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

Upwork Data Science Jobs Completed Quarterly

On average, 38 Data Science projects are completed every quarter on Upwork.


Time to Complete Upwork Data Science Jobs

Time needed to complete a Data Science project on Upwork.

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Data Science Upwork freelancers typically receive a client rating of 4.85.

Last updated: October 1, 2015

Popular Data Science Searches

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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

99% Job Success
$30.00 /hr
3,555 hours

Igor P.

Igor P. Agency Contractor

Expert Software Developer/Data Scientist

Russia - Tests: 7 - Portfolio: 12

Expert C++/Python/Node.JS Developer and Data Scientist with 12+ years of experience and Master's Degree in Computer Science. Over 12 years of Igor P. 's work experience he has been acting in a wide range of roles, such as Senior Software Engineer, Statistician and Team Lead. Igor's core interest and competency is technical problem-solving. He has developed (working in a team or as a Team Lead) a number of software products, primarily network applications, system services, middleware services, data processing systems, hardware management systems, real-time systems, network protocol implementations. He is looking for opportunities to work on technically complex software projects, requiring deep understanding of software technologies. Igor has experience in C++, Python, Node.JS, JavaScript, Java, C#, Bigdata, Machine Learning, Middleware, System Software, Web Applications, High-performance Network Servers, Distributed Data Processing Systems, and Algorithms.

Groups: Upwork Verified Developers

Associated with: Mediterra

97% Job Success
$36.00 /hr
5,647 hours

Scott S. McGeary

Scott S. McGeary

BI/Reporting Data Architect

United States - Tests: 2 - Portfolio: 4

With 16 years of experience in the public and private sector, I bring a vast spectrum of experience from many platforms and technologies. I started my career doing web development for several years and migrated into data warehousing, reporting, data management, data automation, and pretty much anything you can think of that deals with data. The Microsoft SQL Server BI Stack is my wheelhouse, but I use many other tools beyond SSIS and SSRS, such as Tableau and Crystal Reports. I enjoy solving extremely complex data issues with my skill set. My passion is making data "work" for my clients. I still do a bit of web development for clients and am very proficient in Classic ASP web apps. Let's talk about your project and see if I am a good fit!

100% Job Success
$45.00 /hr
72 hours

Rowan V.

Rowan V.

Data Scientist, Data Developer, Visualization

United States - 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, JavaScript, 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

$80.00 /hr
9 hours

Sumit Kumar Roy

Sumit Kumar Roy Agency Contractor

Data Warehousing,Business Intelligence and Big Data Scientist

India - Tests: 2 - Portfolio: 2

Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter with effective customer-service skills and demonstrated ability to manage technical aspects and per-sales projects, architect tailor-made customer solutions, build relationships, communicate solution strategy and product offerings, and provide technical expertise, support, and training to sales and customers. For over seven years, career focus has been centered on Business Intelligence and Data Warehouse system design, development and deployment. The application of extensive experience across multiple DBMS' and platforms has provided a strong aptitude for multidimensional data base design coupled with robust operational architectures. Have 8 years’ experience in BI Data analysis and generation of complex Analytical/Statistical report for Finance/Marketing/Supply Chain Management.

Associated with: Octocube Consulting

$38.89 /hr
353 hours

Vineeth Mohan

Vineeth Mohan

Data scientist

India - Tests: 1

Auther of the book Elasticsearch blueprints - Elasticsearch certified trainer who have conducted trainer for number of MNC’s like microsoft , flipkart , cisco and philips Live project – Stackoverflow - Stackoverflow Careers - Linkedin - Github - Career (Experience –75 years) • Architect/Data scientist at Algotree Research private limited (June 2011 to Present) • Software Engineer at Yahoo! India (March 2009 – May 2011) • Internship as Service engineer at Yahoo!India (May 2008 – to February 2009) Career highlights and honors received ● End to end design and management of Newsmills from inception to completion. ● Knowledge acquisition and adoption of various open source tools and technologies ( Mahout , Elasticsearch , Opengamma , cleo , Rstudio-server , D3 js , Twitter Bootstrap) to meet the requirements of the management. ● Spot bonus award at yahoo ● Various appreciation awards from coworkers – yahoo ● Chairman of MACS(Model engineering college association of computer science students) – 2008 , various inter collage technical competition awards at collage. Behavioral Competencies ● Clear in-depth conceptual clarity on the subject along with knowledge gathering skills. ● Self-motivated and can work with less or no management. ● Passion to adopt the best suited technology and attain the best performance. ● Clearly sets the boundary between code quality and business deliverables. Technical Skills ● Languages: ● Application level languages – Java ● Machine learning tool – Mahout ● Statistical languages - R ● Scripting – Perl, Shell , Awk , Sed ● Web technologies – HTML,Javascript ,CSS , jQuery , Bootstrap. ● Expert in Technology and Tools : Elasticsearch , Lucene , Opengamma , Cleo. ● Systems: Unix Operating System (LINUX – Ubuntu , Debian , Red Hat) ● Strong computer fundamentals in Data Structures and Algorithms, automata languages and computation.

50% Job Success
$34.00 /hr
95 hours

Martin B.

Martin B.

Data Scientist

Argentina - Tests: 1 - Portfolio: 5

For the last three years, I took part in large projects for companies such as Telefonica and involving diverse data science task such as: - Designing predictive models to predict churn, the propensity of clients purchasing certain products and text mining applications. - I have also experience in designing algorithms to optimize the expenditure in google adwords for large accounts. I hold a BSc in Economics and a MSc in Data mining, both from the University of Buenos Aires. I have also taken several online courses in order to learn programming, machine learning, convex optimization among other topics. Regarding programming, I'm comfortable using R, python, SAS and SQL for statistical modelling and data manipulation.

74% Job Success
$38.00 /hr
328 hours

Alejandro Naser Pastoriza

Alejandro Naser Pastoriza Agency Contractor

Software Developer

Argentina - Tests: 4

- Computer Scientist: Bachelor's degree (GPA %99.4), finishing Master's (GPA: 99%) thesis on Data Managment, "Adaptive Cache Managment for Arbitrary SQL Workloads". - Full-stack Ruby/Python Developer. - Diving into Data Science. - Experience in research & development, both in the software industry and in the academic world (Summer @ EPFL Data Intensive Systems and Applications Laboratory). I enjoy bringing the best of both worlds to combine cutting-edge theory and technology to come up with a solution for real-world problems. - Interested in Data Managment, Information Retrieval, Data Analysis & Visualization, Machine Learning, Natural Language Processing, Web Scraping, Web Development and Research papers implementation. - Familiar with: * Python, Django, Flask, Scrapy, numpy, scipy, pandas, scikit-learn, NLTK, matplotlib, ipython-notebook, bokeh, gensim. * Ruby, SciRuby, Rails, Rspec, Cucumber, Devise, MiniTest, Test Unit, HAML, ERB, Slim, Capybara, I18n, Sidekiq, Nokogiri, Will Paginate, Paperclip, Shoulda, FactoryGirl, OmniAuth, Bundler, Capistrano. * HTML/CSS, Javascript, CoffeeScript, jQuery. * MySQL, postgreSQL, redis, mongodb.

Associated with: Cordatazo

95% Job Success
$22.22 /hr
460 hours

Rob Chambers

Rob Chambers

Python expert and scientific software architect

United States - Tests: 2

I'm a highly trained, expert engineer with excellent academic and industrial credentials. American, native English speaker. My degrees are in Mechanical Engineering, but I've found that my true love is software development. I love working on teams with other passionate and technically savvy people, but I have plenty of experience in management and report-writing. I am currently in the midst of long-term world travel, so I'm looking for quarter- to half-time freelancing work. I can work sporadically and long-term, but I can also settle down temporarily and put in very heavy hours when needed. I'm an expert Python programmer (5+ years experience) and I have several years combined experience in other languages as well (HTML/JS/CSS, MATLAB, C/C++). I am a full stack developer, with experience administering on-site and cloud servers, writing server-side and client-side software, developing complex and parallelized data processing algorithms, and implementing web- and desktop-based UIs. I have worked on many small projects where I am the sole developer, but I have also led 5-10 person teams to develop larger systems. As a mechanical engineer turned software developer, I have a special interest in working at the intersection of software with math, science, and engineering. Fields of interest: Biology, numerical simulation, algorithms, software development. Particular competencies: Taking ownership of solutions from conception to delivery... problem specification, algorithm development, software implementation, testing, and distribution. Skills/tools Python (including Numpy, Scipy, Pandas, Scikit-Learn, Cython, SQLAlchemy, Enthought Traits, Anaconda, IPython Notebooks, etc.). Web and Hybrid Mobile App development (HTML/JS/CSS; AngularJS; Cordova, Ionic), MATLAB (including many toolboxes). Experience building and administering Amazon Web Services (AWS) systems. Comfortable with Windows, OS X, and Linux.

$75.00 /hr
13 hours