DeFi workflows • Backend microservices for dashboards, SaaS tools, or launchpads • Cross-chain applications, high-security wallets, and cryptographic libraries • Blockchain infrastructure, RPC tooling, and protocol-level extensions 𝗬𝗼𝘂 𝗴𝗲𝘁: • Clean, maintainable, production-ready code • Clear communication and proactive problem-solving • Senior-level product thinking (not just coding tasks) • Architecture that avoids future technical debt • Fast execution without compromising quality 𝗜 𝗽𝗿𝗶𝗼𝗿𝗶𝘁𝗶𝘀𝗲 𝗰𝗹𝗮𝗿𝗶𝘁𝘆, 𝘀𝗽𝗲𝗲𝗱, 𝗮𝗻𝗱 𝘆𝗼𝘂𝗿 𝘀𝗮𝘁𝗶𝘀𝗳𝗮𝗰𝘁𝗶𝗼𝗻, 𝗽𝗿𝗼𝘃𝗶𝗱𝗶𝗻𝗴 𝗹𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗳𝗼𝗿 𝗲𝘃𝗲𝗿𝘆 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆. 𝗟𝗲𝘁'𝘀 𝗵𝗼𝗽 𝗼𝗻 𝗮 𝗾𝘂𝗶𝗰𝗸 𝗰𝗮𝗹𝗹 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝗻𝗲𝘅𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁!

👋 Hi there! As a seasoned Full Stack Developer with over 6 years of hands-on experience, I specialize in crafting innovative 🌐Web Development, ⛓️Blockchain Development and 🤖AI Development that push the boundaries of what's possible. From decentralized applications and mobile apps to embedded systems and immersive games, I bring a deep technical arsenal and a sharp creative edge to every project. What I bring to the table: 🌐 Web Development: Mastery of all major libraries & frameworks: React, Angular, Vue, Node.js, and more Building sleek, responsive websites & complex web apps from start to finish Writing clean, maintainable code that works perfectly on all devices ⛓️ Blockchain: Developing secure, decentralized solutions tailored to your needs Hands-on experience with smart contracts and blockchain integration 🤖 AI: Creating intelligent tools that learn, adapt, and make your projects smarter Implementing AI models to enhance user experience and automation Why work with me? ✅ I don’t just bring technical skills-I bring a positive attitude and dedication ✅ I listen carefully to your needs and go the extra mile to exceed expectations ✅ Reliable, communicative, and ready to tackle any challenge ✅ Your success is my priority, and I’m here to make your vision a reality If you’re looking for someone who can handle your project with skill, creativity, and a genuine commitment to your success, let’s chat! I’m excited to help bring your vision to life.