ניקיטה זליבן

מומחה BI & Data

Israel

Freelancer

Contact

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

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 ILS / hr

DB - MySQL

BI, Data Science, Big Data

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

Valid security clearance

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.