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, 30 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.

Average Data Science Freelancer Feedback Score

Data Science Upwork freelancers typically receive a client rating of 4.86.

Last updated: September 1, 2015

Popular Data Science Searches

Clear all filters
  1. Rowan V.

    Rowan V.

    Data Scientist

    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, 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
  2. Alan Vayda

    Alan Vayda

    Data Scientist

    United States - Tests: 1

    I am an experienced data scientist with a background in artificial intelligence and robot vision. I also do software development for complex scientific applications and algorithm development using artificial intelligence, pattern recognition, image processing, statistics, and advanced mathematics techniques. I primarily work in R, Perl, and Python. Have also worked in Lisp, Prolog, C, C++, Java, and Fortran. My experience includes related database design and integration for large complex datasets. In addition to independent work, I also manage software development teams. I also have an additional specialty in assisting customers with the development of government proposals. Responsibilities include storyboarding, organizing, writing, editing, formatting, graphics, project planning, budgeting, forms, and proposal team management. Customers vary in size from startups to Fortune 500 companies and proposal scale varies from SBIRs under $100K to over $100M. Experience with funding agencies including: Army, Air Force, DARPA, DOD, DOE, DOT, Transportation Research Board of the National Research Council, NIST, and USPS. Employment: 6 years as an independent consultant Soar Technology (Small Company) NovoDynamics, Inc. (Startup) Environmental Research Institute of Michigan (Non-Profit Research Institute) Education: Ph.D. Electrical Engineering - Purdue University M.S. Electrical Engineering - Pennsylvania State University B.S. Engineering Science - Pennsylvania State University

    $150.00 /hr
    0 hours
  3. 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. Ataollah Etemadi

    Ataollah Etemadi

    Project Management and Big Data Guru

    United States - Tests: 1

    30+ years experience in project management and Big Data. After obtaining my PhD when I turned 24, I started working as a space scientist on high-profile NASA, ESA and IKI missions. Later in my career, my work involved management of large-scale multinationals teams as well as much smaller dedicated teams. I was the software engineer for the multi-billion dollar Infrared Space Observatory and Cluster missions. My background also includes Computer Vision and Artificial Intelligence research. I am deeply familiar with project management and the analysis of Big Data especially time-series. I have also published a number of scientific papers on space science and pattern recognition. On oDesk I have been managing teams of software developers and delivering results since almost it's inception. As of this article I am number two on oDesk for the Test for Independent Contractors and Staffing Managers where I was number one for some years. My core expertise and true passion is project-management especially when dealing with software or Big Data. My private time is spent as the president of the Austin Inventors and Entrepreneurs Association and in producing and hosting two TV talk shows.

    $300.00 /hr
    0 hours
  5. Mechelle gay M.

    Mechelle gay M.

    Chemist, Chemistry Instructor

    Philippines - Tests: 1 - Portfolio: 2

    I am a chemist with a graduate degree in Chemistry I taught Chemistry both lecture and lab courses in college level and I'm interested in doing technical and scientific research especially with something that has to do with chemistry, biochemistry, organic chemistry, synthesis and modern materials. I am also interested with writing research and business proposal related to chemistry and sciences.

    $11.11 /hr
    122 hours
  6. Eric Watson

    Eric Watson

    I like startups, data, and python

    United States

    I'm a startup guy. I do a little bit of everything in both my own companies and ones I help: from building products, to data science in python, to online marketing, to project management. I have 5 years of experience in the startup world professionally. On the technical side, I specialize in working with new projects to solve mission critical problems using data analysis, visualization, algorithm design and machine learning. I also use my experience launching and growing close to a dozen products to implement online marketing, Wordpress development, and startup consulting. I have a strong work ethic and enjoy diving head first into difficult problems! I live and work in San Francisco, CA and have a Masters Degree in Aerospace Engineering from Cal Poly, San Luis Obispo. I pull from a rich background in multiple industries from web & mobile startups to aerospace. I am very competent on the technical side in: 1. Data scraping & wrangling 2. Descriptive analysis 3. Inferential & predictive analysis 4. Data visualization 5. Pattern recognition & regression 6. Image processing 7. Dynamics & time series analysis 8. System design and modeling 9. Machine learning 10. Most things Python And on the implementation side, I'm skilled in: 1. Business strategy 2. Business plan development 3. Project management (I enjoy working with teams of developers to get things done efficiently!) 4. SEO (On page and off page) 5. Adwords and SEM 6. A/B testing to optimize websites 7. Wordpress setup, management, and customization One of my favorite things to do is work with a small team to help solve their biggest problems whether that's with a Python script or an Adwords campaign! I’ve my leadership and communication skills to successfully lead teams to accomplish multi-million dollar projects. Not only am I capable of guiding teams and working with customer requirements at a project level, I enjoy it! If I can help you out on an interesting project, please send me a message. Have a great day, Eric

    $55.00 /hr
    1 hours


    OCR expert, Image Processing

    China - Portfolio: 13

    I LOVE OCR/IMAGE PROCESSING/ANDROID/IPHONE. I have been studying OCR for over 8 years since I entered university. And I developed Image Processing engines running on Android and iPhone. Android and iPhone mobile apps are also my favorite skills. I'll always be online and work with you forever.

    $33.00 /hr
    36 hours
  8. Divyank S.

    Software Programmer

    India - Tests: 5 - Portfolio: 4

    Divyank Shukla Email: Phone:- +919049990027 Summary:  Conceptualized, Designed and Coded Replication Software in 45 days for Linux Platform. Managed a team of 8 Engineers of less than 3 years exp.  Specializes in Delivering Products in SAN using the Device Model.  A well rounded systems engineer (exp around 12+ years) with specialization in I/O path management, Memory Management and Process management, both at host and storage controller’s end.  Specializes in building teams from scratch.  Providing Product’s Architectural Roadmap and reducing the Time-To-Market for the Product. Current Assignment: Writing Host Based Replicator for Migration and Replication use case, eBDR for Perpetuuiti, an Intel Based Startup. Most Recent Assignments: My role is to  Head the R&D Dept, build a team for the Dept from scratch. Linux/Aix/Solaris/Windows.  Perform Requirements Analysis, Design & Code the product for Enterprise quality which is easier to maintain, RAS & FTDC. Professional Experience: Perpetuuiti India Pvt Limited Tenure (2014-Present) Products: eBDR, an enterprise level Asynchronous Block Replicator. Role: Gather requirements, Design, and Code for critical modules of the Product. Present Roadmap to the Stake Holders. Developed the Product in less than 45 days. eBLC, an enterprise Block Level Cache. In Prototype phase. Role: Gather requirements, Design, and Code for critical modules of the Product. Present Roadmap to the Stake Holders. eBCD, an enterprise Business Continuity Device in SAN. In Prototype Phase. Role: Gather requirements, Design, and Code for critical modules of the Product. Present Roadmap to the Stake Holders. IBM India Pvt Limited Tenure (2014-2008) Projects: Oct 08 – March 2014 IBM India Pvt Ltd (ISL Storage Division) The product is an extent virtualization tool typically used in SAN environments. The product is well known fault tolerant clustering s/w that follows PAXOS architecture design. My role has been to lead the design, develop and unit test these project technically, in SVC. It was all hands on project. Offload Data Support for SVC: Language: C/C++, Multi-threaded, TCP sockets, Perl Libraries: STL Platform: Linux, Storage, Microsoft This is a project that off load data transfer to the storage controller. The project is about managing ROD token and Third party copy in an complex SAN environments and use cases. SVC Performance Enhancements for iSCSI: Language: C/C++, Multi-threaded, TCP sockets, Perl Libraries: STL, Boost Platform: Linux This is a project that ensured the product would be fit for cloud solutions ensuring every component is scalable and highly perform ant. We achieved 200% performance enhancement in cloud operations. VAAI support for SVC: Language: C/C++, Multi-threaded, TCP sockets, Perl Libraries: STL, Boost Platform: Linux This is a project to add the VAAI to the Host layer on the SVC box. This includes Compare and Write support of SCSI commands. SVC 10G Enhancement: Language: C/C++, Multi-threaded, TCP sockets, Perl Libraries: STL, Boost Platform: Linux ISCSI target attachment: Language:C/C++, Multi-threaded, TCP sockets, perl Libraries: STL,Boost Platform: Linux The only transport that SAN SVC supported was FC. We added the iscsi support to the existing SAN SVC product. My role was to  Write a module that ensures Fault tolerance between the nodes in the cluster. Write a kernel component that acts on top of the tcp layer for session management. Integrated the components that ensure compatibility to vmware hosts. Credit Suisse April 2007 to Oct 2007 via eBusinessware Projects: April 07 – Oct 07 with Credit Suisse via Ebusinessware : I have enhanced the Storm Framework to use XiDpl libs for Credit Derivatives Research dept of Credit Suisse.  Credit Derivatives Middleware: Language: C++, Perl, Tcl/Tk, Solaris 2.8, Sybase, XML DOM interface, STL PlatForm: Solaris Veritas 2004 to 2006 Projects:  June’04 – March'06: Veritas India Pvt Ltd (VM group) Software Engineer and Developed kernel modules or user libraries for Vendor Specific Arrays to co-exist with Veritas Volume Manager also Developed Dump capabilities in Vertias Virtual Device in AIX.  Kernel Extension in AIX (SAN): Language/Technology: C++, VxVM kernel Domain in System Storage Softwares, TED. Duration: 12 months. Team Size: 4 Role: Team Lead Description: Develop Kernel Modules/Threads for NetApp Arrays  Volume Management (SAN): Duration: 2 months. Team Size: 4 Date of Birth : 24 Oct 1977. Address for communication: D-2 , Spacia, Opp MyCar Maruti Showroom, Near Old Police Chowky Wakad, Pune 411057. E-mail : Phone No. : 9049990027 (R): Passport Nos : A6884671

    $14.00 /hr
    0 hours
  9. Kiruthika C.

    Kiruthika C.

    Curriculum developer | STEM Educator | Data Analytics | Writing

    Singapore - Tests: 3 - Portfolio: 1

    Over the last 2 years, I have developed a wide range of curriculum for K-12 classes in STEM topics. I have also worked widely with STEM enthusiasts and Makers from the community and developed and organized several family STEM workshops. I have also run several volunteer and facilitator training programmes. My core competence lies in the development of activities and training of facilitators. I also have a background in IT and computer Science and have experience in developing programming curriculum for schools and kindergartens.

    $25.00 /hr
    1 hours