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Cumilla, Bangladesh
I'm

Shesher Hasan.

Expert

Full-Stack Engineer

Building
Building high-performance systems and scalable web applications

1+
Years Experience
7+
Projects Delivered
5+
Tech Stacks
100%
Client Satisfaction
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Identity

The Person Behind Code

A synthesis of engineering precision, creative problem solving, and a relentless drive for excellence.

Shesher Hasan

Shesher Hasan

Cumilla, Bangladesh
contact@shesher.work.gd

"Full-Stack Engineer with over 1 year of experience building fast and reliable software. I focus on creating high-quality systems that solve real problems and help businesses grow. I specialize in modern web technologies, cloud systems, and building products that users love."

I have a strong background in building fast web applications, designing efficient databases, and creating smooth user experiences. I focus on performance and reliability, ensuring that every project I lead is easy to maintain and scale as the business grows.

Clean Architecture

I write maintainable code with SOLID principles and best practices at the forefront.

Performance First

Speed is a feature. I target 90+ Lighthouse scores on every build.

Full-Stack Depth

From React UIs to Django APIs to DevOps — I own the entire stack.

AI Integration

Expertly weaving LLMs and AI patterns into production workflows.

Engineering Philosophy

"Great software should be fast, reliable, and easy to use. I believe in building systems that are secure, scale with the business, and are easy for any team to maintain."

Clean Architecture
Smart Design
System Monitoring
Automated Testing
Reliable Deployment

Verified Certificates

2025

Machine Learning in Python

Mind Luster

ID: d36708d5Verify
2025

Data Science & Analytics

HP LIFE

ID: 7d703d5c-18ba-409e-9ba5-5d02c54159e7Verify
2025

Career Skills in Data Analytics

LinkedIn Learning

ID: VERIFIEDVerify
2025

Introduction to Cybersecurity Awareness

HP LIFE

ID: 3c0d8046-1b9f-492c-b897-35413464f281Verify
2025

AI for Beginners

HP LIFE

ID: 3a8d1229-75b5-46a0-bde9-50b00f8ba3bcVerify
2025

IELTS Academic — English Proficiency

IDP / British Council / Cambridge

ID: 25BD019851ISLM050AVerify
Proficiency

Technical Mastery

A curated stack of production-grade technologies, frameworks, and architectural patterns I command.

Frontend

6 Stacked

React.js

Level: 95%

Next.js

Level: 92%

TypeScript

Level: 88%

Tailwind CSS

Level: 92%

Angular

Level: 78%

HTML5 / CSS3

Level: 97%

Databases

6 Stacked

MongoDB

Level: 88%

PostgreSQL

Level: 85%

MySQL

Level: 85%

Redis

Level: 75%

Firebase

Level: 78%

Prisma ORM

Level: 80%

DevOps & Cloud

6 Stacked

Docker

Level: 78%

AWS

Level: 72%

Vercel

Level: 88%

GitHub Actions

Level: 75%

Nginx

Level: 72%

Linux / VPS

Level: 95%

Backend

6 Stacked

Node.js

Level: 90%

Express.js

Level: 90%

Django

Level: 85%

FastAPI

Level: 82%

Laravel

Level: 80%

REST & GraphQL

Level: 85%

Languages

4 Stacked

JavaScript

Level: 95%

Python

Level: 88%

PHP

Level: 80%

TypeScript

Level: 88%

Tools

6 Stacked

Git & GitHub

Level: 92%

Postman

Level: 90%

VS Code

Level: 95%

Figma

Level: 72%

Jest

Level: 75%

Webpack/Vite

Level: 80%

Supporting Arsenal

Socket.io
JWT
OAuth 2.0
Stripe API
OpenAI API
Celery
RabbitMQ
Apache
PM2
Kubernetes
Swagger / OpenAPI
Sass / SCSS
Zustand
Redux Toolkit
React Query
tRPC
Career Path

Professional Journey

A chronological narrative of architectural challenges, technical leadership, and production-scale impacts.

Senior Full-Stack Consultant

Upwork / Global FreelanceRemote (International)
Freelance
Jan 2026 – May 2026
  • Architecting high-performance web systems for international startups and enterprises.
  • Leading end-to-end development of scalable SaaS platforms and complex API ecosystems.
  • Consistently delivering top-rated solutions with a focus on clean code and system reliability.
Next.js 15TypeScriptNode.jsPostgreSQLAWS

Full-Stack Software Developer

Freelancer.com / Independent ContractorRemote
Freelance
2025 – 2026
  • Engineered custom full-stack solutions for a diverse portfolio of global clients.
  • Developed and optimized responsive web applications and robust database architectures.
  • Translated complex business requirements into high-quality, maintainable software.
ReactExpress.jsMongoDBPythonDocker
Selected Creations

Digital Showroom

01

Full-Stack / Cloud ArchitectureFull-Stack / Cloud ArchitectureFull-Stack / Cloud Architecture

🛍️
Full-Stack / Cloud Architecture
Flagship Development

Your Choose — Edge-Native E-Commerce Monorepo

"A fast and reliable e-commerce platform built for the modern web."

Fast E-CommerceWeb APIModern DatabasesReact 19Cloud StorageClean Design
02

Full-Stack / FinTech / Web3Full-Stack / FinTech / Web3Full-Stack / FinTech / Web3

💎
Full-Stack / FinTech / Web3
Flagship Development

GoldXGo — Multi-Asset Trading & FinTech Ecosystem

"A high-performance system for trading gold and digital currencies."

Gold TradingDigital CurrencyReal-Time UpdatesSecure WalletsMulti-LanguageModern UI
03

AI / Cybersecurity / SystemsAI / Cybersecurity / SystemsAI / Cybersecurity / Systems

👁️
AI / Cybersecurity / Systems
Flagship Development

MYTH — Autonomous AI Reconnaissance Operative

"An AI tool that helps with security tasks and system management."

AI SecuritySystem ToolsAutomationLinux SupportSafety FirstFast Performance
04

Full-Stack / UI EngineeringFull-Stack / UI EngineeringFull-Stack / UI Engineering

🎨
Full-Stack / UI Engineering
Flagship Development

Shesher Hasan — Senior Architect Portfolio

"A professional portfolio website showcasing modern web engineering standards."

Modern WebFast LoadingSmooth AnimationsClean CodeResponsive DesignUser Experience
05

Cloud Engineering / Systems / FlutterCloud Engineering / Systems / FlutterCloud Engineering / Systems / Flutter

🌐
Cloud Engineering / Systems / Flutter

PublicNode — Autonomous Cloud Orchestration Engine

"An autonomous system that transforms ephemeral cloud nodes into persistent, high-performance Linux workstations."

Python 3.13FlutterCloudflare QUICLinux OrchestrationRSA SecurityHuggingFace

Ready for more?

Explore my full experimental lab and architectural contributions on GitHub.

GitHub Archive
Social Proof

Trusted by Innovators

Reflections on collaboration, technical impact, and successful product deliveries.

Shesher is one of the most versatile engineers I've worked with. He took our vague idea and turned it into a production-ready SaaS platform in 3 months. His attention to performance and code quality is exceptional.

AJ
Alex Johnson
CTO, TechVentures Ltd.

Working with Shesher is a pleasure. He doesn't just write code — he thinks deeply about the product. He proactively identified bottlenecks we hadn't even noticed and optimized our API performance by 45%.

SM
Sarah Mitchell
Product Manager, CodeCraft Agency

I've hired many freelancers, but Shesher stands apart. He delivered a fully functional MERN e-commerce platform ahead of schedule with clean documentation and zero bugs in the first month post-launch.

JO
James O'Brien
Founder, E-Commerce Startup (Australia)

Shesher built our HIPAA-compliant API with FastAPI. The code quality, security implementation, and documentation were all top-notch. He's our go-to developer for all Python/FastAPI work.

PS
Priya Sharma
Tech Lead, MediSoft Inc.

Shesher is one of the most versatile engineers I've worked with. He took our vague idea and turned it into a production-ready SaaS platform in 3 months. His attention to performance and code quality is exceptional.

AJ
Alex Johnson
CTO, TechVentures Ltd.

Working with Shesher is a pleasure. He doesn't just write code — he thinks deeply about the product. He proactively identified bottlenecks we hadn't even noticed and optimized our API performance by 45%.

SM
Sarah Mitchell
Product Manager, CodeCraft Agency

I've hired many freelancers, but Shesher stands apart. He delivered a fully functional MERN e-commerce platform ahead of schedule with clean documentation and zero bugs in the first month post-launch.

JO
James O'Brien
Founder, E-Commerce Startup (Australia)

Shesher built our HIPAA-compliant API with FastAPI. The code quality, security implementation, and documentation were all top-notch. He's our go-to developer for all Python/FastAPI work.

PS
Priya Sharma
Tech Lead, MediSoft Inc.

Shesher built our HIPAA-compliant API with FastAPI. The code quality, security implementation, and documentation were all top-notch. He's our go-to developer for all Python/FastAPI work.

PS
Priya Sharma
Tech Lead, MediSoft Inc.

I've hired many freelancers, but Shesher stands apart. He delivered a fully functional MERN e-commerce platform ahead of schedule with clean documentation and zero bugs in the first month post-launch.

JO
James O'Brien
Founder, E-Commerce Startup (Australia)

Working with Shesher is a pleasure. He doesn't just write code — he thinks deeply about the product. He proactively identified bottlenecks we hadn't even noticed and optimized our API performance by 45%.

SM
Sarah Mitchell
Product Manager, CodeCraft Agency

Shesher is one of the most versatile engineers I've worked with. He took our vague idea and turned it into a production-ready SaaS platform in 3 months. His attention to performance and code quality is exceptional.

AJ
Alex Johnson
CTO, TechVentures Ltd.

Shesher built our HIPAA-compliant API with FastAPI. The code quality, security implementation, and documentation were all top-notch. He's our go-to developer for all Python/FastAPI work.

PS
Priya Sharma
Tech Lead, MediSoft Inc.

I've hired many freelancers, but Shesher stands apart. He delivered a fully functional MERN e-commerce platform ahead of schedule with clean documentation and zero bugs in the first month post-launch.

JO
James O'Brien
Founder, E-Commerce Startup (Australia)

Working with Shesher is a pleasure. He doesn't just write code — he thinks deeply about the product. He proactively identified bottlenecks we hadn't even noticed and optimized our API performance by 45%.

SM
Sarah Mitchell
Product Manager, CodeCraft Agency

Shesher is one of the most versatile engineers I've worked with. He took our vague idea and turned it into a production-ready SaaS platform in 3 months. His attention to performance and code quality is exceptional.

AJ
Alex Johnson
CTO, TechVentures Ltd.
Get in Touch

Let's Build the Future

Whether you have a groundbreaking idea or just want to discuss engineering philosophy — my inbox is open.

Location

Cumilla, Bangladesh

Availability

Open to Opportunities

Digital Presence

Active • Response < 24h

Direct Message