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 ]
  • // project_04

    MyStudyPal — AI Study Buddy for Irish Students

    AI-powered study platform tailored to the Irish curriculum with quizzes, notes, and exam-aligned feedback.

    MyStudyPal (mystudypal.ie) is a fully-featured, AI-powered study helper designed specifically for the Irish curriculum. It acts as a personal AI study buddy, delivering instant explanations, exam-style answers, structured notes, smart quizzes, and detailed progress insights. Students can upload complex problems and receive step-by-step logic and grading-scheme-aligned feedback in seconds.

    // tech
    React HTML NestJS Rustfs PostgreSQL Redis Puppeteer Node.js Docker Dokploy
    // key_features
    • › AI Study Buddy with marking-scheme-aligned answers for Maths, Science, English, and Irish — supports direct image uploads
    • › Notes Generator that instantly produces clean, structured revision notes strictly based on the Irish curriculum
    • › Smart Quizzes dynamically generated by AI targeting weak areas, with instant correction and topic tagging
    • › Progress & Insights dashboard featuring an XP level system, weekly improvement statistics, and a strength/weakness heatmap
    • › Automated Puppeteer scraping pipeline for continuous past paper ingestion from official Irish curriculum sources
    • › 7 containerized microservices: Admin Dashboard, User Dashboard, Landing Page, NestJS Server, Rustfs, Postgres-DB, Redis-DB
    • › High-performance Rust-based file server (Rustfs) for fast, secure student question and image uploads
    • › Centralized infrastructure monitoring and lifecycle control via Dokploy dashboard
    [ 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.