Open to Work
Top Rated Upwork Freelancer | 100% Job Success Score
Md. Sazzad Hossain Sharkar

Md. Sazzad Hossain Sharkar

Senior Software Engineer

Software Architect

Principal Full-Stack Engineer

Backend Architect

DevOps & Infrastructure Architect

AI Systems Architect

Cloud Architect

Microservices Architect

Database Architect

NestJS & Node.js Engineer

Laravel & PHP Engineer

React & Next.js Engineer

PostgreSQL & MongoDB Engineer

Docker & Kubernetes Engineer

Linux Infrastructure Engineer

API & System Design Engineer

Technical Team Lead

Technical Consultant

I've spent16+ yearsshipping software for iGaming, healthcare, government, and enterprise teams, using100+ technologiesalong the way

See My Tech StackView Projects
100+Technologies
100+Projects
16+Years
1M+Users

Skills & Technologies

From PHP to Python, Laravel to React. Over 100 tools and technologies, with the years I've spent on each

PHP

14+ years

JavaScript

14 years

TypeScript

2 years

Python

1 years

Shell/Bash

12 years

SQL

14 years

HTML5

14 years

CSS3

14 years

Core Strengths

Microservices Architecture

Scalable System Design

API Development

Database Optimization

Clean Code Principles

SOLID & Design Patterns

Agile Methodologies

Performance Optimization

Security Best Practices

Cloud Architecture

AI Full-Stack Architecture

Enterprise Architecture

Infrastructure as Code (IaC)

Team Leadership

Technical Consulting

Project Portfolio

50+ projects delivered in iGaming, healthcare, government, and enterprise

Lucky.me

2023-2025
iGaming

Gaming platform serving location-specific content in real-time.

LaravelNode.jsAlpine.jsMySQLCloudflare CDN

OddsSeeker.com

2022-2025
iGaming

Platform for tracking and comparing betting odds across bookmakers.

LaravelJavaScriptAlpine.jsMySQLAWS

Playful Wins

2025
iGaming

iGaming platform built with Next.js and deployed on Vercel.

React.jsNext.jsVercelNeonDB

Playful Rewards

2025
iGaming

Rewards-based gaming platform where players earn and redeem points.

React.jsNext.jsVercelNeonDB

MichiganWinners.com

2023
iGaming

Michigan-focused gaming site built to meet state regulations.

LaravelJavaScriptNode.jsMySQL

BonusSeeker.com

2017-2020
iGaming

Built 80% of this platform from scratch. Later acquired by a third party.

LaravelJavaScriptMySQLAWS S3CloudFront

Open Source Contributions

MCP Mathematics

MCP Server

Math computation server for AI assistants, with 52 functions, 158 unit conversions, and secure expression evaluation

Lint & Format for Obsidian

Obsidian Plugin

Markdown linting and formatting plugin with 26+ rules you can adjust, Prettier integration, and auto-fix

Strong Password Generator

Tool

Password generator with adjustable length and character rules

MySQL DB Management Shell Script

DevOps

Automated database backup and maintenance scripts

PHP Refactor Toolkit

Developer Tool

Code refactoring helpers for legacy PHP applications

Stremio Real-Debrid Addon

Media

Streaming addon integration for Stremio platform

Loan Wizard

Finance

Calculate loans, EMIs, and payment schedules

EMI Wizard

Finance

EMI calculator with amortization schedules

LMVH (npm package)

NPM Package

Laravel Mix Version Helper for asset versioning

Gitwz (npm package)

NPM Package

Git workflow automation and helper commands

Slug Generator

Utility

URL-friendly slug generation with Unicode support

View GitHub Profile

My Ventures

Two businesses I founded and still run today

DevOps

Active

DevOps consulting and cloud infrastructure for businesses in Bangladesh

devops.com.bd

DEV Wizard

Active

Full-stack development services and technical consultancy for global clients

devwz.com

Want to work with one of these? Send me a message and tell me what you need.

Let's Work Together

Got a project in mind? Tell me what you need and I'll tell you straight whether I'm the right fit.

LinkedIn

Let's connect

GitHub

Check out my code

Ready to Start?

16+ years building software that works. I read every message and usually reply within one business day.

Hire on Upwork