I'm Mahenul Haque Chowdhury, a Full-Stack Engineer, Product Designer, and Founder of GrayVally Software Solutions - dedicated to crafting high-performance web applications with a focus on user experience and technical excellence.
Try not to become a man of success, but rather try to become a man of value.
- Albert Einstein
Frontend
Next.js, React, Tailwind, Framer Motion
Backend
Node.js, databases, APIs, auth, deployments
Business
SaaS, CRM, HRMS, e-commerce, service websites
Delivery
Design systems, documentation, launch support
Selected capabilities
The work covers strategy, interface, and production engineering.
A portfolio should show judgment, not just decoration. These are the services I connect into finished products.
Web Products
Next.js, React, and TypeScript builds with performance, SEO, and scalable component systems.
Commerce
Product browsing, checkout flows, admin surfaces, and conversion-focused storefronts.
Backend Systems
APIs, databases, automation, authentication, and server architecture for reliable products.
Product Design
Interface direction, design systems, interaction details, and UX cleanup for shipped apps.
Automation
Bots, workflows, internal tools, and integrations that remove repeated manual work.
Growth Foundations
Technical SEO, analytics-ready pages, fast launches, and maintainable product roadmaps.
Featured projects
Real shipped work with room for deeper case studies.
Tooling
Tech Stack
The tools I use to design, build, deploy, and maintain production-ready products.
Frontend
Backend
DevOps & Tools
Next build
Add the next project without redesigning the portfolio.
Project showcases now come from a shared data source, so adding new work is a content task instead of a layout rewrite.
Discuss a project