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On average, 54 R projects are completed every quarter on Upwork.

54

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R Upwork freelancers typically receive a client rating of 4.78.

4.78
Last updated: September 1, 2015
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  1. Jorge Vazquez

    Jorge Vazquez

    Data Analyst\Programmer

    Spain

    Professional with over four years' experience in IT consultancy. Last projects are related to database administration with PostgreSQL and PHP, and data analysis/graphical representations in Excel (and VBA) and R software

    $23.33 /hr
    180 hours
    0.00
  2. Kelly Black

    Kelly Black

    Consultant

    United States - Tests: 2

    I have a wide variety of skills and experiences. My speciality is in programming with an emphasis on c++, python, and R. I am also fluent in matlab.

    $20.56 /hr
    869 hours
    0.00
  3. Amitabh R.

    Amitabh R. Agency Contractor

    Web application architect

    India - Tests: 2 - Portfolio: 1

    I am a web application consultant specializing in developing critical and practical web applications for both established businesses and startups. I have extensive experience in programming in PHP frameworks like YII, CakePHP, Symfony and Codeigniter. I have been developing SAAS application for startups and also have extensive experience in taking over an existing web application , run various audits on it and maintain them for the owner. My main application domains are: -> Application for real estate and mortgage companies -> building CRM for companies -> Financial and statistical applications interfacing with R -> Creating MVP (Minimal Viable Product) for startups -> Real time web applications for stock markets -> Real time geo-location application -> Background check systems -> Social media application based on twitter, facebook, youtube etc APIS. I am very good at understanding and deciphering complex business logic and solve them programatically. I also have very good knowledge of algorithms. I have extensive experience in handling large MYSQL database with high volume traffic. I can write optimized sql queries and can audit sql queries to fix slow running queries. I have practical and in-depth knowledge about code quality, various testing (unit testing, security testing, stress testing). I am very comfortable in setting up full stack application on bare-bone servers. I am also very comfortable working on terminal. I have extensive experience in working in remote team and leading multi-member teams and managing source code through assembla and Bit Bucket. I am comfortable at working in both supervised and unsupervised environment. Below are some area I have gained expertise over the years ********************************************************************** Programming Languages: PHP, Python, Javascript, Node.js, R language Version management : SVN, Git Web servers: Apache, Lighthttpd Relational database : MYSQL, PostGresql Nosql databases : Mongodb PHP frameworks : YII, CakePHP, Symfony2, Codeigniter Javascript frameworks : Jquery, express.js, knockout.js, backbone.js Open source application : Wordpress, Joomla, Open cart Debugging : XDebug, KcacheGrind, Fiddler, Wireshark Job queue: Beanstalkd Caching : APC, file based caching Testing Tools : Manual and automated testing using PhpUnit, Apache Jmeter, Load UI, Rapid7, Burp suite. We cover Functional, Security, Stress, Compatibility and Usability testing Design tools : MYSQL workbench, Freemind, Visio, Pencil Internet protocols : HTTP, TCP/IP, SSL/TLS, POP3, IMAP Third Party APIs: Amazon, Facebook, Twitter, LinkedIn, Google +, Google Maps, Flickr Server management : Ability to setup barebone servers. Comfortable with Linux terminal. Use Cpanel, Plesk and Zpanel Payment gateways : Paypal, Stripe, Authorize.net, Google checkout, Amazon payment, Zombaio Technologies : AWS, Ajax , REST, OAuth2, Design patterns, JSON, Web-Services/SOAP, HTML/XHTML, CSS, Smarty, PEAR, Composer Background check and Drug testing API : NationalBackgroundData, RapidCount, TradeHouseData, BackGroundChecks.com, Labcorp, Escreen

    Associated with: Codelogicx Technologies Private Limited, FinArb Analytics Consulting

    $22.00 /hr
    690 hours
    5.00
  4. Vinay Sawant

    Vinay Sawant

    BigData Hadoop Developer/Analyst/Data Scientist

    India - Tests: 1

    • BigData Hadoop Certified • Certifcation of HBase by IBM from BigDataUniversity. • Certifcation of Data Analysis using R from BigDataUniversity. • IBM Pig Certified from BigDataUniversity • IBM Hive Certified from BigDataUniversity • JAQL Certified by IBM from BigDataUniversity. • Knowledge in Big Data Hadoop and its components like HDFS, Map Reduce, Apache Pig,Hive, Sqoop, and HBase,Phoenix. • Knowledge of Setting up Hadoop Cluster (Single and Multi Node in Ubuntu) • Knowledge of installing writing the Pig scripts to reduce the job execution time • Currently pursuing Certification course of Data Science from Coursera • Currently pursuing Certification course of Machine Learning from Coursera by AndrewNG • Currently pursuing Certification course 15.071X, THE ANALYTICS EDGE- Analytics! • Currently pursuing Certification course of Practical Machine learning from Coursera

    $13.33 /hr
    32 hours
    3.93
  5. Tim Van Boxtel

    Tim Van Boxtel

    Engineer

    Canada - Tests: 7

    A skilled technophile with experience in many aspects of hardware and software. Sotware: Web Application Development utilizing Flask and Django REST Based API Skilled Python developer Website Development - PHP, HTML5, CSS3, Javascript, jQuery Database Query, SQL, Cypher, Hardware: Electronic Circuit Design. Schematic - PCB I take great care in the quality of my work and forward my rigour and passion onwards

    $61.11 /hr
    414 hours
    5.00
  6. Jeffrey S.

    Jeffrey S.

    Data Scientist, Project Manager and Labview Developer

    United States - Tests: 3

    I have deep experience working with large data sets to solve complex problems. My background includes working in the areas of Bayesian statistical analysis as well as predictive analytics, business intelligence, data modeling and forecasting. I have worked used my skills in a variety of industries such as energy, manufacturing, finance and aerospace. I also have more than a decade of development experience, primarily with National Instruments Labview, as well as many years of project management experience and my PMP certification.

    $67.00 /hr
    9 hours
    5.00
  7. Stephanie Hintzen

    Stephanie Hintzen

    Bioinformatics Scientist

    United States - Tests: 2 - Portfolio: 1

    I am looking to keep learning and to expand my skills through some free lance work. I hope to try new things and to earn some extra money. Most of my skills are in biology, but I have considerable computer experience. In addition to the skills listed below, I have also dabbled (and can code my way out of a bag) in: C++, PHP, MSQL But as I don't code in them often, I didn't want to list them as something I am "skillful" in. Check out my professional profile and connect with me on LinkedIn. http://lnkd.in/GgsAN6

    $12.00 /hr
    10 hours
    0.00
  8. Arif uzzaman

    Arif uzzaman

    Swift, Objective-c,Xcode, Asp.Net Web API,WPF, MEF, R, Data-Science

    Bangladesh - Tests: 17 - Portfolio: 3

    9 plus years background in Obective-C, Swift, c#.NET, Android & BI development. Very comfortable and relax to work both Windows (.net, Web Api, WPF) and Apple (Objective-C & Swift) With JavaEE development (JBoss, EJB, JPA, Struts, WebService, Eclipse IDE). Have experiences more than 5+ years on Business Intelligence development (SAP BO/BI and Microsoft BI, QlikView). Has 2+ years experience to develop solutions in TelCo industry. In-depth knowledge of various platforms, software systems, and servers. Extensive programming experience using WPF with MVVM pattern and MEF and PRISM framework, Web API, Objective-C, Swift, Android, MSSQL, MS SharePoint 2010, SAP BI/BW. A researcher who can pick any technologies to work and come to a solution. Architect of enterprise applications for different platforms running seamlessly and currently using 40000 users all over the world. (flipmob.net)

    $12.00 /hr
    173 hours
    4.81
  9. Ankur Bansal

    Ankur Bansal Agency Contractor

    R, SQL, Excel VBA Modeler - Specialist Modeling, Statistical Analysis

    India - Tests: 5 - Portfolio: 5

    I am an engineer from IIT Delhi and have worked for 8+ years as a process modeler and automation engineer. I have strong appetite of mathematics, statistical & analytical techniques and can work with ease on tools like Excel Data Analysis, SQL R-Project. I can provide support in creating models for engineering and business process from scratch. My expertise are in data modeling, process automation, statistical analysis and design. Please check detailed work history on my website http://www.excelmodeler.com

    Associated with: Octave Simulations

    $30.00 /hr
    560 hours
    4.64