Data Mining Experts & Data Analysts

Get Your Data Mining Project Started Today!

Post your data mining project on Upwork and find experienced data mining consultants and analysts. These professionals have in-depth knowledge of various data mining algorithms and techniques, as well as data mining software (like WEKA, Oracle, Orange) and can be involved in all aspects of data mining, from web mining and search engines to machine learning and business intelligence. These specialists can develop data mining programs to analyze stock markets and other large datasets to discover patterns and perform predictive analysis, or use custom data mining applications—using new or existing algorithms (clustering, association, anomaly detection) and known representations (Wavelet transform, Gaussian processes)—for ECG data analysis purposes.

Data mining is the practice of processing large-scale datasets to discover patterns and generate new information. On Upwork, the world’s largest online workplace, you will find skilled software developers and data miners to develop applications for scraping large data from servers, databases, websites, directories or wikis and then analyzing and extracting the required data in databases or CSV, XLS and ACCDB files.

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

Data mining Job Cost Overview

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

Upwork Data mining Jobs Completed Quarterly

On average, 1,219 Data mining projects are completed every quarter on Upwork.

1,219

Time to Complete Upwork Data mining Jobs

Time needed to complete a Data mining project on Upwork.

Average Data mining Freelancer Feedback Score

Data mining Upwork freelancers typically receive a client rating of 4.67.

4.67
Last updated: May 1, 2015
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  1. Aliaksei T.

    Aliaksei T. Agency Contractor

    Web Programming, Data Mining, Analytics

    Lithuania - Last active: 10/21/2013 - Tests: 1 - Portfolio: 2

    Expertise in web development, data mining, and statistical analysis with more than a decade of experience in the industry. We did data analysis for a number of researches that were covered by major news agencies and blogs like TechCrunch, The Huffington Post, Wired, Daily Mail, etc. Worked closely with reporters to get coverage. Developing responsive websites and interactive web applications for companies and startups. Technologies: PHP, Wordpress, Javascript, jQuery, MySQL, Node.js

    Associated with: UAB IVL

    $45.00 /hr
    548 hours
    5.00
  2. Shivam Semwal

    Shivam Semwal

    Web Scraping Expert, Web Automation, Data Mining, Java Desktop Apps

    India - Last active: 2 days ago - Tests: 11 - Portfolio: 3

    * Cheapest, fastest bulk scraping starting at $3/hr, upto 200k pages per day. * Top rated web scraper on upwork. * Contact me for long term automated web scraping tasks * Web automation, Bots Development, Selenium, Imacro * Data mining, processing, filtering, conversion * Multi-threaded web automation using multiple IPs, proxies, VPNs, captcha solvers * Cross Platform Desktop Apps development

    $10.00 /hr
    1,184 hours
    4.87
  3. Irene P.

    Irene P.

    Lead Generation / Data Mining / VA / Customer Support Emails

    Philippines - Last active: 2 days ago - Tests: 6 - Portfolio: 14

    Since I first started here on oDesk, I have satisfied clients with my skills in Publicly Traded Company Research, Data Mining, VA work, List Generation and LinkedIn. I have done several jobs prior to my abilities. I have an ability to perform multiple tasks effectively and efficiently. I always make sure to give 100% quality and commitment to my work. I am confident that I could be a valuable asset to your company and I can easily adapt to all sorts of environments and requests and most of all, I like my job and I do it well because its not all about the money, its about building a good reputation, getting experience, helping others and enjoying life.

    $5.56 /hr
    8,627 hours
    4.81
  4. Laxmi N.

    Laxmi N. Agency Contractor

    7 years of experience in Python, Django, HTML, scrapping, data mining

    India - Last active: 20 hours ago - Tests: 7 - Portfolio: 5

    Hi, 7+ years of experience in IT industry, 5+ Years Python 4+ Years Django My other technical expertise are, • Javascript • Django REST framework • Scrapy • GAE • GIT • Pinex • MySQL • HTML • UBUNTU On python itself I have worked on different kind of projects like • Scrapping the data by using urllib, urllib2, mechanize, beautifulsoup, CSV, re and many more libraries • Developed web application on Django framework • Automation script to maintain the database for getting data from LDAP • Database maintain scripts by using MySQLDB, cx_oracle • Migrated Django site to apache server by using WSGI These are some of the applications on which i have i have worked on, https://etp.fireeyecloud.com https://www.rowapparel.com/ http://www.healthline24x7.com/ http://travelingtommyandtammy.com/ I am a versatile software developer, whatever technology given to me I have done it, I am an expert to scrapping the data from the sites but I can do any task which is given to me, I am a hard worker with fast learning capability. I am team player; I have started my carrier as a trainee lowest label in the team, now I am a senior engineer, so I have experience of how to deal in team work as a team player. I appreciated thrice by Google senior manager and got appreciations awards. Thanks & Regards Satyandra Babu

    Associated with: Omni Network Plus Agency

    $25.00 /hr
    1,056 hours
    4.98
  5. Basem Elmogy

    Basem Elmogy

    Desktop, Web, Database, and Data Mining Senior Developer

    Egypt - Last active: 4 days ago - Tests: 7 - Portfolio: 6

    In my career I developed under Linux, Windows, and Android, I developed using various programming languages like C++, Java, C#, PHP, and Python and I worked with SQL Server, MySQL, Firebird, SQLite, and Access databases. I also developed with Qt SDK. I have also powerful knowledge in various XML related technologies including XPath, XSLT, and XQuery. I have developed various scraping applications and scripts using Java, C#, and Python, and I have developed 3D applications using VTK and Qt, and image processing and recognition applications using Matlab and OpenCV, and I have developed numerous database applications like a library management system. I like to learn new languages and technologies and I always looking forward to enhance my programming skills and my algorithmic capabilities.

    $50.00 /hr
    5,466 hours
    4.13
  6. Pasqualino Ferrentino

    Pasqualino Ferrentino

    Machine learning, pattern recognition, image analysis, sys developer

    Italy - Last active: 20 hours ago - Tests: 17 - Portfolio: 1

    I am a computer scientist whose main skills are in the field of data analysis, pattern recognition, statistical software, machine learning and large scale system design and integration. I have developed systems using Neural Networks, Markov chains, Support Vector Machines in various applications: OCR, image processing, data analysis, text indexing and retrieval. I am also proficient in 3D image visualization using common off the shelf libraries and methodologies, either low or high level, like OpenGL, DirectX, VTK, Java3D. I understand and use common ray tracing programs. I understand image processing topics like segmentation, thresholding, classification. I have worked in the past in a 3d Face recognition European project. I know the OpenCV library quite well. In the field of "general programming" I have a good understanding of Databases, multi threaded applications, sockets, pipes, encryption (symmetric and asymmetric), compiler design, operating systems, low level data structure in memory and on disk, data integrity. I consider myself an expert in data structures and algorithms: trees, queues, lists, b-trees, hash tables; I use standard libraries like STL, Boost, Java generics. I have a good knowledge of SQL and data normalization however I have also used custom No-SQL databases like Datadraw, MapDB, Tokyo Cabinet, Zope. I know all the basic algorithms and templates used in every day coding; regarding data integrity and security. Compression (lossy and lossless), symmetric and asymmetric encryption, public certificates, I have worked with OpenSSL programming, encrypted web services, packet sniffers. I am proficient in all the common every day languages with an emphasis on C++ and Perl. But I can use: Java, Python, Visual Basic, C#, PLSQL, Delphi. I know all the Object Oriented Programming concepts and design patterns and I use them if the need arises, but I am also able to write object-free programs in C or functional languages (like Haskell or Scheme). I know modern version control systems like git and mercurial, even if I can use also older ones like Subversion or CVS. I know Windows programming and API quite well. I have used WPF and WCF to create desktop applications in Windows and web services. I have used Linux and Gui toolkits like Qt which are platform independent. I know XML, XSL, I have used several parsers like the MsXML or Xpath. I know how to validate a XML with a schema. I have worked with a team that handled thousands of XML documents relating to air crashes in a SQL server database. I am able to talk and write in English with fluency. If anything is not listed here either I have forgotten to list it or I can probably learn it quite fast, so don't hesitate in asking!

    $24.41 /hr
    6,681 hours
    4.97
  7. Mahmoud S.

    Mahmoud S.

    C++,C# programmer, professional web scrapper

    Egypt - Last active: 9 days ago - Tests: 2 - Portfolio: 1

    I'm a software Engineer, generally i can make any programming task, preferably using C#. But you can mainly depend on me harvesting as much data as you want from internet to Excel or any other database format, believe me, i have no Exceptions! The general rule is: If you can view it online, i can collect it for you as million records as you want! Other (Formal) stuff about my knowledge: • High level programming using C++ and C# with solid knowledge of object oriented and data structures • Advanced scrapping techniques, with successful implementation of wide range of different purposes scrappers • Database designer with very good experience in SQL, worked with different database engines • Good Practice of Web Sites Developments using ( ASP.NET, PHP, HTML, CSS, Java Script ) • Can implement scripts that help in other tasks such as translation, data entry, research, image collection and editing, etc.. in perfect and professional way

    $25.00 /hr
    219 hours
    4.98
  8. Dave M.

    Dave M.

    Perl, Python programmer, web scraping / data extraction

    United Kingdom - Last active: 20 hours ago - Tests: 5 - Portfolio: 1

    I am a freelance software developer providing web scraping services and data crawling using Python and Perl. Over the last 5 years, I have developed a wide range of software solutions to crawl and extract different types of data from a myriad of websites, e.g. real-time data, business listings, sports results data and other related data sources. My experience lies in automated web scraping with well defined specifications including website and output format. Website data delivered often are in standardised CSV or SQL formats and typically involves further post-processing of crawled data according to your requirements. Code is written in Python and Perl following agile and TDD software design techniques to ensure code longevity, reliability and robustness. I also have experience in mathematical languages Matlab, R, as well as databases SQL, MongoDB, Linux administration, and many web API's including Dropbox, Twitter, Twilio and Sendgrid. As well as web scraping, I am capable of completing similar web related projects using Python and Perl, for example, filtering log files, web monitoring, notification systems and backend web apps. Please contact me if you have any available projects!

    $66.67 /hr
    492 hours
    4.92
  9. Juan Luis Herrera Cortijo

    Juan Luis Herrera Cortijo

    Data Scientist

    Spain - Last active: 1 day ago - Tests: 16 - Portfolio: 5

    Do you have some question that requires a statistical or machine learning answer? No problem. As a data scientist with 15 years of experience, I have the technical knowledge and the communication skills needed to solve your problem and, most important, give an answer that you can apply to your field of interest. What I offer to you is a full data analysis/machine learning stack, including: - Getting and organizing your data. - Selecting the most relevant statistical or machine learning technique for your case. - Applying the technique to your data. - Writing a report that explains every step taken and makes a interpretation of the results. All written with enough technical detail, but that doesn't require a depth statistical knowledge to follow. - Assistance in applying the results to your specific field. I can do all this using any or several of the following: R, MATLAB, Python, MySQL. Everybody can apply an out of the shell statistical algorithm to some benchmark data. But I'm an expert in the tricks needed to apply those algorithms to real data.

    $44.44 /hr
    473 hours
    5.00
  10. Andrey E.

    Andrey E.

    Web Scraping Expert and PHP Web Developer

    Russia - Last active: 20 hours ago - Tests: 7 - Portfolio: 12

    I'm web scraping expert/full stack developer with 7+ years of commercial experience. I'm good problem solver holding M.S. in maths and computer science. Today I'm offering webscraping/php/javascript services as a freelancer. My main skills: • Web scraping, parsing, automation, data processing • Simplehtmldom, Goutte, Symfony Browser Kit, Cheerio, CasperJS, Regular Expressions, Xpath • PHP, JavaScript, Java, NodeJS, PhantomJS, LUA • HTML5, CSS3, LESS, Bootstrap Framework • MySQL, MongoDB, Redis • Memcached, ZeroMQ, ReactPHP • SocketIO, Websockets • REST, SOAP, XML, JSON • Matlab, Wolfram Mathematica • Jquery, KnockoutJS, BackboneJS, RequireJS • Prestashop, OpenCart • Experience working with APIs: Ebay, Spotify, Amazon AWS, Amazon MWS, Flickr, Facebook Graph, Vk.com, GitHub, Instagram and several others • Git, SVN • Apache, Nginx, Curl • Amazon AWS • Linux, Vagrant • Understanding of OOP principles and software design patterns • Teamwork experience My github account is https://github.com/256cats My blog: http://256cats.com/ Over the years I’ve developed a lot of web scrapers of different complexity mostly using PHP (simplehtmldom, browserkit) and NodeJS/PhantomJS (casperjs). Some were simple regex-based and others were complex distributed systems with multiple proxies and Amazon AWS support. Also I developed a wide range of websites using PHP, HTML, JavaScript, CSS and MySQL including several e-commerce websites (+ Prestashop, Opencart). I built sites both from scratch and using frameworks, developed custom modules and extended existing ones for my clients. I have experience in PHP/MySQL performance tuning. Last two years I was working as MMO game (Clash of Clans/Heroes of Might and Magic-like mechanics) logic/backend developer. I’ve implemented distributed message queues, realtime leaderboards with Redis, Mysql, PHP. Developed battle-related algorithms (game unit classes, attack/defend, shortest path, quadtree). Then I’ve done some frontend development, e.g. – developed embeddable javascript classifieds widget and fitness/health single page web application with realtime updates/notifications (HTML, CSS, JavaScript, Jquery, Knockout.js, MomentJS, REST, AJAX, Socket.io).

    Groups: Coding Champs

    $39.90 /hr
    156 hours
    4.98