Tanjid Karim S.

🚀 𝙃𝙖𝙫𝙚 𝙖𝙣 𝙞𝙙𝙚𝙖 𝙛𝙤𝙧 𝙖 𝙬𝙚𝙗 𝙤𝙧 𝙢𝙤𝙗𝙞𝙡𝙚 𝙖𝙥𝙥? 𝙄 𝙝𝙚𝙡𝙥 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨𝙚𝙨 𝙖𝙣𝙙 𝙨𝙩𝙖𝙧𝙩𝙪𝙥𝙨 𝙩𝙪𝙧𝙣 𝙞𝙙𝙚𝙖𝙨 𝙞𝙣𝙩𝙤 𝙛𝙖𝙨𝙩, 𝙨𝙘𝙖𝙡𝙖𝙗𝙡𝙚, 𝙖𝙣𝙙 𝙪𝙨𝙚𝙧-𝙛𝙧𝙞𝙚𝙣𝙙𝙡𝙮 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨 𝙪𝙨𝙞𝙣𝙜 𝙩𝙝𝙚 𝙈𝙀𝙍𝙉 𝙎𝙩𝙖𝙘𝙠, 𝙍𝙚𝙖𝙘𝙩.𝙟𝙨, 𝙉𝙚𝙭𝙩.𝙟𝙨, 𝙖𝙣𝙙 𝙍𝙚𝙖𝙘𝙩 𝙉𝙖𝙩𝙞𝙫𝙚 𝙛𝙧𝙤𝙢 𝙘𝙪𝙨𝙩𝙤𝙢 𝙬𝙚𝙗 𝙖𝙥𝙥𝙨 𝙩𝙤 𝙛𝙪𝙡𝙡𝙮 𝙛𝙪𝙣𝙘𝙩𝙞𝙤𝙣𝙖𝙡 𝙞𝙊𝙎 𝙖𝙣𝙙 𝘼𝙣𝙙𝙧𝙤𝙞𝙙 𝙖𝙥𝙥𝙡𝙞𝙘𝙖𝙩𝙞𝙤𝙣𝙨. Hi, I'm Tanjid Karim, a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with expertise in the 𝗠𝗘𝗥𝗡 𝗦𝘁𝗮𝗰𝗸, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗡𝗲𝘅𝘁.𝗷𝘀, and 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁. I help startups, businesses, and entrepreneurs build fast, scalable, and high-performance web applications and mobile apps that are designed around real business goals. My focus is on transforming ideas, designs, and business requirements into clean, responsive, secure, and production-ready digital products. Whether you need a complete web application, a modern frontend, a robust backend, or a cross-platform mobile app, I can help take your project from concept to launch. 🔹𝐖𝐡𝐚𝐭 𝐈 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐢𝐧 As a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 and 𝗠𝗘𝗥𝗡 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, I work across the complete development lifecycle—from frontend development and backend architecture to API integration, database management, performance optimization, and deployment. 🔹𝐌𝐲 𝐜𝐨𝐫𝐞 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐬: • MongoDB • Express.js • React.js • Node.js • Next.js • JavaScript • TypeScript • React Native I build modern, maintainable applications with a strong focus on performance, scalability, user experience, and clean code. 🔹𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡 • Full Stack Web Application Development • MERN Stack Development • Custom Web Application Development • React.js Frontend Development • Next.js Development with SEO Optimization • React Native Mobile App Development • Cross-Platform Android & iOS Applications • Figma to React.js / Next.js Conversion • Node.js Backend Development • REST API Development & Integration • MongoDB Database Integration • Authentication & Authorization • Third-Party API Integration • Bug Fixing & Troubleshooting • Performance Optimization • Existing Application Improvements & Maintenance ✅ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 As a React Developer, I build dynamic, responsive, and user-friendly interfaces that provide a smooth experience across devices. I can turn your Figma designs into pixel-accurate, clean, and responsive React.js or Next.js applications. I also focus on frontend performance, maintainable component architecture, responsiveness, and SEO best practices when working with Next.js. ✅ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 A great application needs more than an attractive interface. I build reliable backend systems using Node.js and Express.js, develop REST APIs, integrate databases, and connect frontend and backend systems into a complete, functional product. My goal is to create applications with clean architecture that are easy to maintain and capable of growing alongside your business. ✅ 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I also develop cross-platform mobile applications using React Native for both Android and iOS. Whether you're building a new mobile app, connecting an existing backend, or improving an existing application, I focus on delivering smooth, responsive, and scalable mobile experiences that are ready for production. 🔹 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐈 𝐜𝐚𝐧 𝐰𝐨𝐫𝐤 𝐨𝐧 • Startup MVPs • SaaS Platforms • Custom Web Applications • Business Management Systems • Dashboards & Admin Panels • CRM Systems • Marketplaces • Mobile Applications • Internal Business Tools • API-Based Applications • Existing Web & Mobile App Improvements 🔹 𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤 I believe development should always support the bigger business objective. That means understanding your requirements, planning the right technical approach, writing maintainable code, and building solutions that can scale over time. I value clear communication, attention to detail, and taking ownership of the work I deliver. Whether you need a developer for a specific feature, ongoing development, bug fixing, or an entire product built from scratch, I aim to provide a reliable and high-quality solution. 🚀 If you're looking for a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗠𝗘𝗥𝗡 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗥𝗲𝗮𝗰𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗡𝗲𝘅𝘁.𝗷𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗼𝗿 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 who can build fast, scalable, and production-ready applications, let's discuss your project.