$$
{{ $t($store.state.user.experience_value_in_dollars) }}
Junior
{{ $t($store.state.user.experience_search_name) }}
0
jobs
Data Analyst & Business Intelligence Developer
Andrei Deusteanu
,
Bucharest, Romania
Experience
Other titles
Skills
I'm offering
I'm a Data Analyst - i turn Big Data to Big Value. I can help you forecast the future of your company and find opportunities in data to beat those odds. Also I can ease the access to your data for everybody in the organization through a Self-Service Analytics Platform.
I help business people identify and automate relevant KPIs. Currently I develop ETL jobs in Python on a Linux environment. The data sources are SQL or MongoDb based. The Data Warehouse is based on Google BigQuery together with Google Data Studio. For custom visualizations or advanced statistics I use R with RStudio.
I help business people identify and automate relevant KPIs. Currently I develop ETL jobs in Python on a Linux environment. The data sources are SQL or MongoDb based. The Data Warehouse is based on Google BigQuery together with Google Data Studio. For custom visualizations or advanced statistics I use R with RStudio.
Markets
United States
(Remote
only)
United Kingdom
(Remote
only)
Lithuania
(Remote
only)
Denmark
(Remote
only)
Norway
(Remote
only)
Sweden
(Remote
only)
Links for more
Once you have created a company account and a job, you can access the profiles links.
Language
English
Fluently
Ready for
Larger project
Available
My experience
2018 - ?
job
Data Analyst & Business Intelligence Developer
2Performant.
I help business people identify and automate relevant KPIs. Currently I develop ETL jobs in Python on a Linux environment. The data sources are SQL or MongoDb based. The Data Warehouse is based on Google BigQuery together with Google Data Studio. For custom visualizations or advanced statistics I use R with RStudio.
Google analytics, Python, Google Data studio, Data Analysis, R, Sql, DATA ANALYSIS AND VISUALIZATION, Business Intelligence, Excel
2017 - 2018
job
Big Data Analyst
eMAG.
A/B testing:
Design A/B tests for various website features with the help of R and Monte Carlo Simulations
Project the business ROI in terms of orders and traffic based on plausible changes
Analyze the significance of the results using the appropriate hypothesis tests
Analyze development projects impact:
Check the business impact of various implementations done on the website like filters use, listing algorithms, impact in conversion rate, user journey etc.
Extract data from QlikView / Google Analytics or Google Cloud Platform - Big Query using SQL
Design and implement ETL jobs:
Extract and combine data from various REST APIs via Python
Create complex SQL queries on user-site interaction data from Big Query
Create QlikView or Google Cloud Platform - Data Studio dashboards
Design A/B tests for various website features with the help of R and Monte Carlo Simulations
Project the business ROI in terms of orders and traffic based on plausible changes
Analyze the significance of the results using the appropriate hypothesis tests
Analyze development projects impact:
Check the business impact of various implementations done on the website like filters use, listing algorithms, impact in conversion rate, user journey etc.
Extract data from QlikView / Google Analytics or Google Cloud Platform - Big Query using SQL
Design and implement ETL jobs:
Extract and combine data from various REST APIs via Python
Create complex SQL queries on user-site interaction data from Big Query
Create QlikView or Google Cloud Platform - Data Studio dashboards
Google analytics, Big query, DATA ANALYSIS AND VISUALIZATION, R, Python, ETL, Business Intelligence, Sql, QlikView, Google Data studio, A/b test, Statistics
2015 - 2016
job
Data & Process Analyst
eMAG.
Data Analysis
- extracting process related data from various MySQL servers,
- combining data in a relevant manner using QlikView 11 (backend) or Excel (PowerQuery),
- analysing data using descriptive statistics & visualizations (histograms, boxplots, data sumaries),
inferential statistics (hypothesis testing, regression), predictive statistics (logistic regression, kNN, decision trees) and clustering analytics (k-Means, Hierarchical clustering) in R or Minitab
- if data transformation was needed prior to the analysis I used R (mostly data.table package) and
QlikView (front end – set expressions, aggregates, pivot tables)
Process Mapping of business or technical processes based on the BPMN 2.0 standard using iGrafx for Six Sigma (with central repository) as a tool
Process Analysis:
- analysing process stability or capability with Control Charts or Capability Analysis in Minitab
- extracting process related data from various MySQL servers,
- combining data in a relevant manner using QlikView 11 (backend) or Excel (PowerQuery),
- analysing data using descriptive statistics & visualizations (histograms, boxplots, data sumaries),
inferential statistics (hypothesis testing, regression), predictive statistics (logistic regression, kNN, decision trees) and clustering analytics (k-Means, Hierarchical clustering) in R or Minitab
- if data transformation was needed prior to the analysis I used R (mostly data.table package) and
QlikView (front end – set expressions, aggregates, pivot tables)
Process Mapping of business or technical processes based on the BPMN 2.0 standard using iGrafx for Six Sigma (with central repository) as a tool
Process Analysis:
- analysing process stability or capability with Control Charts or Capability Analysis in Minitab
Business Process Management, QlikView, Sql, IGrafx, Statistics, R, DATA ANALYSIS AND VISUALIZATION, Business Intelligence, Minitab, Lean, Six Sigma
Andrei's reviews
Andrei has not received any reviews on Worksome.
Contact Andrei Deusteanu
Worksome removes the expensive intermediaries and gives you direct contact with relevant talent.
Create a login and get the opportunity to write to Andrei directly in Worksome.
are ready to help you
and get specific bids from skilled talent in Denmark