Available for freelance collaborations

Md Jubair HossainReact & Next.js Engineerbuilding high-performance SaaS & AI-powered web applications.

I architect fast, scalable products that convert business goals into measurable outcomes, from clean user journeys to resilient backend systems designed for growth and long-term maintainability.

Built 15+ production appsOptimized performance up to 40%Focused on scalable architecture

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Product-ready engineering

Architecture-first builds with measurable velocity and quality.

Core stackReactNext.jsNode.jsPostgreSQL

Delivery

15+ Apps

Performance Impact

Up to 40% gain

Focus

Scalable architecture

About

Building products where design intelligence meets engineering rigor.

My Approach

I started in visual production, where details, timing, and story quality decide whether a result feels premium. That background now shapes how I engineer web products: clarity in architecture, speed in interaction, and maintainability from day one.

My current focus is SaaS and AI-powered applications that need strong frontend performance and dependable backend structures. I work from product outcomes backward, so decisions in code directly support growth, reliability, and business impact.

Explore selected projects

Journey

2020-2024

3D & Creative Specialist

Delivered 300+ global projects with precision in visual storytelling and client execution.

2024-Present

Product Engineer

Building production web platforms with React, Next.js, Node.js, and performance-first architecture.

Production Builds

15+ launched apps

Performance Focus

Up to 40% improvement

Engineering Style

Clean, scalable systems

Skills

Capability stack for modern SaaS and AI product delivery.

Production-focused

Frontend Systems

Fast, scalable interfaces built for conversion and maintainability.

Impact

Component architecture + motion strategy

ReactNext.jsTailwind CSSFramer Motion

Backend & Data

Stable APIs and data models ready for SaaS growth and integration.

Impact

Structured service layer + predictable contracts

Node.jsExpressRESTPostgreSQL

Performance Engineering

Monitoring and optimization that improve real product responsiveness.

Impact

Up to 40% gains on key performance paths

Core Web VitalsCode SplittingCachingProfiling

Tech Stack

ReactNext.jsTypeScriptJavaScriptNode.jsPostgreSQLPrismaTailwind CSSFramer MotionGSAPFigmaVercel

Delivery strengths

Scalable Architecture

System-first coding standards

Shipping Velocity

Rapid iteration without quality loss

Product Thinking

Engineering choices tied to business goals

Education & Certifications

Foundation-driven learning with real-world, production-focused outcomes.

Continuous learning mindset

Committed to continuous learning and evolving with modern technologies.

Academic Foundation

Education

Honors (1st Year), Social Work

National University Bangladesh, Abu Dharr Ghifari College

Ongoing

Building strong social research foundations with analytical thinking.

Academic consistency while parallelly delivering production software projects.

Certifications

Complete Web Development

2025-2026

Programming Hero

Full-stack web engineering with modern React ecosystem practices.

Credential Verified

Ethical Hacking Course

6 Months

Creative IT Institute, Bangladesh

Security fundamentals, threat modeling, and defensive engineering workflows.

Credential Verified

Web Penetration Testing Course

6 Months

Cyber Bangla Academy

Hands-on vulnerability analysis and secure web application hardening.

Credential Verified

Currently Exploring

AI-assisted developmentAdvanced system designPerformance optimizationScalable backend architecture

Selected Work

Featured Projects

Real-world products built with performance, scalability, and user experience in mind.

E-Commerce Platform Redesign

Conversion-focused storefront architecture for faster buying journeys.

-Problem: Legacy storefront had slow load time and weak checkout completion.
-Solution: Rebuilt with Next.js App Router, modular UI system, and optimized data flow.
-Technologies: Next.js, Tailwind CSS, Framer Motion, API Routes.
-Impact: 40% faster page load and improved conversion quality through better UX flow.

Next.jsReactTailwind CSSFramer MotionNode API

Load Time

-40%

Users Served

25K+

Revenue Impact

+18%

API Integrations

Performance Score

96/100

Live Demo View Code Case Study

Cyber Security Dashboard

Real-time threat intelligence experience for actionable security insights.

-Problem: Security teams lacked a clear real-time visualization layer for fast triage.
-Solution: Designed a performance-conscious dashboard for high-frequency data updates.
-Technologies: React, D3.js, Tailwind CSS, WebSocket streams.
-Impact: Reduced signal-to-insight time by 35% with better observability UX.

ReactD3.jsTailwind CSSWebSocketData Viz

Load Time

1.2s

Users Served

8.4K+

Revenue Impact

Risk Cost ↓

API Integrations

Performance Score

93/100

Live Demo View Code Case Study

Animated Landing Platform

Premium marketing surface engineered for speed, clarity, and interaction quality.

-Problem: Existing campaign pages had visual inconsistency and weak engagement retention.
-Solution: Built a reusable motion system with polished scroll flow and strict performance budgets.
-Technologies: Next.js, GSAP, Lenis, Tailwind CSS.
-Impact: Increased time-on-page by 31% while maintaining strong Core Web Vitals.

Next.jsGSAPLenisTailwind CSSSEO

Load Time

1.5s

Users Served

12K+

Revenue Impact

+11%

API Integrations

Performance Score

95/100

Live Demo View Code Case Study

Explore All Projects

Currently Available for Freelance

Let's Build Something Exceptional.

I help startups and businesses craft high-performance, scalable web applications.

Direct Channels

mjh.dev.bd@gmail.com

Connect professionally

GitHub

github.com/mjh-dev

Calendly

Book a strategy call

Design with emotion. Build with logic. Ship with purpose.