Hi, I'm Sarker Sunzid Mahmud 👋

Full-Stack Developer & Data Science Enthusiast

🎓 TU Dortmund 💼 Atflow GmbH 🌍 5+ Years Experience

🚀 About Me

I'm a Full-Stack Developer with 5+ years of experience building scalable and high-performance web applications across Europe and Asia. I specialize in Laravel, React, Docker, Kubernetes, and modern DevOps workflows.

My work ranges from REST API design and interactive dashboards to optimizing large systems—achieving results like +25% conversion uplift at Echologyx and supporting 50,000+ users at REPTO. I'm currently pursuing a Master's in Data Science at TU Dortmund, combining software engineering with data-driven problem-solving to create clean, efficient, and impactful solutions.

🛠 Tech Stack

Python
PHP
React
Vue
Angular
Node.js
TypeScript
Laravel
Docker
Kubernetes
MySQL
MongoDB
GCP
Firebase
CI/CD

🌟 Highlight Projects

📰 News Aggregator

Pulls news from multiple APIs using Laravel 12 + React + DTO architecture for seamless data flow.

💥 Dev Connector

A full social platform for developers built with React + Redux + Node.js + MongoDB.

☀️ DGUV Daylight Analysis

Advanced logistic regression with ROC analysis using Pandas, NumPy, and scikit-learn.

🏢 Experience

Software Engineer – Atflow GmbH

Enhanced TaskTracker (Laravel + React + NativePHP), achieving +38% analytics improvement.

Web Developer – Konnektivität GmbH

Built Angular dashboards, PHP Slim APIs, and optimized MySQL performance for enterprise clients.

Software Engineer – Echologyx

A/B tested UI flows and improved conversions by 25% through data-driven optimization.

Software Engineer – REPTO

Owner of a 50,000+ user Laravel e-learning system serving thousands daily.

🎯 Currently Learning

Advanced Kubernetes
Kafka
ML Engineering
Distributed Systems
"There is always something to learn – every project teaches you something new."