system://hasnat.dev
— operator id: hasnat_md

Hasnat

— current status

Building scalable, high-performance web applications that solve real-world client experience across frontend, backend, databases, and deployment infrastructure.

[ view_work ] [ contact ]
— focus areas
  • › Scalable systems
  • › Resilient APIs & SDKs
  • › Performance & DX
  • › Architecture & design
  • › AI & LLM workflows
— operative briefing

Build modern products.
Solve real problems.

Clean architecture. Scalable systems. Better user experience. Good software is not only about getting code — it's about building systems that are maintainable, scalable, performant, and user-friendly.

Developer focused on real-world product engineering

I started my journey as a frontend developer, but quickly counted into backend development, database design, deployment systems, and holistic application architecture while serving client projects.

Rather than just building interfaces, I enjoy understanding the complete systems map — from frontend user experience to backend logic, APIs, databases, and infrastructure. Currently focused on growing into a strong Full Stack Engineer capable of building production-level applications end-to-end.

— what i bring / why it works
✓ End-to-end product engineering
✓ Pixel-perfect UI / UX execution
✓ Full-stack development experience
✓ Resilient architecture thinking
✓ Problem-solving mindset
✓ Fast adaptability to new tech
— professional deployment

Experience

— current role

Frontend Developer

// full-stack responsibilities
Softvence Agency May 2025 - Present
— primary / day-to-day duties
  • ▸ Build scalable interface applications using React and Next JS
  • ▸ Integrate REST APIs and manage complex frontend state
  • ▸ Develop backend modules using Node JS and Nest JS
  • ▸ Design database structures using PostgreSQL and MongoDB
  • ▸ Participate in deployment and infrastructure decisions
— current projects
Admin & billing stack Vendor architecture Order Tools High-performance APIs
— skill summary

Working on production-level applications involving frontend systems, backend APIs, dashboards, database design, and infrastructure deployment.

— development mindset

› Clean architecture.

› Scalable systems.

› Better UX.

I believe good software is not only about writing code — it's about building systems that are maintainable, scalable, performant, and user-friendly.

— operative deployments

Featured Projects

// project_01

WabiSaviArt - Multi-Vendor Marketplace

Etsy-inspired marketplace emphasizing transparency, authenticity, and community trust.

A production-ready multi-vendor marketplace connecting buyers and verified makers through role-based dashboards, secure checkout, messaging, and a rich product catalog with variants, media, and storytelling features.

// tech
React NestJS Prisma PostgreSQL Stripe Redis Docker
// key_features
  • › Role-based auth for buyer, seller, and admin workflows
  • › Product catalog with variants, inventory, and media galleries
  • › Stripe checkout with seller onboarding and payouts
  • › S3-compatible media uploads with presigned URLs
  • › Order management with refunds and dispute tracking
  • › Maker verification and authenticity badges
  • › Messaging between buyers and sellers
[ view_project ]
// project_02

Dove-PDF - Online PDF Toolkit

Comprehensive PDF editor with client-side processing for privacy.

A web-based PDF tools platform enabling users to upload, edit, merge, compress, and optimize PDF files directly in the browser with client-side processing for enhanced privacy and instant feedback.

// tech
React Vite TailwindCSS Express tRPC PDF-lib Turborepo
// key_features
  • › PDF upload with validation and preview
  • › Client-side PDF editing, merging, and compression using PDF-lib
  • › Real-time processing feedback with progress indicators
  • › Web Workers for performance optimization on large files
  • › Google Ads integration for monetization
  • › Monorepo architecture for scalable tool additions
[ view_project ]
// project_03

Sarkar Group — SMD Internal Management System

Multi-role internal tool for managing projects, equipment, employees, and workflows.

A production-grade internal management platform for a construction and marine engineering company. Multiple roles — Super Admin, Admin, Project Manager, Engineer, and Client — each operate within a tailored, permission-isolated dashboard covering project lifecycle, equipment tracking, financial approvals, HR applications, media publishing, and real-time notifications.

// tech
TypeScript Express Prisma MongoDB Next.js Redux Toolkit MUI TailwindCSS SSE Docker
// key_features
  • › 5 isolated role dashboards: SUPER_ADMIN, ADMIN, PROJECT_MANAGER, ENGINEER, CLIENT
  • › Project lifecycle management with engineer assignment, equipment linking, and status tracking
  • › Equipment registry with status tracking (WORKING / RUNNING / STAND_BY / BREAK_DOWN) and crew assignment
  • › Equipment request workflow: employee requests → admin approve/reject → auto-assign on approval
  • › Payment and requisition workflows with document upload, decline reason enforcement, and approval engine
  • › 8 HR application types: leave, resignation, transfer, salary advance, loan, complaint, grievance, expense reimbursement
  • › Real-time SSE notifications pushed to all relevant users on every workflow event
  • › Rich media/blog system with TipTap editor, image upload, keyword tagging, and comment threads
  • › Project gallery with site photo uploads and team commenting
  • › Role-specific dashboards with KPI cards, month-over-month deltas, and parallel Prisma transaction aggregation
[ view_project ]

Technical
Log

Technical specs of all operative capabilities and system fundamentals.

// system_type // primary_stack
[frontend_dev] React.js // Next.js // Astro // JavaScript // TypeScript // Tailwind CSS // Zustand // Redux
[backend_dev] Node.js // Nest.js // Express.js // REST API // Auth & Authorization // Role-based access control
[databases_dev] PostgreSQL // MongoDB // Prisma ORM // Mongoose // SQL & NoSQL Database Design
[devops_basic] Docker // Git // VPS // File Storage Systems // S3 & Cloudinary // Deployment Pipelines
— operative // contact_log

Let's build
something
great.

email_
a.hasnat.dev1@gmail.com
github_
github.com/aHasnat1997
linkedin_
linkedin.com/in/a-hasnat

system synchronized // ready > project rebrief incoming

— availability profile
  • Full Stack Developer roles
  • Frontend Engineering roles
  • Product-focused engineering teams
[ initiate_contact_sequence ]
— transmission frequency

I respond within 24 hours. Asynchronous comms preferred. Available for remote engagements globally.