Работал в 3 компаниях 3 года 5 месяцев
Торговля розничная / Retail, Туризм / Путешествия / Пассажирские перевозки
Sales Analyst | DataBase Administrator
Pawn Shop (Commission Equipment Shop)
Торговля розничная / Retail
2 года 6 месяцев
01.2020 - 07.2022
I was given the additional responsibility of overseeing the launch of a chain of stores. My tasks included collecting and entering information into a database, maintaining sales and purchasing statistics, developing inventory and efficiency panels, and developing analytics.
Analyst | DataBase Administrator
Uber
Туризм / Путешествия / Пассажирские перевозки
2 года 10 месяцев
09.2019 - 07.2022
I was promoted to the position of Analyst, where my responsibilities expanded to include creating dashboards, comprehensive statistical reporting for all departments, analyzing competitors, coordinating the work of managers and developing presentations for investors. New Fleets were gradually added over the course of 2 years, such as: “Uklon”, “Bolt” and “Taxi 838”, which I also administered and analyzed.
Database Administrator
Uber
Туризм / Путешествия / Пассажирские перевозки
6 месяцев
03.2019 - 09.2019
My responsibilities included data management, database administration, and coordination of operations. Involved in collecting and entering critical information into a database, maintaining complex statistics and conducting basic analysis of collected data to extract information. In addition, I monitored the execution of travel plans and managed related financial aspects such as driver salaries, promotions, bonuses and expenses.
Ключевая информация
Programming languages: SQL, Python, DAX
Libraries: Pandas, NumPy, Matplotlib, Seaborn
Data Visualization: Tableau, Power Bi, Google Sheets, MS Excel
ETL: SSIS, Power Query
Tools: MySQL Workbench, Power Pivot, Docker, Linux, Git
Databases: MySQL, PostgreSQL, MS SQL Server, Oracle DB
Clouds: AWS, Tableau Public
SKILLS
- Optimization of existing queries and working with databases
- Writing clean and efficient code for data analysis, process automation, and data refactoring
- Working with APIs for data collection and processing
- Applying techniques for working with large volumes of data
- Data visualization for analysis and presenting results
- Automation of data collection, transformation, and loading processes
- Automation of processes and data management using scripts
- Implementing data cleaning methods to improve structure and readability
- Debugging and resolving data-related issues
- Managing code and data versions to facilitate collaboration and track changes
Учился в 1 заведении
Київський національний торговельно-економічний університет
Факультет ресторанного та готельного бізнесу. Спеціальність: готельно-ресторанна справа та готельно ресторанний девелопмент
Київ, 2021
Владеет языками
Английский
выше среднего
Может проходить собеседование на этом языке
Может проходить собеседование на этом языке
Итальянский
ниже среднего
Русский
родной
Может проходить собеседование на этом языке
Может проходить собеседование на этом языке
Украинский
родной
Может проходить собеседование на этом языке
Может проходить собеседование на этом языке
Курсы, тренинги, сертификаты
Sigma Software University
I'm still learning
General overview of the main approaches to the design of modern systems (architecture, patterns, approaches)
Basic approaches to: storage, processing, analysis and visualization of data
– Storage (HDFS, NoSQL, DBMS, Cloud storages)
– Processing (Spark, Glue, Lambda)
– Analysis (Spark)
– Visualization (Notebooks, Grafana)
Cloud systems (AWS)
Orchestration and synchronization of processes (Airflow)
DAN-IT: Data Science - Business intelligence
https://dan-it.com.ua/certificates/business-intelligence/ruslan-marchenko/
Дополнительная информация
About
Highly motivated, well-organized graduate with developed leadership qualities and interpersonal communication skills. My areas of interest include data analysis, data engineering, database administration, medicine, logistics, and geodata. I have experience working in the logistics and transportation sector, as well as in the commodity market. My strengths include analytical skills, attention to detail, meticulousness, ability to learn, creative problem-solving, and result-oriented approach.
Руслан
Руслан
Data analyst
Киев
Активно ищет работу
полная занятость, неполная занятость
Характер работы: стажировка / практика, удаленная работа
Обновлено 16 часов назад