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I'm a Python developer from Bangladesh 🇧🇩, operating under the brand Mr-SxR which stands for Speciality & Reliability. My core focus is building reliable automation tools, desktop software, and reverse engineering (Android APKs, Windows apps & network protocols). I also explore AI manipulation, jailbreak research, and full-stack web development.
I believe in writing software that doesn't just work, but works consistently and dependably. Every project I release under Mr-SxR carries that standard. |
- 🤖 Focus: Python Automation (Bots, Scrapers & Workflows), Desktop Software & Reverse Engineering
- 🔬 Security & Research: APK & Windows Analysis, SSL Unpinning, AI Safety & Jailbreaks
- 💬 Ask me about: Python automation, reverse engineering, bot evasion, or web development
- 📍 Location: Madaripur, Dhaka, Bangladesh 🇧🇩
| Area | Focus & Practical Implementation |
|---|---|
| 🤖 Automation & Bot Engineering | Scalable web scrapers, custom Telegram bots, and automated task workflows with anti-detect drivers |
| 🖥️ Desktop Applications | Production-ready cross-platform desktop software built with PyQt5 and CustomTkinter |
| 🔍 Reverse Engineering & Security | APK and Windows application disassembly, dynamic instrumentation (Frida, Ghidra, Hopper), API inspection, and SSL unpinning |
| 🛡️ AI Safety & Jailbreak Analysis | Investigating LLM vulnerabilities, prompt injections, and guardrail bypass mechanics |
| 🌐 Full-Stack Web Development | High-performance backend services (FastAPI, Django, Flask, Node.js) paired with responsive interfaces |
| 🗄️ Database Architecture | Data persistence and querying across MongoDB, PostgreSQL, SQLite, and MySQL |
All my open-source and standalone tools are released under the Mr-SxR identity.
SxR stands for Speciality & Reliability: delivering software that performs predictably and solves the problem right.
📂 Detailed background, roadmap, and project stories: Visit MasudurRahmanSifat Repository
Speciality & Reliability: Built with purpose, delivered with consistency.