About Me

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Available for Global Remote & Relocation

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Architecting Solutions for the Global Market

I am a specialized Full Stack Architect dedicated to engineering mission-critical, highly scalable applications for an international audience. I excel in high-trust, remote-first environments, delivering elite-level software that bridges the gap between complex backend architectures and seamless user experiences.

Backend Core Expertise

NestJS

Enterprise Scalability

ExpressJS

High-Performance APIs

GraphQL

Type-Safe Data

REST APIs

Clean & Robust

PostgreSQL

Relational Prowess

MongoDB

NoSQL Architecting

1.5+

Professional Experience

8+

Live Projects

4+

SaaS Applications

Work Experience

ExpressItBD, Dhaka

Full Stack Developer

January 2025 - Present
  • Promoted to architect and deliver end-to-end solutions for 6+ production-grade web apps (SaaS & e-commerce).
  • Spearheaded backend development using Node.js, Nest.js, Express.js, and PostgreSQL, implementing scalable microservices and WebSockets.
  • Architected Next.js frontend projects with SSR/ISR, drastically improving SEO and reducing TTFB.
  • Engineered advanced marketing infrastructure by integrating Server-Side GTM (sGTM), GA4, and multi-platform Pixels.

Technical Mastery

Frontend Core Stack

React 19Next.jsTypeScriptRedux ToolkitRTK QueryTailwind CSSFramer MotionShadcn/uiGSAPZod

Backend & Database

Node.jsNest.jsExpress.jsMicroservicesPostgreSQLMongoDBPrismaREST APIsGraphQLWebSockets

Cloud & Media

Cloudflare R2CDN & PolishCloudinaryVercel AnalyticsSpeed Insights

Integrations & Marketing

SSLCommerzStripeCourier APIsServer-side GTMGA4Meta CAPICookieless Tracking

Advanced & Performance

SSR/ISR/PPRServer ActionsEdge RuntimeCore Web Vitalsi18nextImage Optimization

Tools & Workflow

Git/GitHubVercelVitePostmanSwaggerPlaywrightVitestESLintFigmaJira

Project Highlights

CalQuick (SaaS)

Multi-tenant SaaS platform powering multiple live businesses with store management and e-commerce.

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OmniChat SaaS

Scalable SaaS integrating Facebook, WhatsApp, TikTok, Telegram, and Instagram into a single unified inbox.

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PixlyOne (sGTM)

Privacy-first server-side tracking platform bypassing ad-blockers and third-party cookie restrictions.

Visit Project

Education

B.Sc in Computer Science and Engineering

Daffodil International University

2017 - 2021CGPA: 3.40 / 4.00

Certifications

MERN Stack Development – Programming Hero (2022)
Redux-ToolKit Mastery – Learn with Sumit (2023)
Engineered with precisionSmaran Shaha