Vadim K.
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Vadim K.

Data Scientist. ML, R, SAS, Python, ETL, AWS Developer.

$25.00/hr

Moscow, Russia

Overview

I have 3+ years experience working with data. ETL Developer: SQL, SAS DI, Talend, Oracle DB, GreenPlum DB, PostgrSql, Hadoop, Hive, Pig. Data Scientist/Data Analyst: R, SAS, Python, Machine Learning, D3.js, Spark. I have 4+ years previous experience on developing web applications using PHP, JavaScript, AJAX. Databases: MySQL, Postgresql. Frameworks: JQuery, Code Igniter. CMS: MODx, Wordpress.

Work History and Feedback

  • Mar 2015 - Oct 2015

    Technical Translation of SAS Code to Python, R, or PHP

    No feedback given

    53 hours
    $20.00 / hr
    $1,070.00 earned

  • Sep 2015

    Data Scientists--Take Multiple Choice Test: Earn $20 in 10 minutes
    3.90
    $10.00 earned
    Fixed Price

  • Aug 2015

    Need SQL Specialist for one Query
    5.00
    1 hour
    $20.00 / hr
    $20.00 earned

  • Feb 2015 - Jul 2015

    Ongoing R script development (JSON etc)

    No feedback given

    $270.00 earned
    Fixed Price

  • Mar 2015

    Update Our Client Wordpress Website
    5.00
    Great work on time. Project went very smooth. Will definitely hire again.
    $160.00 earned
    Fixed Price

  • Nov 2014 - Jan 2015

    Develop Cluster Analysis and R Code
    4.80
    3 hours
    $18.00 / hr
    $57.00 earned

  • View More (15)

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Tests

Name Score (out of 5) Time to Complete
Data Sufficiency Test 3.00 Top 20% 18 mins
Statistics Test 3.75 Top 30% 34 mins
Data Interpretation Test 3.70 Top 20% 37 mins
CSS 2.0 Test 4.25 Top 10% 29 mins
PHP5 Test 4.40 Top 10% 30 mins
Analytical Skills Test 3.90 Top 20% 67 mins
Python Test 2.85 Above Average 36 mins
HTML 4.01 Test 4.10 Top 10% 27 mins
SQL Test 2.90 Top 30% 25 mins
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Work History

97% Job Success
1,248 hours worked
69 jobs

Availability

Available
As Needed - Open to Offers
24 hrs response time

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