Hello, I'm

MD WASI KHAN

AI-focused Backend Developer

I turn complex system logic into clean, production-ready backend solutions. I specialize in building efficient, scalable services within a Linux ecosystem, delivering high-performance APIs and well-structured relational database architectures.

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MD WASI KHAN
Python
Linux

About Me

Who I Am

I am a AI-focused Backend Developer with a strong problem-solving mindset and a passion for building reliable, scalable systems. I have experience designing secure RESTful APIs and structuring efficient relational database schemas to support real-world application workflows.

I value clean, maintainable code and focus on writing backend logic that remains readable, stable, and easy to extend over time. I enjoy working in collaborative engineering environments where thoughtful design, code quality, and continuous improvement play an important role.

Certifications

5-Star Gold Badge (Python, C++, C) Python Python (Basic) Certificate Problem Solving (Basic) Certificate NSDA National Skills Certificate — Web Design & Development (Level 3)

Education

2022 - 2026

Diploma in Engineering (CST)

Brahmanbaria Polytechnic Institute
2019 - 2021

Secondary School Certificate (SSC)

Kalikaccha Pathshala High School

Work Experience

January, 2026 - Present

Junior Software Engineer (Intern)

Nafcorp Technologies

Soft Skills

Problem Solving Teamwork Adaptability Attention to Detail Troubleshooting Conflict Resolution Self-Motivation & Discipline

Technical Skills

My technical arsenal and tools I work with.

Programming Languages

PythonPython
C++
C
JavaScript
PHP

Web & Frameworks

FastAPI
RESTful API
Pydantic
JWT
HTML
CSS
Bootstrap
Tailwind CSS
WordPress

Databases & DevOps

PostgreSQL
MySQL
LinuxLinux
Git
GitHubGitHub
GitLab
Docker

Testing & Editors

PostmanPostman
VS Code
PoetryPoetry

Design & Productivity

Photoshop
Illustrator
CanvaCanva
CapCut
MS WordMS Word
MS ExcelMS Excel
MS PowerPointMS PowerPoint

Featured Projects

Student Management API

  • Developed a robust RESTful API handling secure User Registration and Login functionalities.
  • Implemented Pydantic for strict data validation and JWT Authentication for secure access control.
  • Created custom JSON-based persistence layer to handle CRUD operations.
PythonFastAPIJWTPydantic
View Code

AI Chatbot Backend (RAG System)

  • Built a retrieval-augmented backend to generate accurate, knowledge-grounded responses.
  • Implemented secure authentication and structured request validation for production-ready APIs.
  • Designed scalable data storage and efficient retrieval workflows for real-world usage.
PythonFastAPIPostgreSQLSQLAlchemyRAGJWT
View Code

Relational DB Schema Design

  • Architected a normalized Relational Database Schema for a student management system.
  • Designed Entity-Relationship Diagrams (ERD) to visualize complex relationships.
  • Wrote optimized SQL scripts for creating tables, constraints, and joins.
PostgreSQLERDSQL
View Code

Clinic Management System

  • Built a desktop GUI application to manage clinic workflows with a clean, interactive interface.
  • Implemented patient registration, queue handling, and structured record management.
  • Used local file-based storage to persist data and keep the app lightweight and portable.
PythonTkinterGUIFile Storage
View Code

MediBook (Serverless Doctor Appointments)

  • Built a full-stack, serverless appointment system running on the edge for low-latency performance.
  • Designed a REST API with persistent SQL storage and clean validation-driven request handling.
  • Implemented a responsive UI with modern interactions and a graceful demo-mode fallback.
Cloudflare WorkersHonoD1 (SQLite)REST API
View Code

My Blogs

Hardware

How Powerful Is Your PC?

Many professionals experience slow systems, laggy performance, or unresponsive applications — but the root cause often remains unclear. Is the processor too weak? Is the RAM bottlenecking performance? Or is it time for a hardware upgrade?

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Python

Poetry in Python

এই ব্লগে Poetry এর বিভিন্ন দিক বিস্তারিতভাবে আলোচনা করা হয়েছে: এটি কী, কেন এবং কখন ব্যবহার করা উচিত, এবং এর ব্যবহারিক প্রয়োগের ধাপগুলো। এই গাইড পড়ে পাঠকরা Poetry এর সুবিধা ও কার্যকারিতা সম্পর্কে গভীরভাবে ধারণা অর্জন করতে পারবেন এবং তাদের প্রজেক্টগুলোকে আরও দক্ষতার সাথে পরিচালনা করতে সক্ষম হবেন।

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Security

Are Your Messages Truly Safe?

🛡️ WhatsApp is Encrypted — But Are Your Messages Truly Safe? —Pegasus, the CIA, and your smartphone’s real vulnerability! We trust WhatsApp because it promises end-to-end encryption. But if your device is compromised, encryption alone won’t save you.

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JS vs Python

জাভাস্ক্রিপ্ট OOP — মিথ নাকি বাস্তব?

অবজেক্ট-ওরিয়েন্টেড প্রোগ্রামিং (OOP) শুধু কোডের গঠন নয়—এটা চিন্তার ধরন। একই সাথে এটি প্রোগ্রামিং এর একটি অন্যতম ফান্ডামেন্টাল ও গুরুত্বপূর্ণ কনসেপ্ট। কিন্তু প্রশ্ন হলো, JavaScript কি সত্যিই সেই দর্শন অনুসরণ করে, নাকি শুধু প্রোটোটাইপের মোড়কে OOP-এর ছদ্মরূপ দেখায়?

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Linux Battery

Linux Laptop Battery Health & TLP

Linux laptop শুধু একটি device না—এটা অনেকের জন্য full-time workstation। তাই ডিভাইসের battery ও power management ঠিক না থাকলে performance, stability এবং battery lifespan—সবকিছুই প্রভাবিত হয়। চলুন smart ভাবে বিষয়টা বুঝে নেই।

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Let's Connect

Get In Touch

The best way to reach me is directly through email or WhatsApp.

WhatsApp Me

+880 1888-387586