⭐⭐⭐ 𝟏𝟐+ 𝐘𝐞𝐚𝐫𝐬 | 𝐏𝐎𝐒 & 𝐒𝐚𝐚𝐒 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 | 𝐄𝐑𝐏, 𝐌𝐨𝐛𝐢𝐥𝐞 & 𝐖𝐞𝐛 𝐀𝐩𝐩𝐬 | 𝐍𝐞𝐭𝐰𝐨𝐫𝐤 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭 (𝐂𝐢𝐬𝐜𝐨/𝐌𝐢𝐤𝐫𝐨𝐓𝐢𝐤)| 📞 𝐅𝐫𝐞𝐞 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐜𝐲 ⚠️ Is your business struggling with outdated POS software, unstable SaaS platforms, or insecure networks? I help startups, SMEs, and enterprises build future-ready digital ecosystems that combine: ✔️ Custom POS & SaaS platforms ✔️ ERP/CRM systems tailored to your workflows ✔️ Scalable mobile & web apps ✔️ Secure enterprise networks & DevOps With 12+ years of proven experience, I deliver solutions that are scalable, reliable, and built to grow your business with confidence. 💡 My 3-Step Success Framework 1️⃣ Discovery & Planning – Understand your business goals, workflows, and target users 2️⃣ Design & Development – Build feature-rich, user-friendly, and scalable platforms 3️⃣ Delivery & Optimization – Secure, optimize, and provide long-term support 🔑 Key Expertise ✅ POS Systems & SaaS Platforms End-to-end POS with receipt printers, payment integrations (Stripe, PayPal, Adyen) Real-time analytics, offline sync, vendor integration SaaS solutions for retail, restaurants, healthcare, logistics & distributors ✅ Web & Mobile App Development React.js, Next.js, Laravel, .NET Core Flutter & React Native mobile apps (push notifications, geolocation, dashboards) SEO-friendly, responsive web portals & customer engagement tools ✅ MVP Development for Startups Fast-track MVPs with React, Node.js, Flutter, Firebase, PostgreSQL Scalable backend + investor/demo-ready prototypes ✅ ERP, CRM & CMS Solutions Inventory, automation, role-based dashboards Tailored ERP/CRM for retail, supply chain, healthcare, education, finance ✅ Cloud & DevOps CI/CD pipelines, Kubernetes, Docker, AWS, GCP Server security, Linux hardening, auto-scaling ✅ Network Engineering & Security Cisco & MikroTik (VLANs, Firewalls, VPNs, VoIP, Mesh Wi-Fi) Enterprise network design for hotels, retail, data centers ✅ Emerging Tech (IoT + AI) IoT-ready POS (barcode scanners, RFID, kiosks) AI integrations (OpenAI, TensorFlow, analytics dashboards) 🌍 Industries Served 📦 Retail & E-commerce | 🍽 Restaurants & Hospitality | 🏥 Healthcare | 🚚 Logistics & Supply Chain | 🎓 Education | 💰 FinTech & Banking | 🚀 Startups ⚙️ Tech Stack Frontend: React.js, Next.js, AngularJS, TypeScript Backend: Node.js, PHP, Laravel, .NET Core, Python Databases: PostgreSQL, MySQL, MSSQL, Firebase Mobile: Flutter, React Native Cloud/DevOps: AWS, GCP, Docker, Kubernetes, CI/CD Networking: Cisco, MikroTik, pfSense Servers: Ubuntu, Debian, Windows Server, VMware ✅ Why Work With Me? ✔️ Dual expertise in Software + Network Infrastructure ✔️ 12+ years delivering POS, SaaS, ERP & secure enterprise systems ✔️ Hands-on across multiple industries & tech stacks ✔️ Certified CCNA | MTCNA | MTCRE | MCSE ✔️ Transparent, fast, and reliable long-term partner 📅 Let’s Chat! Book a free consultation to discuss your POS system, SaaS MVP, ERP solution, or enterprise infrastructure. I’ll help you design, develop, and deploy scalable solutions that drive business growth.

I'm a Full-Stack Developer with 9 years of experience building reliable and scalable web and mobile applications. Core Skills: Front-end & Back-end Development Pixel Perfect Website Design REST API Development Database Design & Optimization Web Technologies: Node.js, Express.js React.js, Next.js PHP, Laravel HTML, CSS, JavaScript, Tailwind CSS Databases: MongoDB SQL Mobile App Development: Ionic React Native Cloud & DevOps: AWS (EC2, S3, Lambda, etc.) Microsoft Azure CI/CD & Deployment I focus on quality, clean code, and solving real business problems. Client satisfaction is my priority, not just delivering a task, but delivering it well. I’m adaptable, easy to work with, and always curious to learn new technologies. Let’s build something great together.

🚀 Full Stack Developer | Web & Mobile Specialist I have 7 years of hands-on experience building dynamic, responsive, and user-centric applications. I am an experienced Fullstack developer who brings designs to life with clean, user-friendly, and highly performant code. I combine stunning UI/UX with powerful backend logic. My strength lies in transforming complex requirements into elegant, scalable applications that are intuitive, fast, and reliable. 💡 Expertise in technical stacks 📍Frontend: React, React Native, Next.js JavaScript, TypeScript HTML, CSS, Tailwind CSS, SASS Material UI, Bootstrap Responsive and accessible design 📍Backend: Node.js, Express.js, NestJS RESTful API, GraphQL Authentication and authorization 📍State management and tools: Redux, Redux Toolkit Git and GitHub for version control 📍Databases: MongoDB, MySQL, PostgreSQL ✨ Whether you’re launching a startup, scaling an existing product, or simply looking to revamp your digital presence, I’m here to bring your vision to life with cutting-edge solutions and reliable execution. 📩 Let’s build something great together. Reach out today, and let’s turn ideas into amazing digital experiences.

I’m a skilled Full Stack JavaScript Developer with 10+ years of experience building fast, scalable, and responsive web applications using React.js, Node.js, Express.js, and MongoDB. I specialize in creating modern user interfaces, secure RESTful APIs, and real-time features for startups and enterprise clients. My expertise includes: Frontend: React.js, Next.js, Redux, Tailwind CSS, Bootstrap Backend: Node.js, Express.js, MongoDB, Firebase, MySQL APIs: REST, GraphQL, third-party API integration DevOps: Git, GitHub, CI/CD, Docker Tools: VSCode, Postman, Figma, Trello Whether you're launching a new SaaS product, fixing bugs, or scaling your application, I can help you deliver a high-performing solution — on time and within budget. ✔ Clean, maintainable code ✔ Fast communication & progress updates ✔ 100% Client Satisfaction Guaranteed Let’s build something impactful together. Feel free to invite me to your job!

I’m Saikat your full-stack UI/UX and Web Development Partner. I am Top Rated Web Developer with skills in delivery modern websites and applications. Are you looking for a web designer and developer who not only understands code but truly understands people? Someone who blends creativity, usability, and performance to deliver experiences that look stunning and work beautifully? Then let’s talk! I’m a multi-skilled UI/UX Designer and Full-Stack Web Developer with years of experience building modern, user-focused websites, landing pages, and mobile interfaces for clients across industries — from startups and solopreneurs to growing businesses and agencies. 🌐 What I Do Best: UI/UX Design: I craft wireframes, mockups, and prototypes that align user behavior with business goals. My designs are clean, user-centric, and always based on research. ✔Website Design & Development: From custom WordPress themes to high-conversion landing pages, I create responsive, SEO-friendly, and scalable sites. ✔Front-End Development: I specialize in modern frameworks like ReactJS and NextJS to deliver fast, dynamic, and interactive web applications. ✔WordPress Customization: Need a full website or plugin tailored to your brand? I’ve built dozens of WordPress sites with performance, security, and responsiveness in mind. ✔Landing Pages that Convert: I focus on building high-performing pages that help you capture leads, sell products, and grow faster. ✔Mobile App UI/UX: I also design and develop elegant mobile interfaces that feel intuitive and provide seamless navigation and interaction. 🔧 Tech Stack & Tools: Frontend: React.js, Next.js, HTML5, CSS3, JavaScript, TailwindCSS, Bootstrap ✔CMS: WordPress, Elementor, WPBakery, WooCommerce ✔Design Tools: Figma, Adobe XD, Photoshop, Illustrator ✔Backend Experience: PHP, MySQL, Laravel (basic to intermediate) ✔Deployment: Git, cPanel, FTP, Hosting setup ECommerce Platforms I work: ✅WooCommerce (WordPress eCommerce) ✅Shopify Development & Customization 🎯 Why Clients Hire Me: ✅ I understand the balance between design aesthetics and functional development ✅ I ask the right questions and stay aligned with your business goals ✅ I deliver pixel-perfect, fully responsive designs — tested and optimized ✅ I respect deadlines and communicate clearly throughout the project ✅ I’m proactive — offering suggestions, improvements, and best practices ✅ I treat your project like my own — your success is my success I’m currently available for both short-term and long-term contracts. If you’re ready to collaborate with someone who is creative, reliable, and deeply invested in delivering results — I’d love to connect! Expertise in UI/UX design, Wordpress, PHP, Laravel, Node, React, Mobile Application Development, Project Management. Over 10 years of experience, worked with clients across the globe with deep understanding of Software Development Lifecycle. Skills I excel are : ✅ Convert Figma/Photoshop/Adobe XD Design to Responsive HTML ✅ Website Landing Page ✅ Complete Responsive Website ✅ Sales Page Design ✅ Frontend Development ✅ Website Development ✅ E-commerce Website Development ✅ WordPress Theme Customization ✅ Custom WordPress Plugin Development ✅ Website Maintenance ✅ Quick Fixation and Modification ✅ Website Page Speed Optimization ✅ Mobile APP Development (React Native) ✅ Mobile APP Maintenance ✅ Brochure and Flyer Design ✅ Business Card Design ✅ Graphic Design for Social Media I have expertise in following software's/Frameworks ✅ Figma ✅ Bootstrap ✅ WordPress ✅ Shopify ✅ Webflow ✅ Woo-commerce ✅ Wix ✅ Laravel ✅ CodeIgnitor ✅ React JS ✅ Node JS ✅ React Native Why work with me : 🔹Specialize in website design and development, e-commerce, landing page 🔹Increase in ROI in your business process through SEO friendly website development 🔹Creating a lasting 'First Impression' on Design 🔹Fast turnaround time maintaining Quality of the work 🔹Unlimited Revisions on designs 🔹Flexible to work on budgets, can discuss negotiate 🔹Good Listener and ability to suggest according the latest market trends in Web Technology Keywords: WordPress Expert, Elementor, WPBakery (Builder), WebFlow Specialist, Shopify Developer, PHP Development, HTML5 & CSS3, JavaScript & jQuery, UI/UX Design, Figma, Photoshop, Illustrator, Website Performance Optimization, Responsive Web Design, Custom Theme Development, Plugin Development, ReactJS, ReactNative Development ✅ 𝐇𝐚𝐯𝐞 𝐚 𝐩𝐫𝐨𝐣𝐞𝐜𝐭? 𝐂𝐥𝐢𝐜𝐤 𝐭𝐡𝐞 “𝐈𝐍𝐕𝐈𝐓𝐄” 𝐛𝐮𝐭𝐭𝐨𝐧 𝐚𝐭 𝐭𝐡𝐞 𝐭𝐨𝐩 𝐨𝐟 𝐦𝐲 𝐩𝐫𝐨𝐟𝐢𝐥𝐞 Thank You.

I develop modern web and mobile applications using the MERN stack and Flutter. My experience includes building responsive web applications, cross-platform mobile apps, REST APIs, and scalable backend systems for startups and growing businesses. I work across the complete development lifecycle, from frontend interfaces to backend APIs, database design, deployment, and ongoing maintenance. Along with web development, I build Flutter applications that run smoothly on both Android and iOS from a single codebase. Services I provide: • Flutter mobile application development • Cross-platform Android & iOS applications • MERN Stack web application development • React.js and Next.js frontend development • Node.js and Express.js backend development • REST API development and integrations • MongoDB, Firebase, Supabase, and MySQL • Headless CMS development using Payload CMS and Strapi • Authentication, dashboards, and admin panels • Bug fixing, feature enhancements, and application maintenance • AWS, Vercel, and cloud deployment I focus on writing clean, maintainable code while delivering scalable applications that are easy to support and extend.

🔥 10+ years in engineering | Top Rated Plus | 100% JSS 👉 𝐇𝐢𝐭 𝐈𝐍𝐕𝐈𝐓𝐄 𝐓𝐎 𝐉𝐎𝐁 𝐨𝐫 𝐒𝐄𝐍𝐃 𝐌𝐄𝐒𝐒𝐀𝐆𝐄 — I reply fast with a clear technical approach, realistic scope, and actionable next steps tailored to your product. ✅ 100+ successful projects delivered ✅ Full expertise across frontend, backend, DevOps, and architecture ✅ Access to a full engineering team at CHI Software ❗️Available immediately 👋 Hi, I’m a Senior Full-Stack Engineer, Solution Architect, and Technical Partner with 10+ years of experience building scalable digital products. I help startups, SaaS companies, and growing businesses turn complex product ideas into stable, high-performance systems that are ready for production and built to scale. With 100+ successful projects delivered, Top Rated Plus status, and 100% Job Success, I bring both hands-on engineering depth and access to a full engineering team at CHI Software when projects require broader execution. My core expertise covers full-stack web development, backend architecture, cloud infrastructure, DevOps, performance optimization, and AI-powered product features. On the frontend, I build fast, SEO-optimized applications with React and Next.js, using SSR, SSG, ISR, caching strategies, and modern rendering patterns to improve load time, search visibility, and user engagement. On the backend, I work with Node.js, NestJS, and Express to design secure, scalable systems using PostgreSQL, MongoDB, Prisma, microservices, queues, and clean API architecture. I also work deeply with AWS, Docker, CI/CD pipelines, serverless services, and production infrastructure, helping products launch faster, run more reliably, and grow without constant rewrites. What makes my work valuable is that I do not approach projects as “just development.” I approach them as systems. That means I think about architecture, long-term maintainability, performance under load, security, product goals, and how each technical decision will affect the future cost and speed of the business. Whether I’m building a SaaS platform, internal business tool, customer-facing marketplace, or AI-powered workflow product, my focus is always the same: create engineering foundations that are stable, scalable, and commercially useful. I also specialize in AI integrations and intelligent product features. This includes OpenAI-powered chatbots, semantic search, automated content tools, smart workflows, and custom AI-assisted interfaces. I don’t treat AI as a trendy add-on. I integrate it where it creates measurable product value, fits naturally into the system, and improves the user experience in a real way. In security-sensitive environments, I work with authentication and authorization systems including OAuth2, JWT, RBAC/ABAC, encrypted data flows, and audit logging to ensure that applications are secure, compliant, and production-ready. Over the years, I’ve delivered solutions across SaaS, fintech, healthcare, e-commerce, internal enterprise tools, and custom web platforms. My engineering work has produced measurable results, including reducing API latency by 60%, improving page load times by 75%, scaling platforms to support 10x more concurrent users, achieving 99.99% uptime with AWS and Docker-based infrastructure, building HIPAA-compliant data pipelines, and improving data processing speed by 300%. I’ve also helped e-commerce products reduce cart abandonment, SaaS products improve system stability, and operational platforms automate workflows that previously required significant manual work. I’m strongest on projects where the technical side needs maturity: products with growing user bases, messy architecture, scaling pain, performance issues, unreliable deployments, or ambitious new features that need to be implemented the right way from the beginning. I can step in at different levels depending on the need: from direct development and technical leadership to architecture planning, technical audits, MVP definition, infrastructure setup, and long-term product scaling. If you’re looking for a Full-Stack Developer, Senior Node.js Engineer, React Developer, Next.js Expert, Backend Architect, AWS Developer, DevOps-minded engineer, or technical partner who can build strong systems and think beyond tickets, you’re in the right place. 📩 Invite me to your project and I’ll respond with a tailored technical approach, realistic estimate, and practical next steps.

With more than a decade of experience spanning various time zones, I am an accomplished developer proficient in both web and mobile development. My expertise lies in creating web applications and developing hybrid or native mobile apps for a range of platforms. I have honed my skills in building websites, and online marketplaces catering to both business-to-business (B2B) and business-to-consumer (B2C) sectors, as well as designing highly effective landing pages that generate significant conversions. Frontend Technologies: ✅React: Gatsby, Redux Thunk, Redux-saga, Context, Jumpsuit, Rematch, Recompose, Mobx, Styled Component, Apollo GraphQL, DVA, Next.js, Storybook, ReactXP, Ant Design ✅Angular: all Versions, AngularDart, Ngrx ✅UI Frameworks/Libraries : Tailwind, Bootstrap, Semantic UI, Material UI Backend Technologies : ✅PHP ✅Node ✅ASP.Net ✅Laravel CMS: ✅Shopify ✅Wordpress/Woocommerce ✅Wordpress Themes/Custom Development ✅Wix ✅Squarespace ✅Webflow Databases: ✅MySql ✅SQLite ✅PostgreSQL ✅NoSQL ✅MongoDB Native Apps: ✅Swift ✅Java Hybrid Apps: ✅React Native ✅Flutter Scrum / Agile Environments: ✅Github ✅Bitbucket ✅Gitlab ✅Jira ✅Trello ✅Slack Let's connect for more information about my skills and if you have other queries. Thanks

🧠 Software Engineer with strong experience in building modern SaaS products and AI powered applications using React.js, Next.js, Python, and Google ADK 🚀 Expertise in developing enterprise grade frontend systems with scalable architecture, clean UI, and high performance 💬 Built intelligent AI chatbots, voice assistants, and autonomous agents used in ecommerce, developer tools, and team productivity platforms 📊 Designed and delivered complex dashboards with charts, analytics, and data driven insights for business users 🛒 Created AI powered ecommerce assistants that allow customers to search, compare, and choose products using voice and chat 🔐 Implemented secure authentication, authorization, and role based access control for SaaS and enterprise platforms 📄 Developed PDF generation workflows for invoices, reports, and business documents 🔗 Integrated REST APIs and GraphQL APIs with frontend systems for real time and secure data flow ⚙️ Experienced in working in Agile and Scrum environments while collaborating closely with backend and product teams ✨ Focused on clean code, reusable components, and enterprise level UI standards that scale with growing businesses

Do you need a scalable, performant web platform with React frontends and NestJS backends? ✅ 4+ years building MERN apps eCommerce, SaaS, FinTech, AdTech, Health-tech and TravelTech ✅ Real‑time features with Socket.io; SSR, SSG, ISR expertise ✅ GraphQL & REST APIs with NestJS modules, Guards, DI, and clean architecture 🧰 CORE TECHNICAL STACK • Frontend: React, Next.js (SSR/SSG/ISR), Tailwind CSS, Framer Motion, GSAP, Shadcn, MUI, AntD, Three.js • Backend: Node.js, Express.js, NestJS, GraphQL, REST APIs, Firebase Functions, AWS Lambda • Mobile: React Native (Expo / CLI), NativeWind, Styled Components • Databases: PostgreSQL, MongoDB, MySQL, Prisma, Supabase • Authentication: Firebase Auth, Clerk, JWT, OAuth Providers • CI/CD & Deployment: Vercel, GitHub Actions, DigitalOcean, AWS (ECS, EKS, Amplify, EC2, S3, SQS) • Other Tools: Docker, Kubernetes, Stripe, Shopify (Polaris, App Bridge, Admin API), Redis, Reactotron 🧠 AI INTEGRATION EXPERTISE • Integrated OpenAI API, Gemini API, and Portkey.ai to orchestrate prompt routing across LLMs • Built context-aware UI agents inside MERN apps using GitHub CopilotKit and custom hooks • Defined AI action hooks to trigger app functions based on user prompts (e.g., CRUD ops, summaries, UI flows) • Deployed AI-enhanced features for content generation, smart search, and in-app automation 🔧 SPECIALIZATIONS & STRENGTHS ⚙️ Modular & Component-Based Architecture for scalable, maintainable codebases 🌐 SEO-Optimized SSR/SSG/ISR Apps using Next.js 🛠️ Shopify Public & Custom Apps with embedded UI, checkout extensions, and Polaris 💳 Stripe Expertise: Recurring subscriptions, usage-based billing, connected accounts, multi-currency wallets ☁️ AWS Serverless Architectures: Event-driven backends using Lambda, SQS, Dead Letter Queues 📱 React Native Apps: Cross-platform mobile apps with deep animation, navigation, and Firebase integration 📦 Docker + AWS Deployments: Scalable cloud apps with CI/CD pipelines and container orchestration 🔒 Authentication & Authorization Systems with secure role-based access ☁️ CLOUD & DEVOPS ENGINEERING • Built scalable event-driven AWS backends with Appsync, Cognito, SQS, DLQ, Lambda, CloudWatch • Deployed Dockerized apps to ECR + ECS/EKS, managing CI/CD and secure secrets handling • Used Kubernetes & Docker Compose for orchestrating multi-service backends • Designed cost-efficient, fault-tolerant AWS architectures with autoscaling and monitoring 💳 STRIPE PAYMENT EXPERTISE • Implemented one-time payments, tiered subscriptions, usage-based billing, refunds • Managed connected accounts, automated payouts, multi-currency wallets • Built secure cron-triggered billing jobs and event-driven sync with Stripe webhooks • Used Stripe as source of truth, with local wallet sync logic and failover mechanisms 📱 REACT-NATIVE EXCELLENCE • Built scalable apps for both iOS & Android with reusable components and native-like UX • Integrated animations (GSAP, Framer Motion), state management (Zustand, Redux), real-time APIs • Optimized for performance (lazy loading, reduced re-renders, async navigation) • Delivered real-world app like Lingvano with deep accessibility & cross-platform parity 📈 HIGHLIGHT PROJECTS: 🔹 Sirge.com Ecommerce SAAS dashboard for ad analytics Stack: React, Next.js, AWS (S3, Appsync, Lambda, SQS), Stripe (metered billing), PostgreSQL ➤ Built real-time UI + scalable webhook architecture with DLQ, Lambda workers, and usage metering. 🔹 TravelJinni.com Travel assistant app with GPT integration & Stripe wallets Stack: Next.js, GSAP, Stripe (multi-currency wallets, payouts), ChatGPT ➤ Built complex Stripe wallet system with webhooks, cron jobs, and failover sync. 🔹 CooperCrwn.com Practice management platform for eye doctors (SaaS) Stack: React, NestJS, MongoDB, Redux, Stripe ➤ Built full-stack medical app with secure auth and scalable data flows. 🔹 Shopify Public Apps (Live on App Store) • EZ Preorder – Theme App Extension for preorder • COD Monster – Checkout UI Extension & app block • Pineraffle – Gamified storefront widget • Process Wholesale – Custom wholesale checkout logic ➤ Built with App Bridge, Polaris, GraphQL Admin APIs, Theme Extensions, OAuth, billing scopes. 🔹 Lingvano - React Native App Sign Language Learning App (1M+ Downloads) ➤ Built with React Native CLI + Firebase; implemented smooth animations and offline support.