freiberufler Data Analyst auf freelance.de

Data Analyst

offline
  • auf Anfrage
  • 13089 Berlin
  • Umkreis (bis 200 km)
  • ta  |  en  |  de
  • 03.04.2019

Kurzvorstellung

I have completed my Bachelor´s degree in Computer Science and have around 6 years of professional experience as a Software Developer and Tester and 1 year of experience as Programmer Analyst and completed Data Analyst Nanodegree from Udacity.

Auszug Referenzen (1)

"I would like to work on projects utilizing my skill set."
Data Analyst
Pragadeeswari Selvakumar
Tätigkeitszeitraum

9/2017 – 6/2018

Tätigkeitsbeschreibung

Analysis of twitter users @dog_rates - github.com/pragati006/data-wrangling May 2018
Performed data wrangling process (Gather, Access, Clean) and analyzed the twitter data.
Concluded that twitter @dog_rates page is being accessed more through iPhones and rating pattern has changed over a period of time with rating numerator more than denominator(10).
Technologies used: Python, NumPy, Pandas, JSON, Matplotlib and Jupyter Notebook.

White wine quality report - github.com/pragati006/White_wine_report Apr 2018
Explored white wine dataset with almost 4900 thousand samples using R programming.
Concluded that high quality samples have high alcohol and low residual sugar & chlorides.

Baseball players report - github.com/pragati006/Baseball_players_report Mar 2018
Created an explanatory visualization – report on baseball players dataset using Tableau.
Concluded that right handed players showed lower performance than others.

Analyzing A/B Test Results - github.com/pragati006/A-B-Test-Result-Analysis Jan 2018
Analyzed the results using hypothesis and logistic regression testing approach.
Concluded that the old page could be kept based on the calculated p-value.

Female Education - github.com/pragati006/Women-education Nov 2017
Analyzed 6 datasets from Gapminder on female education using Python, Pandas, Matplotlib.
Concluded that female education plays an important role in financial & personal well-being.

Eingesetzte Qualifikationen

Softwareanforderungsanalyse

Qualifikationen

  • COBOL
  • CSS (Cascading Style Sheet)
  • HTML5
  • IBM DB2
  • JavaScript
  • MS Excel
  • Oracle Database
  • Python
  • R
  • Tableau

Projekt‐ & Berufserfahrung

Data Analyst
Udacity, Berlin
9/2017 – 6/2018 (10 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

9/2017 – 6/2018

Tätigkeitsbeschreibung

Analysis of twitter users @dog_rates - github.com/pragati006/data-wrangling May 2018
Performed data wrangling process (Gather, Access, Clean) and analyzed the twitter data.
Concluded that twitter @dog_rates page is being accessed more through iPhones and rating pattern has changed over a period of time with rating numerator more than denominator(10).
Technologies used: Python, NumPy, Pandas, JSON, Matplotlib and Jupyter Notebook.

White wine quality report - github.com/pragati006/White_wine_report Apr 2018
Explored white wine dataset with almost 4900 thousand samples using R programming.
Concluded that high quality samples have high alcohol and low residual sugar & chlorides.

Baseball players report - github.com/pragati006/Baseball_players_report Mar 2018
Created an explanatory visualization – report on baseball players dataset using Tableau.
Concluded that right handed players showed lower performance than others.

Analyzing A/B Test Results - github.com/pragati006/A-B-Test-Result-Analysis Jan 2018
Analyzed the results using hypothesis and logistic regression testing approach.
Concluded that the old page could be kept based on the calculated p-value.

Female Education - github.com/pragati006/Women-education Nov 2017
Analyzed 6 datasets from Gapminder on female education using Python, Pandas, Matplotlib.
Concluded that female education plays an important role in financial & personal well-being.

Eingesetzte Qualifikationen

Softwareanforderungsanalyse

Programmer Analyst
Sears Holdings Corporation, Hoffman Estate, IL, Illinois
2/2012 – 1/2013 (1 Jahr)
Dienstleistungsbranche
Tätigkeitszeitraum

2/2012 – 1/2013

Tätigkeitsbeschreibung

Involved in Business Analysis, Estimation and Systems Planning.
Fine tuned the application technically (both batch and online) to improve the performance using optimization techniques.
Migrated the code from Development environment to Integration & Production using Endevor as part of the development and version-control.
Involved in the doing the impact analysis and modified the code as per the business requirement and generated adhoc reports using EAZTRIVE
Developed a tool in REXX to identify interface files of a system which reduced analysis time by 20%.
Involved in schema change in DB2 tables by adding new columns to the table.
Played a role of coordinator between onsite and offshore team for project delivery and reviewed the modifications made to the code and the test documents to ensure quality.

Eingesetzte Qualifikationen

Softwareanforderungsanalyse

Systems Engineer
Target Corporation, Chennai
2/2006 – 1/2012 (6 Jahre)
Dienstleistungsbranche
Tätigkeitszeitraum

2/2006 – 1/2012

Tätigkeitsbeschreibung

Involved in Understanding Business Requirements and developing the Technical Specifications and High Level Design Documents (HLD).
Developed batch and online programming (COBOL, DB2, CICS, JCL, VSAM, DB2 stored procedures, Cataloged procedures, In-stream procedures, Control Card) and also prepared the documentation up-to-date using MS-Office and VISIO.
Prepared test scripts, plans and involved in Unit Testing, System Integration Testing, User Acceptance Testing and fixed identified issues as part of UAT using File-Aid, COBOL, JCL, Expeditor, QMF, PLATINUM, SPUFI; verified the test data using random spot checking.
Involved in changing the algorithm's to implement the new forecasting process.

Eingesetzte Qualifikationen

APS (Application Programm System)

Zertifikate

Data Analyst Nanodegree - Udacity
2018
Goethe Certificate B1(German Language)
2016
Oracle (Introduction to Oracle9i)
2009
DB2 Database (IBM DB2 UDB V8.1 Family Fundamentals Examination)
2007

Ausbildung

Bachelor of Engineering (Computer Science)
Ausbildung
2005
Chennai, India

Weitere Kenntnisse

Bachelor of Engineering ( Computer Science)

Persönliche Daten

Sprache
  • Tamil (Muttersprache)
  • Englisch (Fließend)
  • Deutsch (Gut)
Reisebereitschaft
Umkreis (bis 200 km)
Arbeitserlaubnis
  • Europäische Union
Profilaufrufe
1626
Alter
41
Berufserfahrung
18 Jahre und 9 Monate (seit 02/2006)
Projektleitung
1 Jahr

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