Hire the Best Numpy Freelancers
in Hungary

Overview Hi, I’m Dezső. With over 10 years of hands-on experience in data manipulation and analysis, I specialize in transforming raw data into actionable insights. My expertise spans Excel, Python, and Exploratory Data Analysis (EDA), backed by a strong foundation in AI/ML mathematics and theory. Whether you need to streamline workflows, troubleshoot complex tools, or extract meaningful patterns from data, I deliver efficient, reliable solutions. Technical Skills - Excel Mastery: Advanced formulas, VBA automation, Power Query, and custom macro development. - Python Programming: Scripting, data transformation, and automation for small to mid-sized projects. - Data Analysis: EDA, statistical modeling, and visualization (e.g., Pandas, NumPy, Matplotlib). - AI/ML Fundamentals: Strong theoretical knowledge of machine learning algorithms and mathematics. - Web Scraping: Data extraction and integration into structured formats. Why Work With Me? - Proven Expertise: Designed and troubleshooted Excel tools for diverse industries, including creating automated dashboards and training teams on analytics best practices. - Problem-Solving Focus: Skilled at reverse-engineering workflows, debugging code, and optimizing processes. - Clear Communication: While my English is conversational (not native-level), I prioritize clarity, transparency, and meticulous attention to detail. Availability - Flexible Hours: Available weekdays 5–8 PM CET and weekends for urgent or ongoing projects. Let’s Collaborate! If you need a data professional who combines technical precision with practical problem-solving, let’s connect. I’m ready to tackle your Excel challenges, automate repetitive tasks, or analyze complex datasets—efficiently and on time.

Hi! I’m Csaba, a junior Python developer passionate about data automation, data cleaning, and building practical Python applications. I specialize in: - Excel/CSV data cleaning and merging - Automation scripts with Python (Pandas) - Basic data analysis and processing - Web scraping and small Python utilities I create **fast, reliable, and easy-to-use solutions** for clients who need to save time and work with clean, structured data. ## Project Experience **Weather Logging Python Application** - Retrieves real-time weather data using the OpenWeatherMap API and logs it into a .txt file - Menu-driven interface with error handling - Well-structured, clean Python code - Technologies used: `requests`, `datetime`, `json`, file handling **Car Rental Console Application (Python, OOP)** - Multi-class system for tracking and renting cars - Menu-driven user interface with state management - Focus on code readability and maintainability I’m always eager to take on new projects and help clients **automate tasks, clean data, or build small Python tools** that make their work easier. Feel free to message me with your project — I respond quickly and deliver efficiently!

A dedicated Data Engineer with a strong foundation in Python programming, backed by a proven track record of efficiently managing and analyzing data. My expertise extends beyond Python, encompassing a deep understanding of SQL, Database Management, Azure Cloud Services, Artifical Intelligence and Web Scraping techniques. My top-notch analytical and problem-solving skills enable me to deliver high-quality results with efficiency and quick turnaround times. I take great pride in providing exceptional services to my clients and ensuring their satisfaction. Here's an overview of the services I offer: • Web Scraping (Requests, Selenium, Scrapy) • Data Management (Excel, NumPy, Pandas and much more) • Databases (SQL Server, PostgreSQL) • Data Visualization (Excel, Matplotlib, Seaborn, Plotly, Folium) • Machine Learning (Regression and Classification with Scikit-Learn) • Time Series Analysis (ARIMA, SARIMAX and much more) • Deep Learning (ANN, CNN, RNN with Keras, Tensorflow and PyTorch) • Natural Language Processing (NLP) projects • Cloud Services (AWS, Google Cloud) If you're looking to elevate your projects with data-driven insights and cutting-edge techniques, I'm ready to collaborate and create exceptional solutions tailored to your specific needs.