# Md. Shamsad Alam Meraj > Senior Software Engineer & SaaS Architect based in Dhaka, Bangladesh. > Specializing in Full-Stack SaaS Product Development, Next.js, React, TypeScript, FastAPI, PostgreSQL, and AWS. > Creator of published npm packages with thousands of installs (`country-rules`, `bangladesh-holidays`, `@stackvibe-studio/ui`, `@stackvibe-studio/motion`, `@stackvibe-studio/three`). ## Profile Summary - **Name**: Md. Shamsad Alam Meraj - **Role**: Senior Software Engineer / Senior Frontend Engineer / Full-Stack SaaS Architect - **Experience**: 4+ years (since June 2022) delivering production-grade SaaS platforms, distributed systems, and design systems - **Current Position**: Senior Frontend Engineer at THSnet, Inc. (Aug 2024 - Present) - **Education**: B.Sc. in Software Engineering, Daffodil International University (CGPA 3.33 / 4.00) - **Location**: Dhaka, Bangladesh (Available for Remote, Hybrid, and Global roles) - **Email**: shamsad.alam.meraj@gmail.com - **Phone / WhatsApp**: +880 1710-346426 - **GitHub**: https://github.com/shamsad-alam-meraj - **LinkedIn**: https://www.linkedin.com/in/md-shamsad-alam-meraj - **npm**: https://www.npmjs.com/~shamsad.meraj --- ## Technical Competencies - **Frontend & Architecture**: React 19, Next.js (App Router, Turbopack, SSR, ISR), TypeScript, JavaScript (ES6+), React Native, Ionic, Tailwind CSS, Framer Motion, Three.js, WebGL, Radix UI, shadcn/ui. - **Backend & Cloud APIs**: Python, FastAPI, Node.js, NestJS, Express.js, Fastify, RESTful APIs, WebSockets, Socket.io, Microservices. - **Databases & Cache**: PostgreSQL, MySQL, MongoDB, Mongoose, Redis, Firebase Firestore. - **DevOps, Cloud & Infrastructure**: AWS (S3, EC2, CloudFront, Lambda), Docker, Terraform, CI/CD (GitHub Actions), Vercel, Linux systems. - **AI-Assisted Engineering**: LLM Integrations, Prompt Engineering, Automated Test Generation, AI-Driven Code Refactoring, RAG architectures. - **Testing & Tools**: Jest, React Testing Library, Postman, Git, GitHub, Bitbucket, Figma. --- ## Published npm Packages 1. **country-rules** (`npm i country-rules`) - Production-grade country intelligence with flags, checkout rules, validation, and international metadata for global e-commerce and SaaS apps. - URL: https://www.npmjs.com/package/country-rules - Source: https://github.com/shamsad-alam-meraj/country-rules 2. **bangladesh-holidays** (`npm i bangladesh-holidays`) - Zero-dependency Bangladesh holiday calendar and business-day toolkit with official government data, Bangla localization, and ICS export. - URL: https://www.npmjs.com/package/bangladesh-holidays - Source: https://github.com/shamsad-alam-meraj/bangladesh-holidays 3. **@stackvibe-studio/ui** (`npm i @stackvibe-studio/ui`) - Core accessible React 19 component library for StackVibe UI, engineered with Tailwind CSS, Radix primitives, and fluid glassmorphic styling. - URL: https://www.npmjs.com/package/@stackvibe-studio/ui - Source: https://github.com/StackVibe-Studio/stackvibe-ui 4. **@stackvibe-studio/motion** (`npm i @stackvibe-studio/motion`) - Micro-interaction & motion primitives for React: spring physics, magnetic cursors, 3D tilt cards, spotlights, and dynamic text reveals. - URL: https://www.npmjs.com/package/@stackvibe-studio/motion 5. **@stackvibe-studio/three** (`npm i @stackvibe-studio/three`) - Declarative 3D canvas components, particle starfields, floating geometric primitives, and WebGL canvas wrappers for React Three Fiber. - URL: https://www.npmjs.com/package/@stackvibe-studio/three 6. **@stackvibe-studio/cli** (`npm i @stackvibe-studio/cli`) - Scaffolding CLI tool to quickly initialize modern Next.js 16 + Tailwind CSS full-stack apps with pre-wired UI primitives. - URL: https://www.npmjs.com/package/@stackvibe-studio/cli 7. **react-clean-time-picker** (`npm i react-clean-time-picker`) - Lightweight, zero-dependency 12h/24h time picker with touch wheel gestures and full keyboard navigation. - URL: https://www.npmjs.com/package/react-clean-time-picker 8. **next-route-visualizer** (`npm i next-route-visualizer`) - Developer tool visualizing Next.js App Router hierarchy, route groups, and loading/error states in a visual tree graph. - URL: https://www.npmjs.com/package/next-route-visualizer --- ## Featured SaaS Projects - **bachOS** (Unified Workspace for Higher Education) - Next.js 15, TypeScript, Tailwind CSS, shadcn/ui, PostgreSQL, Prisma, Pusher. - Multi-tenant university OS with real-time class scheduling, grade calculations, role-based portals, and peer study groups. - Live: https://bach-os-demo.vercel.app/ - Client Repo: https://github.com/shamsad-alam-meraj/bachOS - **Boi Exchange** (Peer-to-Peer Book Exchange Marketplace) - React, Tailwind CSS, Node.js, Express.js, MongoDB, JWT, Stripe API. - Marketplace connecting readers to trade, buy, and resell pre-owned books with real-time chat, escrow payments, and geo-search. - Live: https://boi-exchange-web.web.app/ - Client Repo: https://github.com/shamsad-alam-meraj/boi-exchange-client - Server Repo: https://github.com/shamsad-alam-meraj/boi-exchange-server - **Path Finder** (Travel Discovery & Goal Planner) - Next.js, TypeScript, Tailwind CSS, shadcn/ui, Recharts, NextAuth, Zustand. - Live: https://pathfinder-wslo.vercel.app/ - **Gift Mate** (Smart Recommendation & Gifting Platform) - React, SCSS, GSAP, Firebase Auth, Tailwind CSS, Redux, Zod. - Live: https://gift-mate.netlify.app/ --- ## Professional Career History 1. **Senior Frontend Engineer** | THSnet, Inc. (Aug 2024 - Present) - Architecting high-performance modular frontend applications using React, Next.js, TypeScript, and Tailwind CSS. - Designing scalable RESTful endpoints and asynchronous service flows with FastAPI and PostgreSQL. - Introducing reusable component libraries and CI/CD automation pipelines, reducing release regression cycles by 35%. 2. **Frontend Engineer** | Everything Green (Jan 2024 - Jul 2024) - Built client-facing web and mobile applications using React, React Native, TypeScript, and Redux Toolkit. - Integrated third-party analytics and multi-tenant payment gateways, boosting conversion by 22%. - Led agile sprint planning and technical onboarding for junior developers. 3. **Junior Frontend Engineer** | EkkBaz.AI (Jun 2022 - Dec 2023) - Engineered responsive web dashboards and mobile hybrid apps with React and Ionic. - Optimized Redux state management and reduced JavaScript bundle footprint by 28%. - Collaborated closely with product designers to ship pixel-perfect Figma designs into production. --- ## Certifications - **Problem Solving (Basic)** — HackerRank (May 2024) - **Front-End Developer Professional Certificate** — Coursera / Meta (Dec 2023) - **Python for Everybody Specialization** — Coursera / University of Michigan (Aug 2023) --- ## Services Offered - **Full-Stack SaaS Product Development**: end-to-end delivery of multi-tenant SaaS platforms with Next.js, React, TypeScript, FastAPI, Node.js/NestJS, and PostgreSQL. - **Frontend Architecture & Design Systems**: scalable React/Next.js codebases, reusable component libraries, performance tuning, and accessibility. - **Backend & API Engineering**: RESTful APIs, WebSockets, and microservices with FastAPI, Node.js, NestJS, and Express. - **Cloud, DevOps & CI/CD**: AWS (S3, EC2, CloudFront, Lambda), Docker, Terraform, GitHub Actions, and Vercel deployments. - **AI & LLM Integrations**: chatbots, RAG pipelines, prompt engineering, and AI-assisted engineering workflows. - **Technical Consulting**: SaaS product architecture reviews and full-stack engineering consulting. --- ## Availability - **Status**: Available for Senior Software Engineering opportunities, SaaS product architecture, and full-stack engineering consulting. - **Work Modes**: Remote, Hybrid, and Global roles; freelance and contract projects. - **Time Zone**: Dhaka, Bangladesh (GMT+6), flexible overlap with US, EU, and APAC teams. - **How to reach**: email shamsad.alam.meraj@gmail.com or WhatsApp +880 1710-346426 (https://wa.me/8801710346426). --- ## Contact - **Email**: shamsad.alam.meraj@gmail.com - **WhatsApp / Phone**: +880 1710-346426 - **Location**: Dhaka, Bangladesh --- ## Frequently Asked Questions - **Is Shamsad available for hire?** Yes: senior engineering roles, SaaS architecture, freelance and contract work; remote, hybrid or global. - **Is he full-stack?** Yes: React/Next.js frontends plus FastAPI, Node.js/NestJS backends, PostgreSQL/MongoDB/Redis, and AWS/Docker/CI/CD. - **Does he build mobile apps?** Yes, with React Native and Ionic. - **Does he have AI experience?** Yes: LLM integrations, RAG, chatbots, prompt engineering and AI-assisted engineering. - **Has he led teams?** He led sprint planning and onboarded junior developers at Everything Green, and introduced component libraries and CI/CD at THSnet. - **Key results:** 35% fewer release regressions (THSnet), 22% higher conversion (Everything Green), 28% smaller JS bundles (EkkBaz.AI). - **Rates and timelines:** depend on scope; send a brief to shamsad.alam.meraj@gmail.com for an estimate. - **Fastest contact:** WhatsApp +880 1710-346426 (https://wa.me/8801710346426). --- ## Key Links - [Portfolio](https://shamsad.vercel.app/): Main site with experience, projects, skills, and contact form - [Resume (PDF)](https://shamsad.vercel.app/Meraj_Resume_SSE.pdf): Downloadable resume - [GitHub](https://github.com/shamsad-alam-meraj): Source code and open-source work - [LinkedIn](https://www.linkedin.com/in/md-shamsad-alam-meraj): Professional profile - [npm](https://www.npmjs.com/~shamsad.meraj): Published packages - [Privacy Policy](https://shamsad.vercel.app/privacy): Cookies, analytics, and chat data