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Last updated: September 1, 2015
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  1. Thomas Kuilman

    Thomas Kuilman

    R developer

    Netherlands - Tests: 1

    I have developed excellent R skills over the past year in my professional career, where I have written an R package for scientific use (see below for link to GitHub page). I am new to developing for clients, but regard this an exciting opportunity to apply my R programming skills in a professional environment. In addition to programming in R, I also have some experience in programming in Python, Javascript, HTML and CSS. I have excellent communication skills, I am eager to learn and looking forward to this opportunity.

    $12.00 /hr
    0 hours
  2. Susana Ramallo

    Susana Ramallo

    Ruby on Rails Developer, Data Mining and Magic/UniPaas expert

    Mexico - Tests: 4

    With over 20 years of experience building GUI and Web applications using SQL Databases (MS SQL, Mysql, Postgres, Pervasive, Oracle) my goal is to help you realize your world-class project. Also I have a master on Data Mining and knowledge discovery and experience on: * Microsoft Analysis Services * Data Warehouse * R * Predictive Analytics tools * Scientific Data systems I started working on Ruby on Rails 12 months ago. Last my timezone is CST. Im located in Mexico and I have a B1 US visa so I could visit the team locally.

    $22.22 /hr
    0 hours
  3. Jorge Vazquez

    Jorge Vazquez

    Data Analyst\Programmer


    Professional with over four years' experience in IT consultancy. Last projects are related to database administration with PostgreSQL and PHP, and data analysis/graphical representations in Excel (and VBA) and R software

    $23.33 /hr
    180 hours
  4. Curt Wheeler

    Curt Wheeler Agency Contractor

    US BASED - ASP.NET, C#, SQL Server, Tableau, R-Statistics, SAS

    United States

    Over 7 years experience in software development. I have developed a wide range of applications. Most projects have been private reporting systems for federal and state run projects. My core competency lies in the collecting, compiling, and analyzing data for academic projects. I work as a manager of small team of individuals that specialize in skills ranging from data entry to statistics analysis as advanced as propensity score matching.

    Associated with: 100development Agency

    $44.44 /hr
    0 hours
  5. Tetyana Sopronyuk

    Tetyana Sopronyuk

    VBA/R/C/C++ Programmer

    Ukraine - Tests: 3 - Portfolio: 1

    R, C/C++, Good knowledge of mathematics. Passed 7 courses of Data science specialization at Coursera (Data Science Tools, R programming, Getting and cleaning data, Exploratory data analysis, Reproducible research, Statistical inference, Regression models). Last two courses - Machine learning and Developing data products - would be finished by the end of August. Passed course of Beginning Game Programming with C# at Coursera. Conduct lectures and laboratory classes with students in such courses: - Object-oriented programming in C++; - Automata theory and formal languages; - VBA and VB .NET; - Mathematical modeling of systems with impulse influence.

    $11.11 /hr
    0 hours
  6. Joshua W.

    Joshua W.

    Proficient Data Miner & Visualizationist with Python + R

    United States - Tests: 5 - Portfolio: 1

    I am a recent Physics PhD with experience at generating and mining data from ordered datasets, using Fortran, C/C++ and Python. I am a hard worker, a fast learner and very detail-oriented; I am willing to put in >10 hours/day on projects to complete in timely fashion and contact clients at their convenience regardless of time zone differences. ★ Linux + Unix experience (primary OS is Linux Mint 17.1) ★ Programming experience: - ► Fortran (8 years) - ► C/C++ (4 years) - ► Python (2 years) - ► R (1 year) - ► Matlab/Octave (2 years) - ► Lua (2 years) - ► Bash (3 years) - ► LaTeX (8 years) - ► some SQL (< 1 year) - ► some Hadoop (< 1 year) ★ Algorithmic experience: - ► finite differences - ► mining from ordered datasets - ► munging - ► visualization - ► linear algebra - ► linear & multivariate regression I am committed to providing excellent, documented, reusable software that enables both my client and myself the opportunity to grow.

    $5.56 /hr
    0 hours
  7. David Stephens

    David Stephens

    Data Analyst

    United Kingdom - Tests: 2

    Hello, I am a Data Analyst with 5+ years professional experience with a background in scientific research including publishing peer-reviewed papers. I have BSc (1st class honours) in Geographical Information Systems and Science. I am most interested in contracts that would take advantage of my R skills for data analysis and visualisation. Including: geospatial analysis, statistical modelling, data mining or building shiny data apps. A summary of my skills and experience: - Diverse types of research including geospatial analysis, statistical modelling, image analysis, GIS. - Daily use of R with experience of packages such as: dplyr, ggplot2, caret, sp, rgdal, gstat. - Developing interactive data tools using R’s ‘Shiny’ framework - Also have experience scripting in Python and SQL Statisitcs: - Linear regression, principal component analysis, t-tests. - Machine learning algorithms (random forest, neural networks) - Cluster Analysis (unsupervised classification) - Non-parametric significance testing (monte-carlo simulations) - Geo-statistical Interpolation (kriging) Other: - Image Analysis: Object-based image segmentation - Textural analysis for pattern recognition - Working with PostgreSQL/postGIS databases - Software: ESRI ArcGIS; Erdas Image; GRASS; QGIS; eCognition; SPSS.

    $35.00 /hr
    0 hours
  8. Maxim Semyonov

    Maxim Semyonov

    Rapid Application Developer


    7 years of professional work experience in financial software development. Interested in data anaylsis, data processing, research projects.

    $38.89 /hr
    0 hours
  9. Said Karimov

    Said Karimov

    experienced developer

    Russia - Tests: 9

    As a diverse skilled professional with rich working experience, i know in certain, that there is nothing impossible to do in the world of software development. Good with other's code, experienced in optimization and redesign. Can work on full stack solutions. Currently in-use skills are requirement analysis, technical design, PHP, mySQL, Javascript, AJAX, SAP ABAP. Able to solve complex problems and implement solutions, lifetime learner, easy acquire new experience.

    $15.00 /hr
    0 hours