Data Science Professionals & Consultants

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Data Science Job Cost Overview

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

oDesk Data Science Jobs Completed Quarterly

On average, 20 Data Science projects are completed every quarter on oDesk.

20

Time to Complete oDesk Data Science Jobs

Time needed to complete a Data Science project on oDesk.

Average Data Science Freelancer Feedback Score

Data Science oDesk freelancers typically receive a client rating of 4.82.

4.82
Last updated: April 1, 2015

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Joan Tura

Joan Tura

Science research-Science writer-Blogger-Data entry

Philippines - Last active: 2 days ago - Tests: 2 - Portfolio: 3

Professionalism is my paramount priority in dealing the jobs. I am well motivated and self-driven person with high level of efficiency in writing anything and willing to learn everything. Looking for any opportunity to enhance my ability as well as to share my inherent knowledge in writing scientific paper.

$12.22 /hr
1,655 hours
4.62
Aldrin L.

Aldrin L.

Architect, Backend Engineer (Scala, Java, Hadoop)

Brazil - Last active: 6 days ago - Tests: 12 - Portfolio: 1

Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

$55.56 /hr
3,109 hours
4.83
Ivan T.

Ivan T.

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

Russia - Last active: 3 days 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
12,732 hours
5.00
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
1,562 hours
5.00
Vasilis T.

Vasilis T.

Experienced Software Translator and Data Entry Spe...

Greece - Last active: 2 days ago - Tests: 8 - Portfolio: 1

I am a student in software engineering with experience in open source software localization. I was part of the Greek translation team for the Gnome project localizing mostly documentation files and I am the lead translator of the open source QupZilla web browser & Popcorn Time application to Greek. Other experience: Some animation with Adobe Flash CS6, Data Entry, HTML, CSS, Javascript, Wordpress.

$11.11 /hr
3,641 hours
5.00
Sarge Rogatch

Sarge Rogatch

C++, CSharp .NET, Java Developer or Project Manage...

Belarus - Last active: 4 days ago - Tests: 4 - Portfolio: 2

Competence, Knowledge and Ability: - Algorithms & Data Structures, Discrete Mathematics, Graph Theory, Optimization, Operations Research ( http://ioi.eduardische.com/people/2056 , http://community.topcoder.com/tc?module=MemberProfile&cr=23291407 ) - Machine Learning, Natural Language Processing, Neural Networks, Multi-agent Systems, Distributed AI, Data Science, Big Data Analytics, Semantic Web - Project Management, Performance Increase, Work Breakdown Structure, Automation, Definition of Standards - Web development C/C++, Java, C#, .NET, ASP.NET, WEB Services, XML, HTML, JavaScript, MATLAB, SQL, RDBMS, OLAP, Multithreading, Windows API, Project Management, Technical Design, Functional Design, Debugging, Profiling, Coding, Assembler, Caching, Amazon EC2, VMWare Virtual Machines, Data Mining, Dynamic Programming, Reinforcement Learning, Clustering, Logic, Programming Pearls and Best Practices, Mentoring, DOS, Batch scripts, SVN, Tortoise SVN, Rational ClearCase, ClearQuest, Visual Studio, Eclipse, Sun JVM, JRockit, Hudson, MySQL, MSSQL, RDF, Oracle Primavera Portfolio Management

C C++ Borland C++ Builder Microsoft Visual C++ Java Oracle Java EE .NET Framework ASP.NET Amazon Web Services xml web services XML HTML AJAX XHTML MATLAB Basic Visual Basic Pascal Object Pascal Delphi SQL MySQL Administration NoSQL PostgreSQL Administration Oracle PL/SQL OLAP Multithreaded Programming Distributed computing DBMS Windows App Development Win32 App Development Unix System Administration Linux System Administration Software Testing Architecture Software QA Testing Project management Agile software developmennt Scrum Business Analysis Business Development Product Development Product management technical analysis Technical Documentation Functional testing Test Driven Development Test Case Design Test Automation Reverse engineering Software Debugging Data Encoding Artificial Neural Networks Computer Networking TCP/IP X86 assembly language Assembly Language Process architecture Memcached Translation Program Management Systems Development database programming Socket Programming Amazon EC2 VMware Administration Cryptography Interaction design Statistics Biostatistics Teaching Mathematics Algorithms Genetic Algorithms Teaching Algebra Data mining Data Analytics Data Structures Data Science Database Modeling Database design database management Database testing Geometry Translation English Russian Computer vision Machine learning Supervised learning Cluster Computing Regular Expressions Virtualization Teaching Physics Electronics Embedded Systems API Development API Documentation MS-DOS Administration Apache Ant Apache Subversion (SVN) Tortoise SVN ClearQuest Microsoft Word Microsoft Excel Microsoft PowerPoint Microsoft Project Microsoft Visual Studio Eclipse
$33.33 /hr
2,583 hours
4.99
Rahul Singh

Rahul Singh Agency Contractor

Search/NLP/Semantic/Predictive Models/Machine Lear...

India - Last active: 06/18/2014 - Tests: 3 - Portfolio: 3

I have good experience in the field of big data, machine learning, search, natural language processing, semantic web and knowledge modeling. I have worked on Named Entity Recognition, RDF, SPARQL, JSON, XML, Hadoop, Mongodb, Couchdb, ElasticSearch, Solr, Lucene, Mahout, R, Gate, Apache-Jena, Dbpedia, Ektorp, Weka, Jackson. I have a good experience in programming languages such as Java, R, SAS, Python. I have extensive experience of applying machine learning algorithms to solve complex business problems. I am a post graduate in Electrical Engineering, IIT Kharagpur (2004-2009).

Associated with: OSBII Agency
$55.56 /hr
3,622 hours
5.00
Volodymyr Kostanda

Volodymyr Kostanda Agency Contractor

iOS/Android/MacOS/Win/ObjectC/C#.NET/C++/Delphi/Ja...

Ukraine - Last active: 4 days ago - Tests: 42 - Portfolio: 40

Owner and CEO at AdoriaSoft LLC. AdoriaSoft offers full cycle software development services and implements all stages of projects for our customers: - Research and estimation - Requirements definition - Architecting - Development - Graphical design and User experience design - QA - Support and updates Platforms that we develop for: - iOS (iPhones and iPads of different versions) - Android phones and tablets - MacOS - Web - Windows desktop - Windows Server - Windows CE - Windows Mobile PPC and SP 5.0, 6.0, 6.5, 7 editions We - have different real devices for testing (Android phones and tablets, iPhones, iPads of different generations, Macbooks, etc), no emulators. - work with both native and crossplatform frameworks - use an established design/development/testing lifecycle, follow scrum - have our own development servers with tasks management system (JIRA), source control (Git), continuous integration and build server (Bamboo), etc. - can easy work with time zones like PST, EST, etc. - offer high quality and cost effective solutions for our customers Technologies/Languages/Libraries/Frameworks: - ObjectiveC, iOS SDK, Mac OS SDK, XCode - Java, Android SDK - C++, STL, Boost, ATL, WTL, COM, MFC - Windows API, DirectShow, DirectSound, Sockets, Completion Ports, OLEDB, TAPI, GDI - C#, Managed C++, ASP.NET, LINQ, ADO.NET Entity Framework, WPF, Compact Framework, Mono.NET, Monotouch, Xamarin - Appcelerator Platform, Titanium, PhoneGap - MS SQL Server, T-SQL, Oracle, MySQL, NoSQL, MongoDB - Cloud platfoms: Amazon Web Services ( AWS ), Microsoft Azure - Web technologies: REST and SOAP web services, JavaScript rich client libraries, HTML5, CSS3 Our competences: - business automation software - System utilities for MacOS, Windows and mobiles platforms - Information security, cryptography, steganography - client-server applications - Wireless 3G/4G, Bluetooth, WiFi applications - VoIP, voice codecs, data signal processing - Complex Web applications and portals (ASP.NET, PHP, REST web services, JavaScript rich clients)

Associated with: Adoriasoft
$29.00 /hr
15,049 hours
4.90
Eugene Krevenets

Eugene Krevenets Agency Contractor

Full Stack Developer (Node.js/Angular.js/Mongo/Pyt...

Montenegro - Last active: 2 days ago - Tests: 3 - Portfolio: 6

Hello there, I'm full-stack developer, with a higher mathematical background. # My stack (mainly) * Front end: AngularJS, RequireJS, SASS, LESS, coffeescript, three.js, canvas, WebRTC, webgl, mobile, socket.io, phonegap; * Back end: Node.js, Python Django, Jinja2, flask, MongoDB, MySQL; * ENV: VBox, Vagrant, Docker; * Principles: TDD, BDD, SOLID; * Public services APIs: 4sq, Facebook, Google, Instagram, OpenStreepMap, Stripe.com, Twitter, UserVoice, YouTube and other; * Other: Mathematical model, AI; # Briefly about me: ## Social-net startup Now I was working on startup - Realaxy - its a 3d social net. Here is our widgets http://pressanykeytocreate.blogspot.com/2013/07/realaxy-in-closed-beta-under-cover-i.html. We have created a flash application with tons of 3d, heavy UI and strong interaction with the server REST API. ## Gamedev I was working in Gamezhero (http://www.gamezhero.com) studio as a developer and team leader for a more than five years. There I have developed tons of casual games and game frameworks. ## Pet projects ### Game engine Here is my javascript game engine main focus on complex, multilayered architecture for maximum flexibility of game objects: * DarlingJS - http://darlingjs.github.io ### Other projects http://hyzhak.github.com In free time research javascript for client side, also for server side (node.js). Developed some mobile application for Android and Blackberry Playbook. Also lead some tech-blogs: * http://pressanykeytocreate.blogspot.com (English version) * http://anykeytocreate.blogspot.com (Russian version)

Associated with: jakijak
$40.00 /hr
2,568 hours
4.70
Ali Gajani

Ali Gajani

Ali Gajani

United Kingdom - Last active: 05/30/2014 - Tests: 4 - Portfolio: 16

*READ: Achieved Top 5% of oDesk Contractors badge: http://bit.ly/15jZOKT* Ali Gajani is: - Professional Blogger (Founder of Mr. Geek) http://www.mrgeek.me - Data Scientist Currently a PG at University College London - IT Professional Freelance and Industry - Programmer and Writer I am known for my craftsmanship in prose and code. - Passionate Geek, Entrepreneurial Mindset, Multiple Talents http://www.aligajani.com Who trusts me: - Worked with Sphero, Leap Motion and more I built Mr. Geek as a brand companies can trust. - Monitis Inc Worked for Monitis here on oDesk for 14 months. $25K contract - Large influence on social media Combined influencer network of 30,000 people from US/UK Interested? Contact me on oDesk and elsewhere. I am all over Google.

$35.00 /hr
1,122 hours
4.03