Data Science Professionals & Consultants

Browse Data Science job posts for project examples or post your job on Upwork for free!

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 4.83.

4.83
Last updated: May 1, 2015

Popular Data Science Searches

More options
Clear all filters
  1. Anuj M.

    Anuj M.

    Quantitative Modeller and Forecaster, Statistician, Data Scientist.

    India - Last active: 3 days ago - Tests: 2

    I have been into the field of statistics for more than four years now. After my academic training in statistics, I have assisted professors and other independent researchers in implementing their models. I am also pursuing my own Ph.D. I have taught a couple of courses namely MuIti-dimensional Calculus and Environmental Statistics. My research work requires a very good knowledge of Computations, Mathematics and Finance. Hence, with the previous background in statistics and by current field of work, I am suitable for all of your analytic needs. Knowledge of topics: Statistics Time Series Analysis and forecasting Financial Econometrics High-Frequency Finance Classification and Regression (Neural networks, SVM, Decision trees,etc.) Skills: R, Matlab, SPSS, MINITAB, SYSTAT, ITSM, Python, C++.

    $50.00 /hr
    0 hours
    4.85
  2. Volodymyr Kostanda

    Volodymyr Kostanda Agency Contractor

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

    Ukraine - Last active: 9 days ago - 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 easy 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
    15,167 hours
    4.90
  3. Eugene Krevenets

    Eugene Krevenets Agency Contractor

    Full Stack Developer (Node.js/Angular.js/Mongo/Python)

    Montenegro - Last active: 1 day ago - Tests: 3 - Portfolio: 7

    Hello there, I'm full-stack developer, with a higher mathematical background. # My stack (mainly) * Front end: AngularJS, RequireJS, SASS, LESS, coffeescript, three.js, canvas, WebRTC, webgl, mobile, socket.io, phonegap; * Back end: Node.js, Python Django, Jinja2, flask, MongoDB, MySQL; * ENV: VBox, Vagrant, Docker; * Principles: TDD, BDD, SOLID; * Public services APIs: 4sq, Facebook, Google, Instagram, OpenStreepMap, Stripe.com, Twitter, UserVoice, YouTube and other; * Other: Mathematical model, AI; # Briefly about me: ## Social-net startup Now I was working on startup - Realaxy - its a 3d social net. Here is our widgets http://pressanykeytocreate.blogspot.com/2013/07/realaxy-in-closed-beta-under-cover-i.html. We have created a flash application with tons of 3d, heavy UI and strong interaction with the server REST API. ## Gamedev I was working in Gamezhero (http://www.gamezhero.com) studio as a developer and team leader for a more than five years. There I have developed tons of casual games and game frameworks. ## Pet projects ### Game engine Here is my javascript game engine main focus on complex, multilayered architecture for maximum flexibility of game objects: * DarlingJS - http://darlingjs.github.io ### Other projects http://hyzhak.github.com In free time research javascript for client side, also for server side (node.js). Developed some mobile application for Android and Blackberry Playbook. Also lead some tech-blogs: * http://pressanykeytocreate.blogspot.com (English version) * http://anykeytocreate.blogspot.com (Russian version)

    Associated with: jakijak

    $40.00 /hr
    2,723 hours
    4.70
  4. Ali Gajani

    Ali Gajani

    Ali Gajani

    United Kingdom - Last active: 05/30/2014 - 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
  5. Chris Davoren

    Chris Davoren

    Experienced writer, proofreader, web developer and software engineer.

    Australia - Last active: 01/27/2014 - Tests: 6 - Portfolio: 1

    I am currently a medical student on deferral from my studies. I have extensive experience writing, editing and proofreading both general and specialised works; this is a requirement for graduate entry into medicine here in Australia. I am currently deferred from my studies while taking care of family, and am looking to put my skills to good use while earning some money. I am dedicated, reliable and always available for communication regarding current or future work. I also have previous experience in software engineering and development, including paid work as a web developer on research projects at both Queensland University of Technology and University of Queensland.

    $10.00 /hr
    85 hours
    5.00
  6. Sailendra M.

    Sailendra M.

    Quantitative Analyst

    India - Last active: 2 months ago - Tests: 3

    I can offer you 5 years of experience prototyping algo/quantitative investment strategies for a London based hedge fund, excellent programming skills in C#, Matlab, R and VBA and a solid statistical foundation. Technical Skill: C#, Matlab, R, VBA, SQL Education: B.Tech, Indian Institute of Technology(IIT) Focus: • Statistical analysis, Quantitative Trading, Algo Trading, Indicator and Investment/Trading research and implementation Experience : • Strong work experience in quantitative analysis, Quant Financial model, algorithm and high frequency trading research. • Proficient in programming in C#, C++, Matlab, R and VBA and experienced in working with large and complex data sets. Services: • Assist you on your research activities • Back-test trading ideas/investment strategies on equities, futures, commodities, and derivatives for major markets • Prototype trading models from academic literature • Develop and implement trading ideas independently .• Prototype trading models

    $23.33 /hr
    21 hours
    4.69
  7. Nina Pettersson

    Nina Pettersson

    Translator and Scientific Writer (PhD)

    France - Last active: 2 months ago - Tests: 2 - Portfolio: 3

    PhD in Cell and Molecular Biology. Master in Biochemistry. University courses in Business Administration, Public Health, Clinical Trials and French. Experience in scientific writing consists of dissertation, several publications accepted in peer reviewed journals and successful grant applications. I get fast into any scientific topics and knows how to find appropriate scientific references. I am Swedish, living in France, talking English daily and can make accurate translations between French - English - Swedish. I am accurate and always deliver in time.

    $55.56 /hr
    18 hours
    4.68
  8. Jeffrey S.

    Jeffrey S.

    Data Scientist, Project Manager and Labview Developer

    United States - Last active: 3 months ago - 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
  9. James Wendelberger

    James Wendelberger

    Statistician and Mathematician

    United States - Last active: 06/14/2013 - Tests: 5 - Portfolio: 2

    Check out data4analysis. PhD in Statistics Minor in Mathematics PhD in Progress NanoScience and MicroSystems Masters in Statistics BS in Mathematics and Physics with Distinction 26 years as Director of Statistical Analysis Worked at General Motors Research Laboratory Taught at Oakland University Postdoc at UW Space Science and Engineering Center Very experienced in statistical consulting, research and programming. Selected Presentations: “Effectiveness of Automobile Salesperson Training,” 2 August 2012, Joint Statistical Meetings, San Diego, CA. “Estimation of Curvature: Large Data for Small Problems,” 6 June 2012, American Statistical Association Quality and Productivity Conference, CSU - Long Beach, CA. “Statistical Engineering as Practiced at Urban Science,” 31 July 2011, Joint Statistical Meetings, Miami Beach, FL. “Statistical Engineering as Practiced at Urban Science,” 29 April 2011, ASA Albuquerque Chapter Meeting, Hilton, Santa Fe, NM. “Determining Automotive Demand: Demographic or Registration Data?,” 02 August 2010, Joint Statistical Meetings, Vancouver, BC. “Daily Gasoline Prices, Stock Market Indices, Consumer Internet Hits, Automobile Incentives And Automobile Sales, For The Forecasting Of Future Month Automobile Model Demand,” 3 August 2009, Joint Statistical Meetings, Washington, D.C. “Finding Control Markets for Automotive Incentive Marketing Campaigns,” 6 August 2001, Joint Statistical Meetings, Atlanta, GA. Patent Applied For: “SYSTEM AND METHOD FOR DETERMINING A GROUPING OF SEGMENTS WITHIN A MARKET”, Serial No. 12/027,582, Filed February 7, 2008. Patent in Progress: “MINIMAL LANCING BLOOD GLUCOSE DETECTOR,” University of New Mexico Invention Disclosure Docket Number 2012-116, Joint with Patricia Langan, 2012. Professional Solution: Solver, Mathematics Magazine, Vol. 81, No. 3, June 2008, Problems Page 220, Number 1796. External Published Articles: 1. James G. Wendelberger (2012): “Effectiveness of Automobile Salesperson Training,” Proceedings of the Joint Meetings of the American Statistical Association, July, San Diego, CA. 2. James G. Wendelberger (2011): “Statistical Engineering as Practiced at Urban Science,” Proceedings of the Joint Meetings of the American Statistical Association, July, Miami Beach, FL. 3. James G. Wendelberger (2009): “Daily Gasoline Prices, Stock Market Indices, Consumer Internet Hits, Automobile Incentives and Automobile Sales, For the Forecasting Of Future Month Automobile Model Demand,” Proceedings of the Joint Meetings of the American Statistical Association, August, Washington D.C. 4. James G. Wendelberger (1998): “The Estimation of Rainfall Distribution for Emergency Response to Chernobyl Type Incidents Utilizing Multidimensional Smoothing Splines,” Journal of Geographic Information and Decision Analysis, Vol. 2, No. 2. 5. J. Wendelberger (1987a): “Surface Representation from Measurements: Paint Attribute Data,” Department of Mathematics, General Motors Research Laboratories Report. 6. J. Wendelberger (1987b): “Multiple Minima of the Generalized Cross-Validation Function: Paint Attribute Data,” Department of Mathematics, General Motors Research Laboratories Report. 7. John K. Antonio, James G. Wendelberger, Greg P. Matthews, William G. Trabold, and Mark H. Costin (1986): “Optiscan: The Use of Reflectometry for Detecting Quality Attributes of Basecoat Paint,” General Motors Research Laboratories, Warren, MI, Research Report No. ET-426/MA-357, Dec., 31 pages. 8. James G. Wendelberger and Michael A. Wincek (1986): “The Selection of a Statistical Data Analysis Computing Environment for an Industrial Research Laboratory,” Computer Science and Statistics: Proceedings of the 18th Symposium on the Interface, American Statistical Association, Washington, D.C. 9. James G. Wendelberger et al (1982): “Improving Statistical Consulting Services,” Proceedings of the Wisconsin Workshop on Consulting Intern Programs in Statistics, University of Wisconsin, Nov. 11-13, pp. 131-137. 10. James G. Wendelberger (1982): “Smoothing Noisy Data with Multidimensional Splines and Generalized Cross Validation,” Ph.D. Thesis, Department of Statistics, University of Wisconsin, 336pp. 11. James G. Wendelberger (1982): “Estimation of Divergence and Vorticity using Multidimensional Smoothing Splines,” Proceedings of the NASA Workshop on Density Estimation and Function Smoothing, Department of Mathematics, Texas A&M University, pp. 386-406. 12. James G. Wendelberger (1981): “The Computation of Laplacian Smoothing Splines with Examples,” Tech. Report No. 648, Department of Statistics, University of Wisconsin. 13. Grace Wahba and Wendelberger, James G. (1980): “Some New Mathematical Methods for Variational Objective Analysis Using Splines and Generalized Cross Validation,” Monthly Weather Review, Volume 108, 8, 1122-1143.

    $266.67 /hr
    0 hours
    4.88