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I have over 17 years of experience in database management and software development, with a strong focus on full-stack web applications. I specializes in PHP, PHP Frameworks,MLM, Python, Django, FastAPI, Flask, ReactJs, AngularJs, Vue.js , Node.js and Spring Boot with expertise deploying to both server and server less environments. I also work with relational databases and large datasets. I always identify good algorithms for developing good functions. I can do the job according to client requirement and timely manner. [Work with me on a trial basis (pay only if satisfied), ensuring you hire me for the job.] Education: Bachelor of Technology [B. Tech] 2001-2005 Maulana Abul Kalam Azad University of Technology - West Bengal, India Skills: Languages: Python, SQL, JavaScript, ECMAScript, Java, CSS , HTML Scripting language: PHP, ECMAScript Frameworks: AngularJS , Vue.js ,Django, Django REST Framework, FastAPI, Flask, Ionic, CodeIgniter, CakePHP Micro service Framework: Spring Boot Libraries/APIs: React, SQLAlchemy, Facebook API, Google APIs, Node.js, Web3. Js, Flask-RESTful, Flask-Marshmallow, jQuery Tools: Apache Maven Paradigms: REST, Agile Integrated Development Environment (IDE) Support: Visual Studio Code, Eclipse, Brackets Platforms: Docker, Eclipse, Android, Amazon Web Services (AWS), Apache Kafka Windows platforms: Visual Studio Code Storage: MySQL, MariaDB ,PostgreSQL, NoSQL, PostgreSQL 14, MongoDB, Microsoft SQL Server, Firebase Database Other : WordPress, WooCommerce, OpenCart, Vanilla JavaScript I specially on developing a large scale web application with complex business logic. I already completed most of the complex and interesting projects. I am also good in communication and managing team as for last 7 years I worked Project Manager for most of the projects. I am also a MLM EXPERT. I developed complex business logic for different MLM companies across the world. I integrated different MLM plan such as Binary Plan, Uni-level Plan, Matrix Plan, Stair step Plan, Party Plan, Single Leg Plan, Board Plan, Cycler Plan, Auto Pool Rebirth Plan, Generation Plan, Monoline Plan etc. I am extremely carefully read client job description and analysis client requirement and develop an easy way so that anyone can easily understand. I wrote LESS CODE for any easy or complex application. I have mean stack, full stack and PHP full stack development tutorials are in my github account. I am looking for long term working relationships and seeking for projects that can challenge my skills and expertise and transcend my limits.

👑𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐭₿⃨ 🥇10+ years of 𝑺𝑶𝑳𝑰𝑫 experience 🕒 24*7 ✨ With over 10+ years of high-demand experience in 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, I specialize in delivering robust 𝗳𝗿𝗼𝗻𝘁-𝗲𝗻𝗱 and 𝗯𝗮𝗰𝗸-𝗲𝗻𝗱 solutions for 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀. My expertise covers comprehensive smart contract development, including 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆 and 𝗥𝘂𝘀𝘁 for platforms like 𝗘𝘁𝗵𝗲𝗿𝗲𝘂𝗺 and 𝗦𝗼𝗹𝗮𝗻𝗮. I excel in architecting, implementing, and auditing 𝗱𝗲𝗰𝗲𝗻𝘁𝗿𝗮𝗹𝗶𝘇𝗲𝗱 solutions tailored for industries like 𝗙𝗶𝗻𝘁𝗲𝗰𝗵, where 𝘁𝗼𝗸𝗲𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻, 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆, 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 are essential. By leveraging blockchain’s power, I create innovative applications that support 𝗱𝗲𝗰𝗲𝗻𝘁𝗿𝗮𝗹𝗶𝘇𝗲𝗱 𝗳𝗶𝗻𝗮𝗻𝗰𝗲 (𝗗𝗲𝗙𝗶), 𝗻𝗼𝗻-𝗳𝘂𝗻𝗴𝗶𝗯𝗹𝗲 𝘁𝗼𝗸𝗲𝗻𝘀 (𝗡𝗙𝗧𝘀), 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭 𝐀𝐮𝐝𝐢𝐭𝐨𝐫 and 𝗮𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁 functionality, ensuring secure and efficient solutions. My approach includes precise requirement 𝗮𝗻𝗮𝗹𝘆𝘀𝗶𝘀, 𝘀𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰 𝗽𝗹𝗮𝗻𝗻𝗶𝗻𝗴, 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁 𝗰𝗼𝗱𝗶𝗻𝗴, 𝘁𝗵𝗼𝗿𝗼𝘂𝗴𝗵 𝗱𝗲𝗯𝘂𝗴𝗴𝗶𝗻𝗴, 𝗮𝗻𝗱 𝘀𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁. With minimal supervision, I ensure each stage aligns with project goals, producing solutions that are both innovative and reliable. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 : - ============================================================================= 🔥𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻: 𝗕𝗶𝘁-𝗰𝗼𝗶𝗻, 𝗘𝘁𝗵𝗲𝗿𝗲𝘂𝗺, 𝗦𝗼𝗹𝗮𝗻𝗮 ,𝗘𝗢𝗦, 𝗛𝘆𝗽𝗲𝗿𝗹𝗲𝗱𝗴𝗲𝗿, 𝗦𝘂𝗯𝘀𝘁𝗿𝗮𝘁𝗲, 𝗡𝗙𝗧, 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆: 𝗲𝗿𝗰𝟮𝟬/𝗗𝗲𝗙𝗶, 𝗲𝗿𝗰𝟳𝟮𝟭/𝗡𝗙𝗧. 🔥𝗙𝗿𝗼𝗻𝘁-𝗲𝗻𝗱: 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗡𝗲𝘅𝘁, 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 (𝗘𝗦𝟲), 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗩𝘂𝗲.𝗷𝘀 🔥𝗕𝗮𝗰𝗸-𝗲𝗻𝗱: 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗣𝗛𝗣 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲. 🔥𝗗𝗕: 𝗠𝘆𝗦𝗤𝗟, 𝗠𝗼𝗻𝗴𝗼 𝗗𝗕 𝗣𝘂𝗯𝗹𝗶𝗰 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: - ============================================================================= ✔ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗶𝗻𝗴 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 𝘂𝘀𝗶𝗻𝗴 𝗮 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗹𝗮𝗻𝗴𝘂𝗮𝗴𝗲. ✔ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗶𝗻𝗴 𝗥𝗣𝗖 𝘂𝘀𝗶𝗻𝗴 𝗰𝗹𝗶𝗲𝗻𝘁 𝗹𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀 𝘀𝘂𝗰𝗵 𝗮𝘀 𝗪𝗲𝗯𝟯 ✔ 𝗦𝘁𝗮𝘁𝗶𝗰 𝗮𝗻𝗮𝗹𝘆𝘀𝗶𝘀 𝗼𝗳 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 𝗳𝗼𝗿 𝗴𝗮𝘀 𝗰𝗼𝗻𝘀𝘂𝗺𝗽𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝘂𝘀𝗶𝗻𝗴 𝗥𝗲𝗺𝗶𝘅 𝗜𝗗𝗘. ✔ 𝗦𝗲𝗰𝘂𝗿𝗶𝗻𝗴 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 𝘂𝘀𝗶𝗻𝗴 𝗹𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀 𝗹𝗶𝗸𝗲 𝗢𝗽𝗲𝗻𝗭𝗲𝗽𝗽𝗲𝗹𝗶𝗻. ✔ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗶𝗻𝗴 𝗘𝘁𝗵𝗲𝗿𝗲𝘂𝗺 𝗱𝗮𝗽𝗽𝘀 𝘂𝘀𝗶𝗻𝗴 𝘁𝗵𝗲 𝗧𝗿𝘂𝗳𝗳𝗹𝗲 𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸. ✔ 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝗰𝗿𝘆𝗽𝘁𝗼 𝘄𝗮𝗹𝗹𝗲𝘁𝘀 𝘀𝘂𝗰𝗵 𝗮𝘀 𝗠𝗲𝘁𝗮𝗺𝗮𝘀𝗸. ✔ 𝗦𝗸𝗶𝗹𝗹𝗲𝗱 𝗶𝗻 𝗹𝗲𝘃𝗲𝗿𝗮𝗴𝗶𝗻𝗴 𝗦𝗣𝗟 𝗹𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀 𝗳𝗼𝗿 𝗿𝗮𝗽𝗶𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✔ 𝗗𝗲𝗽𝗹𝗼𝘆𝗶𝗻𝗴 𝘀𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀 𝗼𝗻 𝘁𝗲𝘀𝘁 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝘀 𝘀𝘂𝗰𝗵 𝗮𝘀 𝗿𝗼𝗽𝘀𝘁𝗲𝗻/𝗿𝗶𝗻𝗸𝗲𝗯𝘆 𝗮𝘀 𝘄𝗲𝗹𝗹 𝗮𝘀 𝗘𝘁𝗵𝗲𝗿𝗲𝘂𝗺 𝗺𝗮𝗶𝗻𝗻𝗲𝘁. I'm always ready to provide efficient, impactful assistance and to take on new challenges swiftly. If you need any of the services mentioned, feel free to reach out—I'm prepared to dive in and deliver exceptional results! I pride myself on identifying the most cost-effective, high-quality solutions for every opportunity I encounter. Thank you for considering my profile! #BlockchainConsultant #SmartContracts #DecentralizedApps #Solana #Ethereum #Bitcoin #DeFi #NFT #Web3 #CryptoDevelopment #BlockchainExpert #FullStackBlockchain #SolidityDev #FintechSolutions #Tokenization #SmartContractAuditing #FrontEndBlockchain #BackendArchitecture #ReactJS #NodeJS #Laravel #MongoDB #MySQL #MetamaskIntegration #OpenZeppelin #TruffleFramework #CryptoWalletIntegration #BlockchainInnovation #TechnologyConsultant #TechLeadership #CostEffectiveSolutions #ReadyToCode

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!

⭐⭐⭐⭐⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 🏆 𝗥𝗮𝗻𝗸𝗲𝗱 𝗶𝗻 𝘁𝗵𝗲 𝗧𝗼𝗽 𝟱% 𝗼𝗳 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿𝘀 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 Hi, I'm Shivam Verma — a senior full-stack developer with 9+ years building production web applications, from React/Next.js front ends to Node.js/Express backends, architecture, and deployment. I work end to end: UI design, API development, database design, and the scalability decisions that keep a platform stable as usage grows. I've architected systems supporting 10,000–50,000 concurrent users, built wallet and payment infrastructure that processed $2M+ in transactions, and led a microservices migration that cut deployment times by 30%. I also bring backend experience with Ethereum/Web3-adjacent systems from prior fintech-crypto work. P.S. Restarting on Upwork after 2 years. Same quality work. Ready to move fast. 💼 𝗠𝗬 𝗕𝗔𝗖𝗞𝗚𝗥𝗢𝗨𝗡𝗗 9+ years building products that work. I've: Architected platforms supporting 10,000–50,000 concurrent users Led a microservices migration that cut deployment times by 30% Built wallet infrastructure processing $2M+ in transactions with real-time balance tracking Automated CI/CD pipelines, cutting release cycle time by 40% Optimized backend performance, increasing system throughput and cutting processing costs by 60% Provided technical leadership and mentorship to engineering teams Worked across the full SDLC in Agile/Scrum environments 🧠 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 ⚛️ 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱: React, Next.js, Redux, HTML5, CSS3, responsive design, accessibility (a11y), Webpack/Vite 🛠 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱 & 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: Node.js, Express, microservices, REST, GraphQL, WebSockets, async programming patterns 🔌 𝗠𝗲𝘀𝘀𝗮𝗴𝗶𝗻𝗴 & 𝗖𝗮𝗰𝗵𝗶𝗻𝗴: Kafka, RabbitMQ, AWS SQS, Redis 🗃 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MySQL, MongoDB — schema design, query optimization ✅ 𝗧𝗲𝘀𝘁𝗶𝗻𝗴, 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Jest, React Testing Library, TDD, code review, application security ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: AWS (Lambda, EC2, S3), Docker, Jenkins, CI/CD ⛓ 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻/𝗪𝗲𝗯𝟯 (𝗳𝗶𝗻𝘁𝗲𝗰𝗵 𝗯𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱): Wallet infrastructure, transaction processing, Ethereum-adjacent backend work 🔧 𝗧𝗼𝗼𝗹𝘀 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄: Git/GitHub, Agile/Scrum, technical documentation 🏆 𝗦𝗘𝗟𝗘𝗖𝗧𝗘𝗗 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦 - Peak Mindful — Next.js + Node.js wellness platform, reached 10,000 users - Roaming Duck — React/Next.js travel planning platform, 15,000 users within 3 months of launch - Gas Hero — React/PostgreSQL on-demand fuel delivery app with real-time order tracking - AI-Powered Analytics Dashboard — React front end + Node.js API aggregating multi-source data ✅ 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? - 9+ years shipping full-stack products end to end - Experience with high-concurrency systems and financial-transaction infrastructure - Strong on testing, code quality, and application security - Comfortable mentoring teams and working cross-functionally - Available for PST-hour overlap 📩 𝗟𝗘𝗧'𝗦 𝗪𝗢𝗥𝗞 𝗧𝗢𝗚𝗘𝗧𝗛𝗘𝗥 If you're building a SaaS MVP, a scalable full-stack platform, a fintech/wallet system, or need a senior engineer who can own a feature end to end — send me a message or invite. I'm here to help.