microsoft excel python telegram bot web developer telegram python bot jquery PowerBI mongodb delphi selenium
Mykola

Mykola

Ukraine

Databases & SQL · Data Processing

14 0
555
Go to profile
Key information: Over 20 years of experience in IT. Data Analytics in Excel and Power BI (Power Query, Power Pivot, DAX) Higher engineering education, additional courses in management, marketing, economics and analitics Optional SQL, Python, Google Sheets I carry out projects on ABC-, XYZ-, RFM-analysis of product and customer bases, marketing reports, converting tabular reports from Excel and ERP into friendly reports in Power BI, analyzing the quality of work of sales managers, visualizing the results of surveys of internal staff and customers, etc. P. Help with complex information…
RFM segmentation of customer base
72 USD
469
RFM segmentation of customer base
Databases & SQL
On the basis of the company’s sales data for several years, the RFM-segmentation of the active customer base has been produced on the indicators of regularity of purchases, their lasting time and total accumulative value, the VIP and profitable…
Dmytro Zavadskyi

Dmytro Zavadskyi

Ukraine

Python · Databases & SQL

4 0
5.0
396
Go to profile
I am a Python backend developer and the primary developer of a production dispatcher/service system actively used in a real business environment. The system includes a FastAPI backend, Telegram bot, and web/mobile clients. I am responsible for feature development, system stability, database management, and service integrations. I work with Python, REST APIs, SQLite and PostgreSQL, Telegram Bot API, automation workflows, and data processing. I have experience maintaining and extending an existing codebase: fixing bugs, improving business logic, cleaning and validating data, and safely deploying…
Yuliia Smulchenko

Yuliia Smulchenko

Ukraine

Data Processing · Databases & SQL

1 0
289
Go to profile
Hello! My name is Julia, and I am a data analyst and virtual assistant with experience in Google Sheets, Excel, SQL, Python, Tableau, and automation. I also create analytical reports, interactive dashboards, and help businesses understand their data. One of my strengths is organization and structure. I work accurately and responsibly with large amounts of information. I actively work with Etsy analytics, digital products, and marketing. I am ready for long-term cooperation and am always open to new tasks. Translated with DeepL.com (free version)
Oleksandr Vasylevskyi

Oleksandr Vasylevskyi

Ukraine

Python · Databases & SQL

0 0
247
Go to profile
Database of PC components (Full-Stack)
268 USD
67
Database of PC components (Full-Stack)
Databases & SQL
Development of a comprehensive application for managing a warehouse of computer components and automating the selection of compatible parts. The project includes creating the database architecture from scratch, developing backend logic, and…
Stanislav

Stanislav

Ukraine

Python · Databases & SQL

1 0
211
Go to profile
System Administrator & Developer | Automation Expert (Python/Bash) | Network Security About Me: Hello! I am a technical specialist operating at the intersection of System Administration and Software Development. I don't just configure systems; I understand how they work under the hood and how to secure them. With a background involving cybersecurity concepts and network engineering, I focus on building stable, secure, and automated environments. Whether you need a VPS setup, a custom automation tool, or a desktop utility, I can deliver a robust solution. Skills & Expertise: System…