Data Analysts

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Hire a freelance data analyst today to help bring meaning to your data so you can make informed decisions in your business operations. A data or business analyst can help you with data collection, data entry, data mining, data modeling, data integration and descriptive statistics.

Data analysis is the process by which analysts clean, transform and model data to make information useful to a particular industry. Advanced analysts often use mathematics, pattern recognition software and statistical algorithms to extract actionable knowledge from raw data. On oDesk, the world’s largest online workplace, data analysts process data for small businesses, enterprises and professionals.

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Data Analytics Job Cost Overview

Typical total cost of oDesk Data Analytics projects based on completed and fixed-price jobs.

oDesk Data Analytics Jobs Completed Quarterly

On average, 458 Data Analytics projects are completed every quarter on oDesk.

458

Time to Complete oDesk Data Analytics Jobs

Time needed to complete a Data Analytics project on oDesk.

Average Data Analytics Freelancer Feedback Score

Data Analytics oDesk freelancers typically receive a client rating of 4.75.

4.75
Last updated: April 1, 2015
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Ivan T.

Ivan T.

Ruby / Rails Architect w/ scaling exp. 8 yrs, 12k...

Russia - Last active: 1 day ago - Tests: 3 - Portfolio: 1

Independent full-stack developer / technical architect skilled in: * Ruby / Ruby on Rails (from edge to legacy) * Scalable, decentralized (modular) applications architecture * Databases: relational (PostgreSQL, MySQL), NoSQL (Redis, Riak, MongoDB, Neo4j), big-data-specific (Google BigQuery, Amazon Redshift) * Background jobs processing: Sidekiq, Resque, delayed_job * Message queuing: RabbitMQ (AMQP) * Client-side tech (HTML5 / CSS3 / JavaScript [native / AngularJS]) * RESTful APIs implementation, integration with any third-party APIs, data harvesting from sites which do not provide an API * Social media integration (authentication, querying, publishing): Facebook, LinkedIn, YouTube, and more * Process: TDD/BDD with RSpec, Cucumber, Capybara, Zeus, Guard * Rails applications deploy, monitoring, maintenance: Heroku, Amazon EC2, Linode, Heroku) * Amazon Web Services infrastructure: EC2, S3, Glacier, Redshift,.. * Version control systems: svn, git (with GitFlow, GitHub Flow workflows) As a back-end technical architect / developer, I can develop scalable and stable multi-node server-side applications and also can evaluate your Ruby/Rails application and make suggestions on possible optimizations / refactoring / adopting best practices. As a team lead, I can divide, regroup, prioritize and delegate tasks to developers, consult developers on best practices, ensure high overal quality of software product. I like challenges, have solid skills of problem solving, do not require supervision to successfully perform my duties. Dependability is also one of my key strenghts (never left my work half-done / half-functioning). If my current rate fits your project's budget, contact me to discuss technical and other aspects — I'm looking forward to it.

$100.00 /hr
12,686 hours
5.00
Wallace Ferreira

Wallace Ferreira

Software Analyst/Developer

Brazil - Last active: 1 day ago - Tests: 9 - 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 Amazon.com, Walmart.com, ToysRus.com, 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 (http://www.econoinfo.com.br). 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.

$27.78 /hr
841 hours
4.92
Jovan Pehcevski

Jovan Pehcevski

Researcher, Academic/technical writer, Data and In...

Macedonia - Last active: 3 days ago - Tests: 5 - Portfolio: 3

As a PhD in Computer Science, I am an experienced researcher, academic writer and data and information scientist. Over the last 12 years I have gathered an extensive experience in practising and teaching the following computer science concepts: information retrieval, data mining, machine learning, database management systems using MySQL and Oracle, native XML databases using XML, DOM and SAX, web development techniques using (X)HMTL, DHTML, PHP, and MySQL, deploying web services and service oriented architectures, and tuning Apache web server for performance, security and caching. My core competency lies in academic research, data and information science, as well as writing, proofreading and editing of research papers and thesis of all academic levels. I am seeking opportunities to offer my rich professional and academic experience for the strategic growth and developmental needs of your business. My core research interests and strengths are as follows: - Focused information retrieval - Evaluation of focused and content-oriented XML retrieval - Entity retrieval and knowledge discovery - Data mining and big data analytics - Business intelligence and predictive analytics - Time-series data forecasting - Recommendation algorithms for social/news networking sites - Native XML databases, NoSQL and relational database systems - Web servers and web technologies - Web database applications and Internet programming - Web and enterprise security

$66.67 /hr
1,535 hours
5.00
Andrey E.

Andrey E.

Web Scraping Expert and PHP Web Developer

Russia - Last active: 19 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).

$39.90 /hr
141 hours
4.97
Andrew P.

Andrew P.

Data Scientist | Software developer | LaTeX expert

Ukraine - Last active: 19 hours ago - Tests: 8 - Portfolio: 1

Project-oriented technician in a few fields of expertise: * data analysis: various data processing using few programming languages - Python, R, Wolfram Mathematica, Matlab; * typesetter: bibliography support, complex imagery, complex, multi-line equations and interprocessing data in both LaTeX and MS Word; * software developing: desktop software developing and a distinct programms to get and operate on different data; science software to model asorted physics and math models. Experienced for a 5+ years in all fields. 1+ years of public work on oDesk.

$100.00 /hr
87 hours
4.85
John Bampton

John Bampton

Elance-oDesk 340+ Jobs International Man of Myster...

Australia - Last active: 3 days ago - Tests: 18 - Portfolio: 1

Super discounted hourly rate - $19 - to the first two clients that offer me a job that involves Ruby or Python. Over 250 happy clients. Ideas man, innovation expert and one man think tank! The BOOST to productivity. Big hitting programming veteran rocking out hard to code everyday. I build fast loading websites that bring in more revenue. Comprehensive knowledge of XML based document publishing systems and well versed in PHP 5. Ex Adobe Coldfusion programmer. Junior Pythonista! Ruby Wannabe! XPath Superhero! 24/7 365 IT Nerd and Digital Nomad. A past school chess prodigy. Electronic dance music enthusiast. Science Fiction / Fantasy fan. I am currently placed in the top 1000 programmers on Codewars - https://www.codewars.com/users/Beast - where I am mainly doing coding challenges in Ruby but overall attempting to learn all 7 current languages they are offering. As I progress through the challenges I am learning more about core Ruby, so far mainly the String and Array Classes and the Enumerable Module Currently working for three USA based companies / government departments some indirectly - one in California. All these jobs involve some form of document publishing. Some software / technologies that I have worked with - Ecrion XF designer, Altova XMLSpy / Stylevision, oXygen XML editor, Stylus Studio, XEP, Xalan, Saxon, Apache FOP, Ibex, xsltproc, EXSLT, MSXML, MSXSL, Scalable Vector Graphics (SVG), Orbeon XForms, Docbook (Authoring and XSLT), DITA OT, HL7, FMPXMLRESULT, WordProcessingML, SpreadsheetML, eXist Native XML database with XQuery Update, BaseX, XProc - An XML Pipeline Language. Interested in working with MongoDB, XQuery, JSONiq, MarkLogic, Phalcon PHP, Yii Framework, NoSQL, HHVM, Zend Framework, AngularJS, Big Data, Rails, Django, Zope, Plone, Altova server products (Raptor XML, Flowforce, MapForce, Stylevision) - come on make me a job offer! I have an iMac running OS X Yosemite, 2 desktop PCs running various linux distros, a Lubuntu laptop, a Samsung Galaxy Note 2 KitKat mobile phone, a Samsung Galaxy Tab S 10.5 running KitKat, a Microsoft Surface Pro 2 Tablet running Windows 8.1 and a Firefox OS based mobile phone. When I am awake all my notifications get sent to my Samsung Gear 2 smart watch. In my spare time I like to stream movies and TV shows to my Apple TV and my Google Chromecast, well that's when I'm not learning Ruby or doing challenges on Khan Academy or similar sites. Do you remember those 1980's style left to right arcade games where when you got to the end of the level you had to try to defeat the big boss and then at the end of the game you had to fight the super boss? Well thinking along those lines, I am the undefeated super boss programmer looking for my next elite coding challenge! http://www.newyorker.com/magazine/2014/11/24/programmers-price "Working hard. Aiming to be the best. This is my dream. This is my journey!" - Milos Raonic

$38.00 /hr
2,259 hours
4.57
Ariel Humphrey

Ariel Humphrey

French-American IT/Internet Contract & Environment...

United States - Last active: 5 days ago - Tests: 5

Ariel Humphrey is a French-American licensed IT/Internet Contract and Environmental Law Attorney ranked "Number 1" amongst all of the top Odesk Attorneys. My activity is mainly aimed at helping start-up companies/businesses to be perfectly managed from a Legal and contractual perspective. 1) My goals are to develop several activities on oDesk including the drafting, editing, review, creation or translation of sophisticated Contracts/Agreements in the field of Business law in general (corporate and banking agreements including shareholders' agreements or revolving line of credit agreements for instance) and also specifically in the sector of Internet Business Law (including SEO/CRO service agreements and/or website design & development agreements and/or terms of services (TOS) and privacy policies for websites), of IT Law (including software development agreements or software license agreements or end-user license agreements (EULA)), of Sports/Entertainment/Art/Music (including graphic design agreements or music license agreements or Sponsorship Agreements) whether it be in French, in English or in both languages (bilingual contracts). I do have a very large database of contracts and agreements (templates) including all kinds of agreements related to the matters mentioned above and to business law in general. You will benefit from my legal know-how and database, given that I can adapt all of my contracts to your particular situation and needs so that we come up with a tailor-made contract solution for You. 2) I am a French Licensed attorney and I can assist you and address your needs related to French Law, international contract law (including but not limited to Australian Law, Canadian Law, U.S. Law etc.). I am a French corporate attorney which means that I am an expert in French Corporate law having practiced in different Paris-based prestigious law firms (including Eversheds, Vaughan Avocats). 3) I am a US citizen and a French Native citizen (European Citizen). I am perfectly bilingual with high level writing and analytical skills that I would like you to benefit from should you need my services when French and/or English language(s) are involved. With such writing, linguistic and analytical skills I am used to writing/drafting/reviewing/editing/proofreading Legal or Business documents of all kinds related to or about any subject that falls within my strong, all-around and broad General Technical and legal culture/knowledge/know-how/Experience). I also have a large experience as a business and legal translator. 4) In addition to my solid experience as a business attorney throughout Europe as you can see on my resume which you will find below, I worked as a legal Consultant in India in 2011 for the Legal Process Outsourcing Company Quislex Inc.; I also worked in 2008 in Louisiana and in San Diego, California in 2010 : in other words, I have a large international wingspan when it comes to work. I remain at your service no matter what :-) ! You can find me on LinkedIn at www.linkedin.com/in/arielhumphrey Ariel Humphrey

$95.00 /hr
2,107 hours
4.98
Andrii S.

Andrii S.

Sr. Software Developer (Python&Django, Node.js)

Ukraine - Last active: 25 days ago - Tests: 10 - Portfolio: 2

* Have production experience w/ following programming languages: Python, JavaScript (node.js), PHP, Perl. * Skilled in web applications back-end & RESTful APIs development, distributed architecture. * Have experience in both relational DBs (MySQL, Oracle, PostgreSQL) and NoSQL solutions like MongoDB (have certificates from 10gen), Redis. * Feeling comfortable with such cloud computing platforms as Amazon EC2 and Rackspace, Heroku and OpenShift.

$44.44 /hr
276 hours
4.97
Gadi Meir

Gadi Meir

Access Database and Excel VBA Developer

Israel - Last active: 2 days ago - Tests: 18 - Portfolio: 9

Senior Access Database and Excel VBA Developer with over 25 years of programming experience. Native English Speaker. Hard-working, honest, reliable, creative, self-motivated and efficient. Working extensively with Access, Excel together with VBA since 1995 and SQL Server since 2003. Outstanding analysis skills to ensure requirements are fully satisfied. Available to work in different timezones. VP Development in Software house - Access/SQL and Excel developer building complex algorithms.

$39.00 /hr
244 hours
5.00
Heikki Arponen

Heikki Arponen

Math PhD Quantitative Analyst and Data Scientist

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

I'm a Finnish math PhD, Data Scientist/Quant and Python expert with expertise also in Matlab and Mathematica. I have around 10 years of experience in academia as a researcher, and a couple of years after that as a freelance consultant mathematician and coder. Here's my business page: http://www.quantmechanics.com/ Primarily I am skilled in the following mathematical programming subjects: - Time series analysis and modelling (parametric, nonparametric, multivariate) - Machine learning (e.g. Recurrent Neural Networks) - Optimization (LP, QP, Convex, Large Scale ML/TS problems) Other skills: SQL, financial modeling, data analysis, stochastics, stochastic PDEs, wavelets, monte carlo, regression analysis (linear, nonlinear, logistic), time series analysis, econometrics, VARMA etc., econophysics, nonlinear dynamics, portfolio theory, CAPM, factor models, GARCH, VaR, neural networks, backtesting, algorithmic trading Here's me at LinkedIn: http://fi.linkedin.com/pub/heikki-arponen/34/590/248/ Github: github.com/harpone List of publications: http://scholar.google.fi/citations?user=kFxXih0AAAAJ

$65.00 /hr
195 hours
5.00