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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.

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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, 1,169 Data mining projects are completed every quarter on Upwork.


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 4.69.

Last updated: October 1, 2015
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Denis Kuzmenok

Denis Kuzmenok

Perl Developer

Ukraine - Tests: 8 - Portfolio: 2

Experienced in building e-commerce projects (online shops, price comparison systems). Latest projects: 1) Online shops, all backend, frontend programming. Used technologies: Perl, mod_perl, FCGI, TT, HTML::Template, memcached, MySQL, etc. 2) Price comparison system ( close analog). All backend, frontend programming, database administration. Used technologies: Perl, mod_perl, PLP Plack/PSGI, FCGI, HTML::CTPP2, etc. Mysql (Partitioning, Replication, Triggers, Procedures, Queries optimization).

100% Job Success
$22.22 /hr
1,491 hours

Igor N.

Igor N.

C/C++ python and web developer


- Strong knowledge of programming languages like C/asm/C++ (3+ year experience) - 2 years experience of websites development with different PHP frameworks - Good in developing Python, JavaScript, and other scripts when necessary - Knowledge of SEO administration skills - Expert in web scrapping and data mining

$15.00 /hr
0 hours

Ehtesham Choudhury

Ehtesham Choudhury

Database Specialist

Bangladesh - Tests: 2 - Portfolio: 4

As an adaptable, analytical and creative person, I am trying to establish myself as an IT Professional where I can be an asset to the industry by utilizing my strong problem-solving, organization, technical and communication skills in performing concerned duty at concerned organization.

$11.11 /hr
3 hours

Wallace Ferreira

Wallace Ferreira

Software Analyst/Developer

Brazil - Tests: 10 - Portfolio: 2

Hello, my name is Wallace. I've been working with software development for over 9 years. I acquired a lot of experience developing applications using Visual Basic, C/C++, PHP and Java. My expertise is analyzing and developing Desktop and Web Applications such as: + Crawlers/Web Crawlers - Collecting and storing data from sites, documents, videos, photos, social media sites, classified ads sites, etc. + Web Data Scrappers - Extracting, parsing, filtering and storing relevant data from web pages to readable and manageable formats like Excel, CSV, HTML, etc. + Bots and Automation scripts - Extracting and making business decisions out of data from documents like PDFs, Excel, CSV, XML, TXT, etc. - Sending email reports automatically - Auto filling forms - Price comparison apps - Event notifiers + Data conversion/transformation - Transforming/Converting data between formats for import/export in different applications. - Feed generation - Report construction + API development/integration - Adding support for third parts services - Creating interfaces for communication between systems. I have developed dozens of applications for a wide range of application domains including: - E-Commerce sites (like,,, etc) - Financial market - Market research groups - Medical related groups - Shipping companies - And several other personal applications. Some formats I have expertise in are: - JSON - XML - SQL - CSV - PDF - TXT - HTML - XSL - XSLX - And others Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. Since 2009, I have been working for a company that develops software for the financial market - EconoInfo ( In 2012, I graduated in Computer Science at the Pontifical Catholic University of Minas Gerais - PUC Minas. Over the past four years, I specialized in Java development, especially Java EE 6.0, focusing on technologies EJB, JPA, JSF, JMS and JCR. Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. As a developer in charge of creating the EconoInfo website's interface, I also specialized in Servlets, HTML, JavaScript and CSS.

98% Job Success
$27.78 /hr
1,029 hours

Alexander Savenko

Alexander Savenko

Professional data miner, extractor, IT expert, scrapper

Latvia - Tests: 8 - Portfolio: 1

Dear Client, I am professional data miner and software developer providing web scraping services and data crawling using Python and specialized scraping frameworks. With over than 10 years of experience I have developed a wide range of back-end applications to scrape and extract desirable information from such sources as: online ticket systems, bets and gambling sites, business listings, real-time data (i.e forex and similar) and other related data sources. In most cases all data scraping projects are similar to each other and desirable output formats are CSV (Excel), PDF files or should be loaded directly to the databases (MySQL/MSSQL). Also may develop any type of client/server applications for Desktop (Windows 7/ Windows 8.1) and Unix-kind systems (Ubuntu, Debian). I would appreciate an opportunity to help you in resolving your particular issue and provide an outstanding results and requirements to your current deadline. Please do not hesitate to contact if you have any available projects. Thank you!

95% Job Success
$20.00 /hr
12 hours

J.m. G.

J.m. G.

Specializing in Sports Data Applications

United States - Tests: 1

Hello, Working with sports related data is a niche area that I have become expert in over the years. I have worked on countless sports related projects involving such things as research generation, database builds, fantasy roster creation, and outcome projection methodology for handicapping. Additionally, I own and maintain databases containing a wealth of information for the NFL, College Football, NBA, College Basketball, MLB, and the NHL. If you have a project in this area, not only can I deliver it, but if needed I can help brainstorm it and might already have on hand the complied data to feed it. I also have extensive experience with the following: • Anything and Everything Excel related - From the super simple to the super complicated • Anything and Everything MS Access related - From the super simple to the super complicated • Web scraping applications • Creation of scripts and utilities • Creating, maintaining, cleaning up databases I have had a long and successful career history in the traditional workforce and have decided to explore some freelance opportunities online. You will find me to be through and responsive. If you are a client of mine, you and your project will be important to me and I will do whatever I can to make you feel that way. In a high tech world, I believe in old fashion customer service. Thank you for your time, and your consideration.

92% Job Success
$50.00 /hr
1 hours

Marko Rantala

Marko Rantala

NinjaTrader Expert

Finland - Tests: 1

Develop, program and backtest NinjaTrader custom strategies and indicators, bars, optimizer and everything to that. Professional university level software engineer with years of trading experience. Check site for additional info. Tags: NinjaTrader, NinjaScript, C#, NT7, HFT, Investing, robots, futures FYI: Only accepting trading and NinjaTrader related projects to keep the focus clear. (Basic info available from EasyLanguage, MT4, ...)

92% Job Success
$66.00 /hr
6 hours

Anand K.

Anand K.

VBA Expert (Word, Power Point, Excel,Acces) with 4 Years Experience

India - Tests: 3

Expert in Microsoft Excel, Excel Macros, VBA for Microsoft Office, with more than 4 years experience. I have developed many VBA utilities, small application using, written macros for office applications (Word, Power point, Access, Excel, Internet Explorer). I also have experience in the like SQL, C++, Java.

100% Job Success
$16.67 /hr
972 hours