Data Science Professionals & Consultants

Showing 14 freelancers

Data Science Professionals & Consultants

Showing 14 freelancers

  • Data Scientist:Machine Learning, Statistics, R, Python, Java, VB/Excel

    I'm an informatics expert; I utilize Machine Learning (e.g. Weka), Statistics, R, Java, Python, and Excel, VBA / VB.NET to make an impact in academic research and business applications. Specific areas of interest to me are healthcare, finance … more

    I'm an informatics expert; I utilize Machine Learning (e.g. Weka), Statistics, R, Java, Python, and Excel, VBA / VB.NET to make an impact in academic research and business applications. Specific areas of interest to me are healthcare, finance, real estate, energy. Analysis ** R - statistics ** Networks/Social Graph Processing, Gephi Big Data ** Weka ** Apache Hadoop, Hbase, Hive, Pig ** MongoDB Relational Database ** MySQL OO Programming ** Java, Python, VB.NET Environments: ** Linux, Windows Visualization: ** Tableau, Shiny (R) Front End Web ** Rails, Ruby, JQuery, JavaScript, PHP, CSS, HTML 5 Productivity ** Git  less

    data-science microsoft-excel python java statistics data-analysis microsoft-visual-basic r mysql ruby-on-rails 00 more less
    • $150.00 HOURLY RATE
    • 5.0
    • 906 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • Mr.

    I am a Data Handling Specialist who can offer practical and affordable solutions for your data. I handle Excel csv text, sql and html files. My acquired regular expressions skills, combined with an eye for detail give me a competitive … more

    I am a Data Handling Specialist who can offer practical and affordable solutions for your data. I handle Excel csv text, sql and html files. My acquired regular expressions skills, combined with an eye for detail give me a competitive advantage over most Data Specialist. My main Language for programming is Python. I want to curve myself a Niche online as a hard and smart working individual with honesty and reliance as my main strategy for long-term\repeat business.  less

    data-scraping microsoft-excel python calculus statistics ibm-spss mysql data-science 00 more less
    • $14.44 HOURLY RATE
    • 4.5
    • 67 HOURS
    • KENYA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Data science, statistics and iOS development

    I'm a data scientist with 13 years of experience. My speciality is the management, analysis and presentation of times series (I have a Ph. D related to this topic). I have created from scratch complete data flows including automated … more

    I'm a data scientist with 13 years of experience. My speciality is the management, analysis and presentation of times series (I have a Ph. D related to this topic). I have created from scratch complete data flows including automated data acquisition, automated data storage and quality control, automated data analysis and web data presentation. I'm looking for jobs in which I can offer solutions for your data needs, from simple data analysis on existing databases to the development of a complete data flow. Also I'm an independent iOS developer with 3 years of experience I have several apps in the App Store (please, check my portfolio). I'm looking for opportunities of developing apps from scratch or helping to finish or improve your apps. Finally, as a native spanish speaker born in Spain and a long career scientist (with several academic publications in international journals), I'd like to make translation from english to spanish or spanish to english. I also have experience in database management and web applications development.  less

    data-science machine-learning statistics data-analysis data-mining python python-scipy matlab ios-development mysql 00 more less
    • $25.56 HOURLY RATE
    • 5.0
    • 31 HOURS
    • SPAIN
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 14 TESTS
    ASSOCIATED WITH:
  • Researcher, Academic/technical writer, Data and Information Scientist

    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 … more

    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  less

    data-science data-analysis website-analytics internet-research xml-web-services nosql project-management research-papers scientific-writing technical-writing technical-editing proofreading 00 more less
    • $66.67 HOURLY RATE
    • 5.0
    • 1347 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • Result-driven professional in cross-functional arenas.

    Result-driven professional with over 7+ years of rich experience in Data analysis, reporting & building Excel tools for the clients. A professional with expertise in Advance Excel, MS Access, Database Design, SQL, automation of Reports creation, VBA Programming. Providing recommendation on … more

    Result-driven professional with over 7+ years of rich experience in Data analysis, reporting & building Excel tools for the clients. A professional with expertise in Advance Excel, MS Access, Database Design, SQL, automation of Reports creation, VBA Programming. Providing recommendation on effective Integration of Excel or Ms Access based tools with other database such as GreenPlum, Oracle, MS SQL Server etc  less

    vba microsoft-excel microsoft-access sql requirements-analysis vbscript data-analysis database-design database-management business-analysis quantitative-analysis data-science data-entry internet-research microsoft-word microsoft-powerpoint google-spreadsheet google-docs google-spreadsheets-api 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 267 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 7 TESTS
  • Full stack developer

    Hello there, I`m full-stack developer, with huge experience in front end, and mathematical background. # My stack (mainly) * Front end: AngularJS, RequireJS, SASS, coffeescript, three.js, canvas, WebRTC, webgl, mobile, socket.io, phonegap; * Back end: Node.js, Python Jinja2, flask … more

    Hello there, I`m full-stack developer, with huge experience in front end, and mathematical background. # My stack (mainly) * Front end: AngularJS, RequireJS, SASS, coffeescript, three.js, canvas, WebRTC, webgl, mobile, socket.io, phonegap; * Back end: Node.js, Python Jinja2, flask, MongoDB; * Principles: TDD, BDD, SOLID; * Public services APIs: Twitter, Instagram, 4sq, Facebook, OpenStreepMap; * Other: Mathematical model, AI; # Briefly about me: ## Social-net startup Now I`m 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. Here I`m creating flash application with tons of 3d, heavy UI and strong interaction with the server REST API. ## Gamedev I`ve worked in Gamezhero (http://www.gamezhero.com) studio as a developer than as team lead for a more than five years, where have to developed tons of casual games and game frameworks. ## Pet projects ### Game engine I`ve developed javascript game engine: * 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)  less

    javascript html5 node.js mongodb machine-learning python artificial-intelligence data-analysis statistics data-science artificial-neural-networks backbone-js box2d-game-engine rest phonegap android-app-development game-development actionscript-3 adobe-flex 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 525 HOURS
    • MONTENEGRO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
  • Search/NLP/Semantic/Predictive Models/Machine Learning

    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 … more

    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).  less

    natural-language-processing machine-learning data-science sentiment-analysis data-mining core-java r weka sas artificial-intelligence pattern-recognition microsoft-excel matlab perl business-intelligence 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 3249 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • RoR Lead Dev / Technical Architect: distributed apps / 11k oDesk hours

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications … more

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications deploy, monitoring, maintenance (on Windows and Linux) * Semistructured data parsing (ANTLR + custom parsers) * Facebook integration (authentication and FQL) * Column-oriented DBMS (MonetDB, InfiniDB, Infobright, Vertica) * Big data cloud-based solutions (Google BigQuery, Amazon Redshift) I can perform solution architecture design / redesign & refactoring / implementation. I'm also capable of performing thorough review of existing RoR applications and making a list of suggestions on how to improve — did that for several clients and they were all happy. ) Involved in professional programming since 2006, I have participated in development of several complex projects, including business intelligence web application for Nielsen (Nielsen Answers; C# / ASP.NET), contemporary art web portal ArtSlant.com (RoR / ASP.NET components, Amazon/Rackspace clouds), .NET-powered desktop software package and RoR-based web application for complex management of large statistical datasets, comprehensive web-based ERP system (Rails 4), and other projects. I like challenges, have solid skills of problem solving and do not require supervision to successfully perform my duties. My communication and planning skills are good enough to coordinate other people's work, and I'm ready to combine development responsibilities with project/product management (in agile way).  less

    ruby-on-rails ruby postgresql mysql git amazon-ec2 amazon-s3 object-oriented-design code-refactoring test-driven-development bdd javascript jquery css3 html5 xml data-analysis data-science statistics data-scraping data-backup rest sql lamp-administration linux-system-administration windows-administration database-administration .net-framework c# vertica 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 11367 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • Desktop Applications, Databases, Bioinformatics, Statistics, R-project

    I have 14+ years of programming experience and a Master's degree in Bio- and Medical Informatics. I was a PhD student in Texas A&M University, but I'm now back to my family. I'm honest and I … more

    I have 14+ years of programming experience and a Master's degree in Bio- and Medical Informatics. I was a PhD student in Texas A&M University, but I'm now back to my family. I'm honest and I work hard. I consider carefully if I'm qualified for a project before job appliance and if I apply for a job I'll know I could do it fast and accurate. I'm good at User Friendly GUIs, Data Reorganization, File Format Conversions (including text and binary data formats), Desktop Applications (Visual FoxPro), Databases, Bioinformatics, Statistical Analysis, R-project (including C code compiled for R to speed up some time consuming computations), SQL, Microsoft Office Excel Automation (VBA code sent from a desktop application to Excel to make it do things), Programs to Automatically fill Acrobat PDF Forms, Text Parsing, Mapple, C, C++, Audio/Video formats conversion, Molecular Biology, Genetics and more. Keywords: Bioinformatics, Desktop Applications, Molecular Biology, Genetics, C, C++, Mapple, PDF Forms, edgelist, edge list, Databases, database, Statistical Analysis, R-project, VBA, Automation, Medical Informatics, Algorithms, algorithm, File Convert, files conversion, Text Parsing, parse, user friendly graphical interface, GUI, Audio, Video.  less

    visual-foxpro r algorithms video-conversion data-analysis data-structures database-design sql quantitative-analysis statistics c c++ microsoft-visual-c++ software-testing database-programming document-conversion microsoft-access database-modeling manual-testing multithreaded-programming dbase bio-informatics medical-informatics financial-analysis business-analysis vba ado maple data-mining data-science data-backup video-editing 00 more less
    • $24.54 HOURLY RATE
    • 4.9
    • 124 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • Architect, Backend Engineer (Scala, Java, Hadoop)

    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 … more

    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!  less

    hadoop java amazon-web-services spring-framework apache-maven jpa rest hibernate amazon-ec2 amazon-s3 amazon-rds apache-camel apache-hive puppet-administration xml-web-services junit cryptography xml-rpc twitter-api api-development api-documentation nosql test-driven-development j2ee j2se oauth java-servlets-development agile-software-development automated-testing database-testing load-testing apache-thrift mercurial multithreaded-programming software-debugging reverse-engineering data-science rss xml etl crawlers google-app-engine google-apps google-app-engine-api google-apps-api 00 more less
    • $55.56 HOURLY RATE
    • 4.8
    • 2535 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 12 TESTS
    GROUPS:
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