Hire the Best Blockchain Developers in Jaipur, IN

Need a secure Solidity contract, DeFi module, or crypto payment backend for real transactions? I build production-ready Web3 systems with safe wallet flows and reliable APIs. Most Web3 problems do not come from code that simply fails to compile. They come from weak transaction handling, unsafe smart contract logic, poor wallet-state validation, broken backend sync, missing tests, and rushed deployment. That is where I help. I work with founders, CTOs, startups, and product teams building Web3, DeFi, fintech, crypto payment, and backend-heavy products. My focus is secure architecture, clean implementation, and production reliability. What I can build for you: • Solidity smart contracts for ERC-20, ERC-721, ERC-1155, staking, vesting, escrow, token launches, bonding curves, and DeFi logic • Web3 backends using Node.js, NestJS, TypeScript, PostgreSQL, Redis, Docker, AWS, Nginx, and CI/CD • Crypto payment systems with USDT escrow flows, wallet dashboards, deposits, withdrawals, transaction tracking, and admin controls • DeFi platforms with token swaps, fair-launch flows, bonding curves, liquidity automation, and real-time pricing • dApp integrations with React, Next.js, MetaMask, Ethers.js, Web3.js, Wagmi, RainbowKit, and smart contract event handling • Production support including smart contract review, gas optimization, API cleanup, backend hardening, deployment, monitoring, and documentation Proof: • 100% Job Success on Upwork • Rising Talent status • $10K+ Upwork earnings • 414+ Upwork hours • CEH-certified security background • Built Web3 systems across USDT escrow, ERC-20 swaps, fair-launch token platforms, NFT marketplaces, SaaS backends, wallet flows, and transaction-heavy APIs Client feedback: “Delivered production-ready code with no hand-holding.” “Technically strong in blockchain concepts and proactive in solving issues.” “Delivered clean, well-structured code on time.” Core stack: Solidity, Ethereum, Polygon, Arbitrum, Base, Hardhat, Foundry, OpenZeppelin, Ethers.js, Web3.js, Wagmi, MetaMask, IPFS, Chainlink, Node.js, NestJS, TypeScript, PostgreSQL, Redis, Docker, AWS, Nginx, CI/CD, React, Next.js. Send me what you are building, what is already done, and where the risk is. I will help you define the safest technical path and build a stable Web3 system around it.

Senior Business Analyst with 9+ years of experience in requirement gathering, business analysis, and solution delivery across SaaS, eCommerce, Social Platforms, Blockchain, Construction Platforms. Strong understanding of SDLC and Agile methodologies, with hands-on experience in stakeholder management, requirement documentation, and process improvement. Skilled in gap analysis, translating business needs into functional specifications and user stories, and supporting solution design, implementation, and testing. Focused on improving business processes, enhancing user experience, and enabling data-driven decision-making.

When a business wants to build fast, scale confidently, and stay technically relevant in a world driven by AI, it needs more than someone who can code, it needs someone who can architect, optimize, and deliver intelligent digital products end-to-end. That’s the role I’ve played for 12+ years as a Full Stack Developer specializing in AI-powered systems, high-performance web platforms, and modern mobile applications. I help founders, product teams, and growing companies bring ideas to life, rescue projects in trouble, or expand their engineering capabilities with stability, clarity, and technical depth. Whether you need a React Native mobile app, a Node.js backend, a React/Angular web console, or an AI-enabled feature built into your existing product, I step in, take ownership, and deliver solutions that feel polished, reliable, and future-ready. My technical foundation spans modern full-stack engineering: React.js, React Native, Angular, Vue.js, and backend systems powered by Node.js, Express.js, PHP, Laravel, and scalable database architectures using MySQL, MongoDB, and PostgreSQL. I build clean APIs, optimize existing codebases, refactor legacy systems, and architect cloud-ready infrastructures that perform under real-world loads. Where AI Fits In and Why It Matters Every high-performing product today benefits from some layer of AI automation. I make AI practical, not theoretical, by embedding intelligence directly into the stack: ✅ AI chatbots and autonomous agents for support, onboarding, and data handling ✅ Machine-learning add-ons built with TensorFlow, Scikit-learn, or lightweight Python microservices ✅ NLP components for sentiment analysis, document parsing, and user intent recognition ✅ AI-assisted QA pipelines using automated test generation, coding copilots, and anomaly detection ✅ Automation workflows via Make.com, n8n, Zapier, or custom Python/Node jobs ✅ LLM integrations (OpenAI, Claude, DeepSeek) that reduce friction across the user journey These AI integrations reduce manual work, improve decision-making, accelerate development, and help your product stand apart in a crowded market. Strong UI Engineering, Modern Styling Systems & Optimized Frontend Workflows Exceptional products don’t just function well, they feel smooth, intuitive, and visually consistent. I work extensively with UI kits and styling systems that accelerate development while maintaining aesthetic precision: ✅ Material UI, Chakra UI, Ant Design, NativeBase ✅ Tailwind CSS, Bootstrap 5, Materialize ✅ Styled Components, Emotion, Sass ✅ React Navigation, React Hook Form, Formik ✅ Axios, TanStack Query, Zustand, Redux Toolkit Pairing these with strong frontend patterns, component-based architecture, and optimized build pipelines (Webpack, Vite, Babel, ESBuild), I deliver interfaces that load fast, scale effortlessly, and provide a clean, modern user experience across devices. A Quick Story That Reflects My Work A startup approached me after their original developer left mid-way. The app ran on React Native, but navigation was broken, API responses were inconsistent, and performance had degraded with every new update. I rebuilt critical modules, replaced poorly designed components with a standardized UI kit, optimized API calls using Axios + caching, and layered in AI-driven analytics to understand user behavior more accurately. What changed? ✅ App load time improved by 60% ✅ Crash rate dropped significantly ✅ UI became consistent across Android and iOS ✅ Development cycles shortened because the codebase finally became maintainable ✅ AI-driven insights helped the team prioritize features based on real user patterns This wasn’t just development, it was architectural correction, intelligent automation, and experience-focused engineering coming together. How I Improve Your Processes and Reduce Your Costs My work is grounded in business outcomes: ✅ Clear, maintainable architecture that reduces long-term technical debt ✅ Automation everywhere possible to remove repetitive manual work ✅ AI-driven enhancements that create smarter, more responsive user experiences ✅ Clean UI workflows to improve usability and reduce user confusion ✅ Scalable infrastructure so your product grows without rewrites ✅ Predictable delivery and transparent communication Your team moves faster. Your product becomes more stable. Your costs drop. How I Work With You ✅ I clarify scope and identify risks early ✅ I architect solutions with scalability in mind ✅ I write clean, modular, testable code ✅ I communicate proactively, no guesswork, no silence ✅ I support long-term engagements and evolving roadmaps Let’s Build Something Intelligent and High-Performing If you need a full stack developer who blends strong engineering with real AI expertise, and who can elevate your web or mobile product into something stable, smart, and user-delighting, let’s talk. Your next build deserves the right technical foundation and a partner who treats yo

Hi there! 👋 I’m a passionate React & Full Stack Developer with strong expertise in building scalable, high-performing web applications using modern JavaScript frameworks and cloud technologies. I focus on creating clean, efficient, and maintainable code — delivering seamless user experiences and solid backend architecture. ⚙️ Tech Stack 🚀 Front-End: React.js, Next.js, TypeScript, Tailwind CSS, Redux, Framer Motion 🧠 Back-End: Node.js, Express.js, FastAPI 🗄️ Databases: MongoDB, PostgreSQL, Supabase ☁️ Cloud & DevOps: Vercel, AWS, Render, Railway 🤖 Integrations: OpenAI API, Stripe, Firebase, REST & GraphQL APIs 🧩 What I Can Do for You ✅ Build responsive, pixel-perfect React/Next.js interfaces ✅ Develop full-stack web apps with secure backend APIs ✅ Integrate OpenAI or 3rd-party APIs for smart automation ✅ Create dashboards, admin panels, or SaaS platforms ✅ Optimize performance, SEO, and Lighthouse scores ✅ Deploy and manage scalable cloud-based solutions 🤝 Why Work With Me 💡 Strong problem-solving mindset 📅 Reliable communication & on-time delivery 🧩 Detail-oriented with clean, modular architecture 📈 Focused on long-term project success, not quick fixes 🔗 Let’s Build Something Amazing Whether you need a high-performance web app, an AI-integrated solution, or a modern SaaS platform, I’ll help you bring your vision to life with quality and precision. ✨ Let’s connect and turn your ideas into code that performs!

Hi, I'm Bani Soni, and I'm really good at making cool websites and mobile apps. I've been doing this for more than 5 years and have helped lots of companies around the world. Here's what I'm great at: 1. Web & Mobile App Development 2. Architecture Design 3. Performance Optimization 4. Problem Solving If you need someone to make your ideas real, make your existing apps better, or solve tough tech problems, I'm here for you. Let's chat and figure out how I can help your project be awesome. Best regards Bani Soni

I've been doing back-end / embedded / system software development since 2012 and working on Blockchain-related projects since 2016. The Blockchain is just beginning to find its footing in the larger economy. I am a Blockchain evangelist who strongly believes the bright future of it. Here are my skillsets. - Blockchain (Stellar/Hyperledger/Ethereum etc) - Golang/C/C++/Dart/Python/React JS/Node JS/JavaScript/Angular - Distributed Computing & Microservices - Google Cloud Platform & AWS - Docker, Docker-Compose, Docker-Swarm - Github, SVN - REST/SOAP/GraphQl API I will work with you to discover what you need and create the best solution. My priorities are quality and respect of deadlines and budget. I love to share my enthusiasm and passion for project, so feel free to contact me.