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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, 28 Data Science projects are completed every quarter on Upwork.

28

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 4.84.

4.84
Last updated: September 1, 2015

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  1. David Mestre

    David Mestre

    Python, Web Scraping, Data Analysis, Data Science

    Spain - Tests: 10 - Portfolio: 2

    - Data cleaning, data analysis, modeling and simulation techniques using Python - MySQL/MongoDB/Sqlite/Sparql/Postgresql - System administration - Machine Learning - Web scraping/crawling with python - Parsing xml/csv/json - Python libraries: pylab, scipy, pandas, matplotlib, ggplot, seaborn, bokeh, numpy, csv, re, json, urllib, urllib2, socket, httplib, sklearn, BeautifulSoup, selenium, requests, lxml, xml, sys, so, subprocess - IDEs: iPython notebook, Komodo Github: https://github.com/dlmestre/mywebpage

    $40.00 /hr
    1,043 hours
    4.97
  2. Ronald T.

    Ronald T.

    Expert Data Science, Data Mining, Data Analytics & Data Visualization

    United States - Tests: 13 - Portfolio: 12

    I possess a very diverse background and a proven track record of success. I am a personable, reliable, highly skilled individual with decades of experience in information technology and quality assurance involving data science, data mining, machine learning, data analytics, quantitative analysis, data visualization, Internet research, and lead generation. My primary services include, but are not limited to: ✓ Data Mining and Data Management (Processes: KDD, CRISP-DM, and 3-Step Simplified). ✓ 3-Step Simplified Process: 1) Data Gathering, 2) Data Manipulation, and 3) Data Visualization. ✓ Data Gathering (Outwit Hub -- Spreadsheets, Databases, Cloud Data, and Big Data). ✓ Data Manipulation (KNIME -- Data Transformation, Aggregation, and Sampling). ✓ Data Visualization (Tableau -- Infographics). ✓ Website Site Audits (Web CEO Pro Desktop Edition). ✓ Keyword Research and Analysis (Web CEO Pro and Market Samurai). ✓ Website Content Inventory and Analysis (Proprietary Methods). ✓ Web Design and Website Development (HTML, PHP, WordPress, Joomla, and WHMCS). ✓ Business Development, Lead Generation, and Internet Marketing (Infusionsoft and OntraPort). Ron Taylor aka LanWanMan, Upwork Freelancer since 2009 — Upwork Client 100% Recommended — Upwork 5.0 Rating with 2,900 Hours — Upwork 100% Job Success Score — Upwork "Top Rated".... I am a "native speaker of English" with no discernible accent and possess an excellent command of English grammar, punctuation, and mechanics as used in the United States, Australia, Canada, and the United Kingdom. My writing includes formal and informal writing based primarily on style guides: MLA Style Manual (MLA), American Psychological Association (APA), and The Chicago Manual of Style. Please take a moment to review my work history, feedback, and ratings below. For your convenience, my resume is attached to the portfolio section of my freelancer profile here on Upwork. Pay rates are negotiable dependent upon contract duration, complexity, and estimated total earnings. Hire Ron aka LanWanMan -- your one stop shop for all of your information technology needs! Cheers! Ron aka LANWANMAN, Ocala, Florida USA TECHNOLOGIES AND APPLICATIONS (Partial List): WordPress, WHMCS, PHP, MySQL, HTML5, CSS3, WHM, cPanel, SEO, Web CEO Pro Desktop Edition, Market Samurai, Outwit Hub, ScrapeBox, KNIME, Microsoft Access, Microsoft Excel, SPC XL for Microsoft Excel, Tableau Public, Tableau Desktop, XMind, Infusionsoft, OntraPort aka Office Autopilot, MailChimp, AWeber…. ► Free yourself from the technological maze. Hire LanWanMan on Upwork TODAY! ◄

    Groups: Article Samurai, AWeber...

    $85.00 /hr
    2,892 hours
    5.00
  3. Rahul Singh

    Rahul Singh Agency Contractor

    Search/NLP/Semantic/Predictive Models/Machine Learning

    India - Tests: 3 - Portfolio: 3

    I have good experience in the field of big data, machine learning, search, natural language processing, semantic web and knowledge modeling. I have worked on Named Entity Recognition, RDF, SPARQL, JSON, XML, Hadoop, Mongodb, Couchdb, ElasticSearch, Solr, Lucene, Mahout, R, Gate, Apache-Jena, Dbpedia, Ektorp, Weka, Jackson. I have a good experience in programming languages such as Java, R, SAS, Python. I have extensive experience of applying machine learning algorithms to solve complex business problems. I am a post graduate in Electrical Engineering, IIT Kharagpur (2004-2009).

    Associated with: OSBII Agency

    $55.56 /hr
    3,615 hours
    5.00
  4. Ahsan shafiq C.

    Ahsan shafiq C.

    Top Game Developer / Data Scientist & R Developer

    Pakistan - Tests: 2 - Portfolio: 5

    I have 5+ years of experience in Software Development and Design in various leading technologies. I have worked for International Customers and helped them growing their business and expanding the profitability. Over the last 5 years, I have developed a wide range Mobile applications, which include iPhone/iPad/Android/J2ME. I have developed both games and eCommerce applications for iPad/iPhone. I have Masters Computer Science with focus on Data Mining and Machine Learning. I have been doing statistical data analysis in R for 2+ years now and have experience working with a variety of single/multiple regression, multi class classification and clustering techniques. I have been involved in development of: - Ruby on Rails - iPhone/Android Native Applications for the Enterprise - iPhone/Android Games Specialties: iPhone SDK / Android / J2ME / Symbian / BREW / BlackBerry Cocos2d / Cocos2d-x / Unity3D / OpenGL ES / Quartz 2D Box2d / Chipmunk Ruby on Rails (ROR) C / C++ / Objective-C / Cocoa Framework / C#

    Groups: Application Developers Alliance

    $30.00 /hr
    3,524 hours
    4.83
  5. Amal Dutta

    Amal Dutta Agency Contractor

    System Analysis & Design, Project Management, Technical Writing etc.

    India - Tests: 14 - Portfolio: 5

    Thanks for visiting my profile. My full name is Amalabha Dutta. Currently I am working for PreScouter, Inc. (a Chicago based Technology Scouting Company) as Marketing Data Analyst (CRM). Prior to that I worked for a New York based company for customization and implementation of a Zoho CRM/Recruit based solution integrated with the website of the company. During Nov-2011 to Jun-2012 I have customized and prepared contents for a Zoho CRM Project for an Australian company. I have examined SugarCRM, SalesForce, VTiger and Microsoft Dynamics for comparison of features and limitations to prepare myself to work on these platforms. During 2008 to 2011, I have worked for two projects for Customization and Implementation of ERP/CRM on MS-SQL Server /.Net Platform over and above general administrative and strategic planning functions for small business houses. My objective is to best utilize my qualification, experience, dedication and extraordinary learning capabilities to turn every assignment I undertake into success. My employers have utilized my abilities in Technical Writing for Documentation and preparation of Training Materials etc. Throughout my career, I have prepared Business Proposals, Project Proposals, RFPs, Tender Documents, Contract Documentation on many occasions apart from Business Correspondence. I love to learn / improve / adapt continuously. Recently, I have enrolled with the Partner University of vmware to learn 'virtualization' from the world leader in the field and have already passed three module tests. I have also passed many oDesk and Brainbench tests with outstanding marks. Please visit the relevant sections for details. My employment history ============== I am working for a New York based company for customization and implementation of a Zoho CRM/Recruit based web-integrated solution. Prior to that, I have completed an assignment from an Australian Pharmaceutical Company for customization and implementation of Zoho CRM. While working for this project I have also used other cloud based solutions in Zoho, Google etc. apart from using Teamviewer, Skype and GoogleTalk on a regular basis. During 2008 to 2011, I have led teams of professionals for customization / implementation of ERP Solutions in two particular fields – 1) Healthcare; and 2) Logistics/ Transportation. Starting from a Purchase Officer’s job in a Public Sector Company in India, I have worked in many areas and levels up to the level of General Manager. I have domain knowledge in a number of fields such as Pharmaceuticals, Engineering Consultancy, Logistics/Transportation, Banking, Healthcare and Real Estate. Apart from General Administration, HR, Business Development etc. my focus has always remained around modernization – particularly, office automation and allied projects. I have hardcore experience in managing the entire spectrum of ERP Sales/ Customization/ Implementation encompassing the following functions: Demonstration of ERP Solutions to prospects; Requirement/ functional/ gap analyses; Customer interaction for finalizing contractual terms; Coordinating with presales team and signing off contracts; Overseeing preparation of Blue Prints and Business Mapping Reports; Recruiting technical personnel; Taking part in preparation of technical/training manuals; Conducting training programs for the senior level participants. My core competency lies in communication at any level for complete end to end management of ERP/Software projects that includes myriad of managerial activities, Technical Documentation, Presentation, Recruitment, Training etc. I have done innumerable writing projects; apart from Software Documentation and Training Manuals I have mostly done Technical Writing and SEO jobs through various entities in the web. Please visit my personal blogs to know more: 1) http://amalabha.blogspot.com/ 2) http://amalabha.wordpress.com/

    Associated with: Data Consultancy & Training Services

    $20.00 /hr
    7,136 hours
    4.83
  6. Volodymyr Kostanda

    Volodymyr Kostanda Agency Contractor

    iOS/Android/MacOS/Win/ObjectC/C#.NET/C++/Delphi/Java/Web/JS/ASP/PHP/QA

    Ukraine - Tests: 42 - Portfolio: 41

    Owner and CEO at AdoriaSoft LLC. AdoriaSoft offers full cycle software development services and implements all stages of projects for our customers: - Research and estimation - Requirements definition - Architecting - Development - Graphical design and User experience design - QA - Support and updates Platforms that we develop for: - iOS (iPhones and iPads of different versions) - Android phones and tablets - MacOS - Web - Windows desktop - Windows Server - Windows CE - Windows Mobile PPC and SP 5.0, 6.0, 6.5, 7 editions We - have different real devices for testing (Android phones and tablets, iPhones, iPads of different generations, Macbooks, etc), no emulators. - work with both native and crossplatform frameworks - use an established design/development/testing lifecycle, follow scrum - have our own development servers with tasks management system (JIRA), source control (Git), continuous integration and build server (Bamboo), etc. - can easily work with time zones like PST, EST, etc. - offer high quality and cost effective solutions for our customers Technologies/Languages/Libraries/Frameworks: - ObjectiveC, iOS SDK, Mac OS SDK, XCode - Java, Android SDK - C++, STL, Boost, ATL, WTL, COM, MFC - Windows API, DirectShow, DirectSound, Sockets, Completion Ports, OLEDB, TAPI, GDI - C#, Managed C++, ASP.NET, LINQ, ADO.NET Entity Framework, WPF, Compact Framework, Mono.NET, Monotouch, Xamarin - Appcelerator Platform, Titanium, PhoneGap - MS SQL Server, T-SQL, Oracle, MySQL, NoSQL, MongoDB - Cloud platfoms: Amazon Web Services ( AWS ), Microsoft Azure - Web technologies: REST and SOAP web services, JavaScript rich client libraries, HTML5, CSS3 Our competences: - business automation software - System utilities for MacOS, Windows and mobiles platforms - Information security, cryptography, steganography - client-server applications - Wireless 3G/4G, Bluetooth, WiFi applications - VoIP, voice codecs, data signal processing - Complex Web applications and portals (ASP.NET, PHP, REST web services, JavaScript rich clients)

    Groups: Application Developers Alliance

    Associated with: Adoriasoft

    $29.00 /hr
    15,302 hours
    4.90
  7. Jovan Pehcevski

    Jovan Pehcevski

    Researcher, Academic/technical writer, Data and Information Scientist

    Macedonia - Tests: 5 - Portfolio: 3

    As a PhD in Computer Science, I am an experienced researcher, academic writer and data and information scientist. Over the last 12 years I have gathered an extensive experience in practising and teaching the following computer science concepts: information retrieval, data mining, machine learning, database management systems using MySQL and Oracle, native XML databases using XML, DOM and SAX, web development techniques using (X)HMTL, DHTML, PHP, and MySQL, deploying web services and service oriented architectures, and tuning Apache web server for performance, security and caching. My core competency lies in academic research, data and information science, as well as writing, proofreading and editing of research papers and thesis of all academic levels. I am seeking opportunities to offer my rich professional and academic experience for the strategic growth and developmental needs of your business. My core research interests and strengths are as follows: - Focused information retrieval - Evaluation of focused and content-oriented XML retrieval - Entity retrieval and knowledge discovery - Data mining and big data analytics - Business intelligence and predictive analytics - Time-series data forecasting - Recommendation algorithms for social/news networking sites - Native XML databases, NoSQL and relational database systems - Web servers and web technologies - Web database applications and Internet programming - Web and enterprise security

    $66.67 /hr
    1,748 hours
    5.00
  8. Vadim K.

    Vadim K.

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

    Russia - 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
    1,089 hours
    4.93
  9. Tayyab T.

    Tayyab T. Agency Contractor

    Chief Technology Officer

    Pakistan - Tests: 2 - Portfolio: 2

    I have a MS(CS) from Stanford University with a specialisation in AI. My work at Stanford was concentrated around information retrieval, natural language processing and understanding. In addition, I am also interested in statistical data analysis and big data.

    Associated with: Red Buffer

    $33.33 /hr
    2,547 hours
    5.00
  10. Ali Gajani

    Ali Gajani

    Ali Gajani

    United Kingdom - Tests: 4 - Portfolio: 16

    *READ: Achieved Top 5% of oDesk Contractors badge: http://bit.ly/15jZOKT* Ali Gajani is: - Professional Blogger (Founder of Mr. Geek) http://www.mrgeek.me - Data Scientist Currently a PG at University College London - IT Professional Freelance and Industry - Programmer and Writer I am known for my craftsmanship in prose and code. - Passionate Geek, Entrepreneurial Mindset, Multiple Talents http://www.aligajani.com Who trusts me: - Worked with Sphero, Leap Motion and more I built Mr. Geek as a brand companies can trust. - Monitis Inc Worked for Monitis here on oDesk for 14 months. $25K contract - Large influence on social media Combined influencer network of 30,000 people from US/UK Interested? Contact me on oDesk and elsewhere. I am all over Google.

    $35.00 /hr
    1,122 hours
    4.03