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. Pasqualino Ferrentino

    Pasqualino Ferrentino

    Machine learning, pattern recognition, image analysis, sys developer

    Italy - Last active: 16 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
    6,649 hours
    4.97
  2. Mahmoud S.

    Mahmoud S.

    C++,C# programmer, professional web scrapper

    Egypt - Last active: 6 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
  3. Andrey E.

    Andrey E.

    Web Scraping Expert and PHP Web Developer

    Russia - Last active: 2 days 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
  4. Marianna C.

    Marianna C.

    -Top Rated- Tableau Consultant & Data Analyst

    Italy - Last active: 3 days ago - Tests: 5

    Post-doc research analyst with an in depth experience in data visualization and statistics for social research. Over the last 10 years I have developed strong data analysis skills, working with public and private sector bodies, universities and research centers. My previous position involved developing evidence based insights through data visualization on female labour force participation to easy communicate, in a visual form, complex technical concepts with professional and non professional audiences. I have excellent writing skills in italian language (English B2 Level), strong competence in using software packages (Excel, ArcGis, SPSS, Tableau Software) for statistical analysis and data visualization, and web editing skills (XHTML language).

    $27.78 /hr
    88 hours
    5.00
  5. Marcelo G.

    Marcelo G.

    Process Engineer, Data Analyst & Spanish Translator

    Chile - Last active: 12/12/2014 - Tests: 8

    Engineer, Data Analyst & Spanish Translator with 4 years of experience in the financial industry. You can expect from me timely communication, high quality deliveries and fast turnaround which hopefully will let us build a great long-term business relationship. I offer services in the following fields: • Translations from English to Spanish & proofreading. • Data Analysis: Statistical analysis, Predictive Modelling, Parameter Estimation,etc. • Data Visualization tools (Dashboards) using Excel and VBA. • Business process management & design using Lean, Six Sigma & BPR methodologies. Experienced in Office (Excel, Word, PPT); SPSS, Orange, Inzight (Data Mining and Statistics); SQL Server, MS Access (Databases); Bizagi, Visio (Process Modeler), and MS Project.

    $25.00 /hr
    8 hours
    5.00
  6. Khaled Kokhon

    Khaled Kokhon

    Salesforce.com Professional

    United Arab Emirates - Last active: 12 days ago - Tests: 6 - Portfolio: 1

    I implement, migrate, configure, customize, maintain, and train on the Salesforce.com and Zoho CRM platforms. I also possess excellent English skills and and use Skype / TeamViewer to communicate with my clients on oDesk. I'm a Salesforce.com Certified Administrator (since 2011) and Salesforce.com Certified Developer (since 2012). Served as a Salesforce administrator and consultant for companies in Jordan, UAE (Dubai), US, Canada, Australia, and Norway.

    Groups: Microsoft Certified Professionals, salesforce.com

    $50.00 /hr
    446 hours
    4.99
  7. Sergii K.

    Sergii K.

    Web Designer, Developer and Data Miner

    Ukraine - Last active: 1 month ago - Tests: 8

    I am designer and frontend web-developer from Kyiv, Ukraine. I am 29 and have a 6+ years of proficiency. I am fluent in English, Ukrainian and Russian. Also speak a little German. Planning to study Spanish. I expertise in: • UX/UI Design • HTML / HTML5 • CSS / CSS3 / also LESS / SASS, Twitter Bootstrap, ZURB Foundation • Both Vanilla JS and jQuery, jQuery UI, d3.js • Git and SVN I am pretty experienced in: • PHP • Python • MySQL databases Worked with the following frameworks and CMS: • Codeigniter (typical CRUD systems creation) • Zend Framework (views templating / routing settings) • Wordpress (templating and themes creation) I am a bachelor in Information Security, but I do enjoy web-development and scripting more. When I have some time on my hands I try to help people at StackOverflow and participate at open-source projects development at Github. Here at oDesk I am looking for interesting projects that will allow me to grow and also receive an extra profit too. Also I'd like to practice more data mining involving Python programming as it is my hobby. I am a joyful and calm person by character. I am fond of music, soccer, language learning and programming.

    $15.56 /hr
    12 hours
    5.00
  8. Amani Salah

    Amani Salah

    Computer & Systems Engineer

    Egypt - Last active: 2 days ago - Tests: 5 - Portfolio: 2

    More about me : eg.linkedin.com/in/amanisalah I always seek challenge in my life, whether it's through my job or through a quick travelling adventure. I'm interested in topics like Algorithms, Natural language processing, Machine learning and security. I prefer working in a start-ups or constantly growing companies because it's where you find the most challenges. I have a BS in Computer Science, I'm currently working as Bluekaizen Alexandria student representative and Arabic grammar checker for Ketabna.com. I'm interested in python, scrapy, crawlers, linux administration, Arabic/English translation and technical writing in English/Arabic.

    $28.00 /hr
    191 hours
    4.67
  9. Selahattin T.

    Selahattin T.

    English-Turkish Translator, Content Moderator, Proofreader, PM, SMM

    Turkey - Last active: 1 day ago - Tests: 3 - Portfolio: 4

    Over four years of working as an EFL teacher in Turkey, I also got the experience in translations both from English to Turkish and Turkish to English. I have translated so many academic articles, websites, magazine pages, biographies and so many authentic documents out of Odesk. You won't regret to work with me because I'm fast, reliable, tied to deadlines.

    $10.00 /hr
    1,061 hours
    5.00
  10. Anna P.

    Anna P.

    Experienced translator and localization specialist

    Poland - Last active: 3 days ago - Tests: 4 - Portfolio: 1

    Polish native, internet enthusiast with excellent web research and analytical skills. Experienced and qualified translator (M.A. in Applied Linguistics). Aware of the current affairs in the Polish market as well as with the richness of different internet resources. I am already familiar with the specificity of localization projects. I am a proficient English and French speaker.

    $15.56 /hr
    113 hours
    5.00