ניקיטה זליבן
מומחה BI & Data
Israel
Freelancer
ABOUT
מומחה BI עם מספר שנות נסיון בניהול המחזור המלא של ה-BI:
אפיון, הגדרת KPI, מידול נתונים, תכנון ובניית ETLs, ופיתוח דשבורדים.
מנוסה בטכנולוגיות:
NoSQL & SQL databases, Python
Tableau, Looker
Snowflake
Rivery, DBT
Git
אפיון, הגדרת KPI, מידול נתונים, תכנון ובניית ETLs, ופיתוח דשבורדים.
מנוסה בטכנולוגיות:
NoSQL & SQL databases, Python
Tableau, Looker
Snowflake
Rivery, DBT
Git
LANGUAGES
Hebrew
Native or bilingual proficiency
English
Full professional proficiency
Russian
Limited working proficiency
SKILL DETAILS
Technology
Redis
Microsoft BI
Power BI
Software & Programming
250 ₪
/ hr
DB - MySQL
BI, Data Science, Big Data
מומחה BI עם מספר שנות נסיון בניהול המחזור המלא של ה-BI:
אפיון, הגדרת KPI, מידול נתונים, תכנון ובניית ETLs, ופיתוח דשבורדים.
מנוסה בטכנולוגיות:
NoSQL & SQL databases, Python
Tableau, Looker
Snowflake
Rivery, DBT
Git
אפיון, הגדרת KPI, מידול נתונים, תכנון ובניית ETLs, ופיתוח דשבורדים.
מנוסה בטכנולוגיות:
NoSQL & SQL databases, Python
Tableau, Looker
Snowflake
Rivery, DBT
Git
DB - NoSQL
Data Scraping
EMPLOYMENT HISTORY
February
2023
-
March
2024
BI Engineer
vcita- Spearheaded the development and optimization of data marts within the CRM domain, enhancing data models and processes to significantly improve performance, scalability, maintainability aligning with the BI lifecycle requirements following best practices for data warehouse design.
- Led a strategic initiative to research and revamp a part of the business model, resulting in an improvement of at least 20% in revenue and cost savings within the SMS module.
- Implemented robust data warehousing solutions utilizing Snowflake, Rivery (ETL), Looker (BI).
February
2020
-
October
2022
BI Lead
חיל המודיעין- Handled the entire BI cycle - requirements gathering, KPI definition, design and development of ETL processes, data modeling, and dashboards development using Tableau.
- Initiated and led the implementation of analytics engineering infrastructure for the team (Airflow + DBT).
- Managed the Tableau environment, including Tableau Server.
- Used BI tools (Kibana, Tableau) to create insightful dashboards and presentations for stakeholders to plan strategy supported by data-driven decisions.
May
2021
-
March
2022
Freelancer
Upwork- Migrated a NoSQL database (Elasticsearch) to MySQL using Python, including normalization of the data and design of the database.
- Created dynamic dashboards in Google Colab which assisted C-level executives in decision making.
- Analyzed unstructured data from Elasticsearch using Python (Pandas), including wrangling and working with outliers.
July
2019
-
August
2019
Camp Counselor / Instructor
Big Idea Educational Projects- Instructed workshops: C#, Java and Adobe After Effects
- Planned, coordinated, and executed activities while guiding campers of groups up to 15
ARMED FORCES
February
2020
-
October
2022
סמ"ר
ספיר- Handled the entire BI cycle - requirements gathering, KPI definition, design and development of ETL processes, data modeling, and dashboards development using Tableau.
- Initiated and led the implementation of analytics engineering infrastructure for the team (Airflow + DBT).
- Managed the Tableau environment, including Tableau Server.
- Used BI tools (Kibana, Tableau) to create insightful dashboards and presentations for stakeholders to plan strategy supported by data-driven decisions.