Data Science Professionals & Consultants

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Data Science Job Cost Overview

Typical total cost of Upwork Data Science projects based on completed and fixed-price jobs.

Upwork Data Science Jobs Completed Quarterly

On average, 25 Data Science projects are completed every quarter on Upwork.

25

Time to Complete Upwork Data Science Jobs

Time needed to complete a Data Science project on Upwork.

Average Data Science Freelancer Feedback Score

Data Science Upwork freelancers typically receive a client rating of 4.83.

4.83
Last updated: July 1, 2015

Popular Data Science Searches

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  1. Thomas N.

    Thomas N. Agency Contractor

    MD student w/ skills: Python, Excel, Data Science/Analysis/Viz/Scrape

    United States - Last active: 5 days ago - Tests: 7 - Portfolio: 6

    Over the past 5 years, I have developed a unique skillset that is mainly focused on manipulating, visualizing, and understanding data. As a medical student, I've utilized big datasets distributed by the CDC and other governmental organizations to find and anlayze trends in healthcare for research. My core competency lies in utilizing everything from smaller datasets in Excel to writing complete programming solutions to handle very large and complex datasets. I work primarily in python using the main data science libraries (pandas, numpy, scipy) as well as scrape my own data directly into a database using other python libraries (beautifulsoup, mechanize, scrapy). No matter the project, if my studies allow me to have available time, I can complete your data analysis, database manipulation, and other data related projects for you or your business efficiently and with close attention to detail. I also have experience in the following areas: SQL, MongoDB, Microsoft Access, and javascript libraries such as charts.js or D3.js. I am also very familiar and comfortable with medical terminology and am capable of distilling the information in to more accessible terms. I know how difficult it is to understand sometimes but I am able to generate content or review/edit content utilizing my medical school education.

    Associated with: MD pending

    $55.56 /hr
    3 hours
    5.00
  2. Ahmet emre A.

    Ahmet emre A.

    Senior Python Developer

    Turkey - Last active: 11/10/2014 - Tests: 3 - Portfolio: 3

    Expert Python programmer, PhD Candidate on Social Network Analysis. Developed large-scale web applications, scripts, desktop applications, scientific visualization sotware, scrapers. Performed data analysis using R and Python. I've been programming for 15 years with various programming languages (C, Java, PHP, Python, Prolog, Scheme, Javascript) and for the last 5 years, I've focused on Python, Django programming. It'd be pleasure to provide good solutions to your software projects. See my website for CV and my projects: http://goo.gl/yp5hDQ

    $37.00 /hr
    4 hours
    5.00
  3. Vadim K.

    Vadim K.

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

    Russia - Last active: 1 day ago - Tests: 9

    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.

    $22.00 /hr
    858 hours
    4.93
  4. Aaron M.

    Aaron M.

    Data Scientist:Machine Learning, Statistics, R, Python, Java, VB/Excel

    United States - Last active: 6 days ago - Tests: 5 - Portfolio: 1

    I work with clients on defining, implementing and managing data analysis and data management projects. My expertise lies at the intersection of Statistics, Computer Science and Business acumen. Specific areas of interest to me are education, healthcare, finance, real estate, and energy. Analysis: R (statistics), Python (data munging), Java+Scala (machine learning / big data), VB.NET/Excel (financial modelling) ** Apache Hadoop, Hive, Spark with MLlib (big data ecosystem) ** MongoDB, Neo4j (NoSQL) + MySQL, Monetdb (SQL) ** Gephi (networks/social graph processing) ** Weka (machine learning) Visualization: Tableau (rapid dashboarding), Shiny (R package for interactive statistical dashboards) Environments: Linux, Windows, and Mac (least experience) Productivity: Git (source code control) Web Applications: Play 2 Framework (modern Java/Scala-based, reactive websites) I believe the key qualification to be a Data Science practitioner is an analytic and curious mindset. That said, many hiring decisions seem to hinge on specific skills. Let me know if there's a tool or technology you don't see on my list, and I'll let you know if I've worked with it before.

    $200.00 /hr
    956 hours
    4.99
  5. Mikhail S.

    Mikhail S.

    C#,ASP.NET,C++,Matlab,BigData,Vertica,Hadoop

    Belarus - Last active: 3 days ago - Portfolio: 1

    10+ years experience; Technical Skills: - C#,C/C++,Matlab; ASP.NET, Web Services,Client-Server architecture, MS SQL,Desktop applications; -Windows,*nix; - BigData, HP Vertica ,Mongo DB, data analysis and data mining; -RUP/AGILE/Scrum; I'm an expert in econometrics and statistical analysis of machine learning, data analysis and data mining, integration of different types of software onto different platforms (Win32< - > NET < - >ASP.NET < - >Matlab). I develop desktop, distributed server and client-server applications using C/C+,Matlab,Visual Studio and other related languages, IDEs, environments. See full CV in the attachment

    $20.00 /hr
    27 hours
    5.00
  6. Ben G.

    Ben G.

    United States - Last active: 2 days ago - Portfolio: 1

    I'm currently 23, with over three years experience doing analytics for a large deductible workers compensation provider (whom I'm currently still employed with on a full-time basis). I'm also in school finishing my degree in Math. I'm a tinkerer with a passion for finding creative solutions to data related problems. As much as I love my full time job, I'm on here looking for some extra problems to solve in my spare time (and to make some extra cash while I'm at it). My expertise is in R and Excel/VBA, but I have experience working with a wide variety of languages including Python, SQL, and all things web related. I don't consider myself an expert in programming or statics but I'm good enough in both areas to do some damage. Unfortunately my best work must be kept secret by my employer, but feel free to check out my (somewhat neglected) blog - GormAnalysis.com

    $45.00 /hr
    41 hours
    5.00
  7. Abhijeet C.

    Abhijeet C.

    Geospatial Solutions Expert

    United Kingdom - Last active: 19 hours ago - Tests: 2 - Portfolio: 4

    5+ years Mapping and GIS experience coupled with Masters in GIS/Mapping and MBA; Highly competent Geospatial professional, experienced in TileMill-MapBox interactive Map Development, Geocoding, Satellite Remote Sensing, Photogrammetry, Digital Image Processing & GIS projects; is passionate about applying knowledge and experience to support your business. Committed to provide the best results at reasonable costs. Passionate about working in the field of Geospatial information sciences.

    $17.00 /hr
    686 hours
    4.73
  8. Zlatomir Zlatev

    Zlatomir Zlatev

    Desktop Apps,Databases,Bioinformatics,Statistics,R-project,web Scrap

    Bulgaria - Last active: 19 hours ago - Tests: 3 - Portfolio: 2

    I have 14+ years of programming experience and a Master's degree in Bio- and Medical Informatics. I'm good at User Friendly GUIs, Data Reorganization, File Format Conversions (including text and binary data formats), Web Scrapping, Desktop Applications (Visual FoxPro, C# recently), Databases (a lot of experience), Bioinformatics, Statistical Analysis, R-project for statistical computing (including C code compiled for R to speed up some time consuming computations), SQL, Microsoft Office Excel Automation (VBA code sent from a desktop application to Excel to make it do things), Programs to Automatically fill Acrobat PDF Forms, Text Parsing, Mapple, C, C++, C#, Audio/Video formats conversion, Molecular Biology, Genetics and more. Keywords: Bioinformatics, Desktop Applications, Molecular Biology, Genetics, C, C++, C#, Mapple, PDF Forms, edgelist, edge list, Databases, database, Statistical Analysis, R-project, VBA, Automation, Medical Informatics, Algorithms, algorithm, File Convert, files conversion, Text Parsing, parse, user friendly graphical interface, GUI, Audio, Video, website scrap, scrapping, wordcloud, wordclouds, word cloud, word clouds, C#.

    $19.96 /hr
    185 hours
    4.95
  9. Quang Nguyen

    Quang Nguyen

    Natural Language Processing - Machine Learning - Computer Vision

    Netherlands - Last active: 3 days ago - Tests: 7

    Experienced engineer and researcher in the field of Artificial Intelligence (AI). Have worked as a scientific data analyst, algorithm developer and software developer for mobile apps. Bsc. and Msc. in Artificial Intelligence, obtained at the University of Amsterdam (UvA) in the Netherlands / Holland. Also (co-)author of 3 scientific publications on Image processing. 1. deviantArt in Spotlight: A network of Artists, Leonardo - MIT Press Journals 2. Explorative Visualization and Analysis of a Social Network for Arts: The Case of deviantART, Journal of Convergence (JoC) 2(1):87-94 3. A Color Based Rangefinder for an Omnidirectional Camera, Proceedings of the International Conference on Intelligent Robots and Systems in St. Louis, Missouri, USA, 2009. Also experienced in mobile app development which I tend to do as a hobby. My interest lays primarily on cross-platform app development which means targeting Flash, HTML5, Android, iOS and Windows Phone 8. Keywords: Machine learning, pattern recognition, supervised learning, unsupervised learning, computer vision, image processing, image analysis, feature extraction, feature analysis, classification, information processing, data mining, data analysis, natural language processing, speech recognition, speech synthesis, knowledge representation. Matlab, Prolog, Java, Javascript, HTML5, C++, Python, Latex. OpenCV, Weka, libSVM, Android, iOS, Windows Phone 8.

    $30.00 /hr
    453 hours
    4.75
  10. Jarek Zmudzinski

    Jarek Zmudzinski Agency Contractor

    Web application development

    Poland - Last active: 03/14/2011 - Tests: 14 - Portfolio: 13

    In my over 10 years of web development adventure I developed many sites (some of my latest work is in my portfolio) and I grew addicted to coding. About 6 years ago, bored by PHP, I stumbled onto Ruby on Rails which quickly became my favorite tool. I developed 3 large applications by myself and coauthored at least 2 more.I enjoy writing JavaScript code for some time now specializing in jQuery library.For over 4 years I was working as Expert Webdeveloper for largest online auction platform in Central and Eastern Europe, where I share my jQuery expertise among fellow webdevelopers. Later I got promoted to CTO of citeam.pl project (daily deals app). In late 2013 I got another promotion, to IT Manager. I am interested in everything from server administration, Ruby on Rails, node.js backend coding, HTML5, CSS3, JS frontend development to IT leadership focusing on employee engagement.

    Associated with: Toro Negro

    $33.33 /hr
    50 hours
    5.00