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: June 1, 2015

Popular Data Science Searches

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  1. Rowan V.

    Rowan V.

    Data Scientist

    United States - Last active: 1 day ago - Tests: 7

    I am passionate about quantitative investigative methods and data analysis. I have experience utilizing a variety of methodologies and tools, including R, Python, and Tableau in order to answer data-related questions. Currently @Twitter, formerly at Spartz, Inter-American Development Bank, and Cambridge Energy Labs. I have a B.S. from MIT, and have a strong background in experimental design, statistical analysis, data visualization, and machine learning techniques. With over 10 years of programming experience and a strong statistical background, I can help you make sense of your data. I am able to provide writing and coding samples of my past work, for a few of my past projects, please check out https://github.com/rowanv .

    $80.00 /hr
    9 hours
    5.00
  2. Rehan ali S.

    Rehan ali S. Agency Contractor

    Management Consultant and Professional Trainer (PE, PMP)

    Pakistan - Last active: 1 day ago - Tests: 7 - Portfolio: 13

    MANAGEMENT SYSTEMS DESIGN AND IMPROVEMENT CONSULTANT - Lean Management - Systems Design (Business Intelligence, Database, MSExcel/Access) - Project Management (PMP Exam prep, Training) - Mechanical engineering Desing, development and manufacturing - Architecture: Design and planning: 2D and 3D We have a team of professionals who are experts in their disciplines. Excellent quality and response is guaranteed.

    Associated with: EDDS Consulting

    $30.00 /hr
    80 hours
    4.80
  3. Shweta Gupta

    Shweta Gupta

    Machine Learning R Hadoop Data Science Predictive Modelling Expert

    India - Last active: 25 days ago - Tests: 1

    I have worked in India's leading e-commerce company as Senior Research Engineer(Data Scientist).I have 4 years experience in Machine Learning,Data analytics,Data mining,Information Extraction,Social Network analysis, predictive modelling,statistical analysis,R,Weka,Hadoop,MATLAB,python. I have also worked as Research Associate at IIT (Indian Institute of Technology) for a year.I have published research papers in internationals journals and conferenes of repute like IEEE Xplore.I am looking for good quality projects in the above domains.

    $40.00 /hr
    0 hours
    5.00
  4. Habet Madoyan

    Habet Madoyan

    Armenia - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I have about 8 years of working experience in conducting statistical analysis. I have Ph.d From National Academy of Science of Armenia and MBA from University of Missouri-Columbia. My core advantage is that i have experience in both practical business and statistical analysis. I know what statistical method is appropriate for different business issues. From my experiences i also learned how to properly communicate findings of statistical analysis to the "non-statistical" audience I have done statistical analysis in market research, to support different government policies, etc. I am SPSS Level I certified specialist. I am competent in Microsoft Excel modeling, in SAS programming and using T-SQL for business analysis.

    $25.00 /hr
    37 hours
    4.99
  5. Vadim K.

    Vadim K.

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

    Russia - Last active: 1 day ago - Tests: 8

    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
    760 hours
    4.93
  6. Alex Vasilkevich

    Alex Vasilkevich

    Chemistry expert. Research, RU-EN-RU translations, Technical Writing

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

    Hello! My name is Alex and I am 26, native russian speaker, chemistry expert. Current job: senior researcher at Institute of Bioorganic Chemistry. I am looking forward to new experience and challenging tasks, specialising on technical translations and scientific research. You may find my past experience in research and translations in the bottom of my profile. I would like to offer you translation/proofreading/writing for most of the scientific and technical subjects (primarly chemical). For most of the work days I have at least 5 free hours and 12 hours for weekend. Easily accessible via mail/skype/viber at any time. Why choose me? 1. Chemistry and biochemistry expert 2. Research experience 3. Translation RU-EN-RU 4. Pharmacopeia knowlelge 5. Writing scientific articles (5 publications in Russian already prepared and published in local scientific journals, 3 conference posters presented in English). 6. PC knowledge background (AutoCAD, MS Office including Visio, most of chemical software) 7. Native Belarusian speaker Travelling and meeting new people is my passion. The other hobbies include sports and music. Thank you for visiting my profile. Let's work together.

    Groups: oTranslators

    $12.00 /hr
    32 hours
    4.99
  7. Tom L.

    Tom L.

    Data scientist, Python, R Programmer

    Canada - Last active: 18 days ago - Tests: 9 - Portfolio: 2

    Over the last 12 years, I worked as research assistant/associate in data analysis. I developed algorithms in processing and performing statistical analysis using R, Perl, Java. I am proficient in various Microsoft Office Applications especially MS Excel, MS Word, and MS Powerpoint. I have strong oral and written communication skills. I am a strong self-starter and able to work well independently. I am hardworking and can work effectively as fast as I can.

    $27.00 /hr
    32 hours
    5.00
  8. Andrew Bruce

    Andrew Bruce

    Expert market researcher with sales experience

    United States - Last active: 20 days ago - Tests: 7

    Specialize in: Generation-Y Interests Investigative Reporting Tech Education and Consulting Research Business Planning / Strategic Design Marketing I am a graduate of Ithaca College, a small liberal arts institution in Ithaca, NY. I hold a Bachelor of Science in Applied Psychology (Concentration in Forensic Psychology) and a minor in Legal Studies. As an undergraduate I was able to study a wide range of topics and great length due to the flexibility and personal attentiveness of the college. My major program focused on bridging the gap between the principles of psychology and the business world. Major topics of study included how to design business for optimal internal efficiency, how to most effectively reach target markets, and most effective styles and mediums of marketing communication. I have an immense amount of experience with the statistical program SPSS, and am skilled at interpreting, designing, and calculating business essential statistics. Furthermore, I pursued a minor in legal studies, and plan on pursing a career in the entertainment law field. I have an immense interest in intellectual property law, contract formation, and representative services. I am studying for the LSAT and plan to take the test in June of 2014; law school will follow. I am a tech junkie and have an enormous amount of experience in this department. If I do not have an answer for your tech related questions outright, I guarantee that I can find it. Thank you for you're consideration, please feel free to view my LinkedIn profile for more information; feel free to contact me with any questions. I offer sample employment services free of charge - 5 hours max.

    $25.00 /hr
    17 hours
    5.00
  9. Conor D.

    Conor D.

    Highly experienced data scientist

    Ireland - Last active: 1 day ago - Tests: 6 - Portfolio: 4

    I am an experienced data scientist with experience in various predictive methods and text analysis tools. I also have qualifications in Financial Analysis and visualizations. We work on gathering data, creating models and extracting insight to help you make better decisions. Experience with Python, R and AWS using cutting edge techniques and methods, we strive to simplify our analysis to enable anyone to harness to power modern data science techniques

    $50.00 /hr
    23 hours
    5.00
  10. HaWook Song

    HaWook Song

    Data Scientist

    United States - Last active: 9 days ago - Tests: 2 - Portfolio: 8

    I am a data scientist/analyst. My primary tool is R, which I use extensively in conjunction with Python, MySQL, PostgreSQL, NoSQL (e.g. MongoDB), and Linux commands. This is my blog: feelosophy13.github.io. What I do in general: - Data visualization (e.g. interactive dashboards) - Report automation - Machine learning and modeling - Data extraction, cleaning, feature selection, and preprocessing - Data mining and aggregation - API integration Prediction modeling: - Multivariate linear and logistic regression - Classification and regression trees (i.e. decision trees) - Linear and quadratic discriminant analysis (LDA and QDA) - Random forest and variable selection Clustering and segmentation: - Data normalization - Hierarchical and k-means clustering Visualization: - Visualizations via ‘ggplot2’, 'googleVis', and 'rCharts' packages - Interactive dashboard/application using 'shiny' package - Maps visualization

    $40.00 /hr
    208 hours
    5.00