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, 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

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  1. Jovan Pehcevski

    Jovan Pehcevski

    Researcher, Academic/technical writer, Data and Information Scientist

    Macedonia - Last active: 2 days ago - 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
    1,640 hours
    5.00
  2. Aldrin L.

    Aldrin L.

    Architect, Backend Engineer (Scala, Java, Hadoop)

    Brazil - Last active: 8 days ago - Tests: 12 - Portfolio: 1

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

    Groups: LoginRadius, Microsoft Certified Professionals

    $55.56 /hr
    3,102 hours
    4.82
  3. David Mestre

    David Mestre Agency Contractor

    Python, Web Scraping, Data Analysis, Data Science, Translation

    Spain - Last active: 1 day ago - Tests: 10

    - 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, matplotlib, pandas, ggplot, numpy, csv, re, json, urllib, urllib2, socket, httplib, sklearn, BeautifulSoup, selenium, requests, lxml, xml, sys, so, subprocess - IDEs: iPython notebook, Komodo Furthermore, I am specialized in editing scientific and technical texts and proficient in American and British English. I'm a native Portuguese speaker living in Spain since 2008, I can offer you translations from English to Portuguese or Spanish at a reasonable price. Whether you need to translate a casual or formal text I can provide you with a prompt and culturally sensitive translation.

    Associated with: TalkDocs Pro Agency

    $33.33 /hr
    854 hours
    4.96
  4. Rowan V.

    Rowan V.

    Data Scientist

    United States - Last active: 04/09/2014 - Tests: 6

    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. 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 .

    $170.00 /hr
    9 hours
    5.00
  5. Andrew Bruce

    Andrew Bruce

    Expert market researcher with sales experience

    United States - Last active: 9 days ago - Tests: 7 - Portfolio: 1

    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
  6. 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
  7. 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
  8. 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
  9. 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
  10. Symeon Papadopoulos

    Symeon Papadopoulos

    Research & Technology Consultant

    Greece - Last active: 4 months ago - Tests: 3

    I am intrigued by complex business challenges, yet at the same time I enjoy tackling specific technical problems. My main interests are in conducting online research in order to map new knowledge terrains and discover new trends. I have a strong background in computer engineering, web mining, and technical writing. I have authored numerous scientific articles in established peer-reviewed conferences and journals and have successfully managed large research project proposals. I am keen on exploring unique thought avenues and new opportunities for disruption.

    $40.00 /hr
    0 hours
    5.00