Top Upwork Freelancers

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  1. Aleksandr Kritsin

    Aleksandr Kritsin

    I am an android developer

    Russia - Tests: 4 - Portfolio: 9

    I am an Android developer with over 5 years of experience working with various technologies. I have spend more than 3 years working on Mobile Application Development. I have over 10 apps in Google Play. I have developed utility, social, enterprise, forums, etc... I have worked with apps requiring different technologies and skill sets. I have used backend integration with REST service as well direct DB calls, Geo location, Geo fencing, Payment integration, Facebook integration, and lot of other technologies in my apps. I am an individual Developer. Tools and Technologies Android SDK, Eclipse, Facebook SDK, Google Map SDK, Google Cloud Messaging Languages -Core Java, C, CPP, JavaScript, PHP, Oracle PL/SQL, SQL, MySQL, HTML

    $18.00 /hr
    0 hours
    4.87
  2. Eugene Dodin

    Eugene Dodin

    PHP, Android Developer

    Ukraine - Tests: 4 - Portfolio: 4

    Hello, I am Android and PHP developer. I have been working with Android for 2 years, and have a 4 year background in PHP. I have a good knowledge of JAVA, Android SDK, multithreading (AsynTask, Thread), Fragments, support library, Services, SQLlite, GIT. I worked with a lot of APIs: Facebook API, Twitter API, Google Maps API, Google docs API. I have all necessary devices to develop and test your application to ensure that your application will work and look as expected on most of the popular phone models in the market. Best, Eugene.

    $15.00 /hr
    0 hours
    5.00
  3. Mohammed Niyas

    Mohammed Niyas

    Web Scraper / Web application developer - Perl, .Net, PHP

    India - Tests: 2 - Portfolio: 5

    From the past 5 years i have been developing web as well as windows based applications using C#,VB,PHP and Ruby. Apart from this I have experience in scraping contents from websites,PDF,text and excel files using perl scripts. I also have experience in the following areas: MS SQL, My SQL, AJAX, JQuery, Linq and MongoDB Currently I am learning Hadoop big data. My Website: www.thisiscoding.com My Blog: http://mohammedniyas.blogspot.in/

    $10.00 /hr
    0 hours
    5.00
  4. Evgenii Kanivets

    Evgenii Kanivets

    Android Developer

    Ukraine - Tests: 3

    I am Android professional developer with a great experience in software development. I do not do much business on oDesk, but I have accomplished several great projects on the daylight job. I have an experience with next technologies: - Android SDK, Google Play Services, AppCompat lib, etc. - Native (C/C++) code integration using JNI and NDK. - Bluetooth Classic, Bluetooth Low Energy. - Camera API, MediaCodec. - Custom UI elements. - Enhanced image processing.

    $16.67 /hr
    0 hours
    5.00
  5. Evgeniy Fetisov

    Evgeniy Fetisov

    Full stack developer, java, javescript, php, mysql, nosql, linux, etc.

    Belarus - Tests: 5

    Looking for an full stack developer? I code mainly on js, java, php, python. My skills: Javascript (AngularJS, NodeJs, ExpressJs, Mockito, TypeScript, Jquery, Extjs, CasperJs/PhantomJs, Underscore) Java (Spirng mvc, Elastic Search, Solr, Hibernate, Play framework, Android SDK, OrmLite) Php 5 (Zend framework, Symfony, Codeigniter, Kohana, Laravel, Phalcon) Python (Django, Twisted) Others: Html5, Css3, Less, Material design, Twitter bootstrap, Mysql, Redis, MongoDB, Sphinx search, Git, Git flow, Svn, Linux, Bash, AWK. I participated in development large enterprise portals for example sap.com. support.sap.com, also have experience in development hi load site: mp3olimp.net. Also I'm extremely motivated and love challenging tasks. If you have really interesting tasks please contact me.

    $25.00 /hr
    0 hours
    5.00
  6. Ledisi N.

    Ledisi N.

    Java Developer

    Nigeria - Tests: 2 - Portfolio: 1

    I am an experienced Java developer. I look at problems and find best possible solutions to those problems. i love challenging projects and never give up on providing the best. I have the following skills sets: java, j2ee, springframework, Hibernate, maven, jenkins, playframework, grails e.t.c I have worked on several projects ranging from desktop to web, and mobile, webscrapers, file parsers e.t.c, here are a few of them: 1)PlanSimulator : A simulator that displays movement of people within a shopping mall. The essence of this application is to help provide insights on user behaviours withing a shopping mall, as well as help to 2)PaymentBot : This is a bot that was developed to automate the process of adding items to cart and making payments on the Ministry of corporate affairs site in india(http://mca.gov.in). The site made use of captcha for login. I was able to overcome this by using the deathbycaptcha service.

    $25.00 /hr
    0 hours
    5.00
  7. Andrey Ogurtsov

    Andrey Ogurtsov

    Biostatistician / R programmer

    Ukraine - Tests: 1

    Biostatistician with 3 years of experience. Favourite programming tools - R and SPSS. Performed works: • definitions of primary and secondary variables; • sample size calculations; • writing statistical analysis plans for phase I-IV and bioequivalence trials; • performing statistical analysis and writing statistical reports; • creating CRF; • data input and verification; • developing correspondent SOPs. STATISTICAL AND MACHINE LEARNING SKILLS: • classical methods of analysis; • general and generalized linear models; • non-linear modeling (splines, GAMs); • tree-based methods (bagging, random forests, boosting); • dimension reduction (PCA); • clustering (hierarchical, K-means); • cross-validation; • bootstrap; • multiple comparisons adjustments. PROGRAMMING SKILLS: • using R functions for wide range of statistical methods; • writing new R functions to implement desired functionality; • data wrangling with basic R functions and packages like reshape2; • data visualization (basic graphs and ggplot2); • automated report generation and reproducible research (knitr with R Markdown or LaTeX); • interactive presentations with shiny, rpanel and googleVis; • SPSS (both GUI and syntax); • SQL (basic knowledge).

    $10.00 /hr
    0 hours
    5.00
  8. Tariq Muhammad

    Tariq Muhammad

    Expert JavaEE, JavaSE and C#.NET Software Engineer

    Pakistan - Tests: 6 - Portfolio: 2

    More than 6 year of academic and 3 year of corporate experience in web and desktop application development. I am an expert Java desktop and web platform developer. I have been providing quality solution to my client for more than last 3 years working with latest Java and JavaScript technologies including Struts, Spring, Hibernate and other. I have delivered a number of succesfull solution to my Elance, UpWork and offshore clients. Now looking for a posting that can challenge my skills and in turn let me deliver sophisticated, timely and desired solution to my valued clients.

    $20.00 /hr
    8 hours
    4.78
  9. Dejan Noveski

    Dejan Noveski

    Software engineer

    Macedonia - Tests: 3 - Portfolio: 1

    I’m a passionate software engineer of 6 years, with knowledge and experience in prototyping, developing and deploying web applications, web services and platforms powered by the popular Python frameworks - Django, Flask, or PHP and PHP frameworks. I also have considerable experience - Building standalone desktop applications, utilities, system and automation tools. - Building mobile web services with offline support, syncing and data packaging to preserve bandwidth efficiency. - Implementing enterprise-level search and matching engines with Apache Lucene / Solr. - System administration and bash scripting. I work very quickly and go to considerable lengths to ensure that every job I undertake is delivered to my clients’ complete satisfaction. I’m constantly learning, and I’m always interested in taking on new challenges. Whatever your software needs are, I’m confident I can help you. References available. Specialties: Python, Django, Flask, Werkzeug, Pylons, SQLAlchemy, HTML, HTML5, CSS, CSS3, JavaScript, PHP, Solr, Lucene, Apache, Nginx, PostgreSQL, MySQL, Linux/FreeBSD administration, Web services, GIS, Geocoding, Vim, VimL, Git, Mercurial.

    $33.33 /hr
    1 hours
    5.00
  10. Ali Balcı

    Ali Balcı

    Software Engineer

    Turkey - Tests: 1

    I have developed a wide range of websites using ASP.NET, MVC, Web API, Web Services. Programming Languages: C#, JavaScript, JQuery Databases: Microsoft SQL Server, ElasticSearch, Redis OS Platforms: Microsoft Windows Concepts and technologies: .Net 3.5/4.5,OOP,OOD,f,Linq, .Net Extensions, Markup languages: Xhtml/Html, Xml, JSON, Css Web Servers: IIS 5-6/7 (Internet information server) Design Patterns: Singleton, Factory, Repository, Façade, Model, Unit of Work. ORM: ADO.Net, Entity Model, NHibernate,Plinqo. Highest priority given to quality and in time delivery. Used tecnologies and tools CVS(SVN) management, Twitter Bootstrap, Git, GitExtensions, SourceTree, Team Foundation Server I am particularly interested in long term collaborations with clever & fair customers concerned with quality software development

    $22.22 /hr
    7 hours
    5.00