Top Upwork Freelancers

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  1. Justin F.

    Justin F.

    PHP Developer

    Philippines - Tests: 1 - Portfolio: 7

    For 3 years, I developed websites using HTML, CSS (Twitter Bootstrap), Javascript (jQuery), PHP (CodeIgniter and Laravel Frameworks) and MySQL. My expertise lies on strong communication skills, great foundation in programming and the ability to manage, adopt and learn fast for benefit of the new website development project. So I'm looking forward for more opportunities to build websites for you or your business. Other skill set are: AJAX, OOP, Api Integration, AngularJs

    $14.44 /hr
    2,810 hours
    5.00
  2. Bassem Fawzy

    Bassem Fawzy

    Senior Web and Software Developer

    Egypt - Tests: 5 - Portfolio: 2

    For about 6 years of full time positions, I have worked on a variety of projects mainly using C#, ASP.net, sqlserever,PHP,Wordpress,MySql, html,xml, javascript and ajax and Jquery along with some VB.net. The projects I worked on included E-commerece (paypal, moneybookers, authorize.net) , corporate websites, search engines and many utility tools for internal use. I also got SEO knowledge and experience. Aside of my full time positions I have been doing freelance work from time to time both to make use of expertise and earn more extra money. Having quit my full time job , I have lots of time available to use my lots of gained expertise and my passion for development and hence am available as a freelance developer with lots of hours to use along with ease and guaranteed communication.

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    2,773 hours
    5.00
  3. Mauricio Offermann Palma

    Mauricio Offermann Palma

    Computer Engineer

    Chile - Tests: 2

    I'm a Computer Engineer , during my career I have worked managing , designing and developing custom web applications for clients of different nature and in many different languages, but definitely my biggest strength is Salesforce APEX. My experience divided into three areas: Project Management We perform planning activities in the short term , while maintaining excellent communication with the customer , give daily reports on the progress of the project which include the activities performed, the problems encountered and the proposed solutions . Application Design Often the technical details make a big difference in implementation , which is why I worry about guiding the client presenting the best solution strategies , considering important issues such as security of information, the application performance , use of resources , the way they behave in the future scenarios with massive data loads or increased volumes of information. Software Development I believe that application development is my strongest skill have much experience in various languages ​​such as Java, C # or Ruby , mainly oriented web solutions , management naturally javascript ( including jQuery ) , CSS , JSP , HTML . Have special ability to manage MySQL , PostgreSQL , SQL Server and more databases. However, the last 7 years I have specialized in developing applications on the Salesforce CRM . These applications include design , process automation , configuration , workflows , validation rules , triggers, Visualforce pages, Apex classes and components . In addition to integrations with other systems using webservices and bulk batch .

    $40.00 /hr
    1,512 hours
    5.00
  4. Saul H.

    Saul H.

    Java/C++/.Net Software Engineer/developer/integrator/consultant

    Venezuela - Tests: 3

    Knowledge Areas and skills Custom Software Development, POS, intranet system, administrative systems and integration with intelligent software solutions consolidate, organize and centralize amount of information located in different divisions and departments, so that executives make decisions about payments, suppliers , prices, materials management, promotions, etc. Algorithms and programming skills, strong knowledge of C/C++ and Java. Strong knowledge of data structures, strings, sorting, arithmetic and algebra, combinatorics, number theory, backtracking, graph traversal, Algorithms for graphs, dynamic programming and computational geometry. Accounting area, experience in handling all movement of materials between stores and shops, all the accounting related to its retail. Point of sale Area, experience with integration between POS software and label printers, fiscal printers, barcode readers, fingerprinter and keyboards for point of sale. Oriented Object Programming and Low-level: exprienced in Java and C/C++/C#. QT libraries and Visual Basic. Scientific Programming: Matlab. IDES: Intellij Idea, Eclipse, Netbeans, Kile, Quanta. Servers: Apache-Tomcat. Functional Programming and AI: Haskell and Prolog. Database: MySql Oracle, Postgres, SQL Server and FoxPro. Web Development/Frameworks: Php, Struts, Vaadin, ZK, html and css.

    $30.00 /hr
    1,821 hours
    5.00
  5. Gary G.

    Gary G.

    Web Development / Java / JSF / PrimeFaces / Lotus XPages Notes Domino

    United States - Tests: 1 - Portfolio: 1

    I have over 15 years of development and implementation experience on projects ranging from small departmental applications through complex enterprise solutions in multi-national corporate environments. My software and application expertise is very diverse and includes Java, Java EE, JSF, JSP/Servlets, and related frameworks and APIs including Spring, Hibernate, EclipseLink, JBoss Seam, RESTful Web Services, PrimeFaces, Lotus Notes & Domino, XPages, Visual Basic, and Crystal Reports. My relational database expertise includes MySQL, Microsoft SQL Server, Oracle, and PostgreSQL. Beyond application development, I am skilled in high-level requirements gathering, risk analysis, technical design analysis, application modeling, implementation planning, and support. Please allow me to provide you with not only expert technical skills but the knowledge and experience I have gained delivering a broad range of business solutions such as CRM, Change & Problem Management, Incident Management, Help Desk, Health Care, Human Resources, as some examples.

    $50.00 /hr
    1,553 hours
    5.00
  6. Scott Blaydes

    Scott Blaydes

    Linux/BSD/Unix Systems Administrator.

    United States - Tests: 4 - Portfolio: 1

    ## BIO Over 20 years experience in IT. Seventeen years experience as Systems/Network Administrator for Internet Service Providers. Designed and implemented networks, including WANs, LANs utilizing wired and wireless technologies. Provided server administration for production SaaS website and eCommerce sites, including PCI DSS security compliance. ## Area of Expertise Operating Systems: Linux, FreeBSD, OpenBSD, RedHat, CentOS, Debian, Ubuntu, OpenSuSE, Windows Server (2000-2008). Routers: Mikrotik, Linux, low-end Cisco, soho routers. Networking: wireless, wired, LAN, WAN, switches, cabling. Server Software: Apache, sendmail, postfix, DNS, bind, dovecot, courier, email, mail server, pop3, imap, Wordpress, Joomla, bash, shell scripting.

    $20.00 /hr
    1,130 hours
    5.00
  7. Jakub K.

    Jakub K.

    Experienced backend developer (.Net, SQL, network security)

    Poland - Tests: 8 - Portfolio: 2

    I'm developer with over 10 years of experience in IT. I like ambitious projects and working with creative people. In my everyday work I deal with very large systems and databases (for example distributed system of 450 departments with hierarchical data replication). I have experience in every phase of IT system life cycle starting from analysis through development and implementation ending with deployment and maintenance. My skills: Networking (CCNA, CCNA Security) Servers Administration (Windows / Linux) Developer (C#, Java, Android, PowerBuilder) Databases (Oracle, Sybase, PostgreSQL, MS SQL) Analyzing and modeling IT systems

    $27.78 /hr
    2,107 hours
    5.00
  8. Aniruddh P.

    Aniruddh P.

    Sr Java Developer

    Australia - Tests: 4 - Portfolio: 1

    Over the last 12 years I have been working on Java/J2EE, Struts, Swings, Xml Api's and mobile technology related projects. My core competency lies in most of the Java Api's as well as in developing new applications as well as providing expert support for maintaince applications. I am very good at coming in at any stage of the application development and getting on with providing expert assistance. I am seeking oppurtunities to work on Java and web technologies. I have been involved with a variety of projects ranging from taxation/accounting applications to telecom projects to enterprise asset managment applications. Thanks and Regards

    $25.00 /hr
    3,262 hours
    5.00
  9. Pavlo Tunyk

    Pavlo Tunyk

    iOS developer

    Ukraine

    I'm senior mobile developer from Ukraine. I have experience in developing different king of business applications, like - Apps for musical band. - Apps for creating nice bar/pie/gauge charts. - Apps for capturing/recording media content (photo/video/filters). - Apps for sms billing. - Apps for sharing content in various social networks. - Apps for magazines. - Apps for social networks. - App for bank. The apps I developed: http://eastertwister.com https://itunes.apple.com/ca/app/oogababy/id549508290?mt=8 https://itunes.apple.com/us/app/infosuite/id498180912 https://itunes.apple.com/ru/app/wide-up/id570957967?mt=8 Private enterprise project for managing workflows. Private project for Musical band. Private project for US magazine. The apps I was part of: https://itunes.apple.com/nl/app/stiktu-remix-the-real-world/id488142240?mt=8 https://itunes.apple.com/app/layar-reality-browser/id334404207 I've good communications skills in English, and also native languages (Russian, Ukrainian). I'm familiar with different version control and source code management (SCM) systems like Git, Hg, SVN, CVS and TFS. i'm familiar with Atlassian's products, such as Jira, Confluence, SourceTree. I've worked in very small teams and middle size projects (40-50 teammates), also I worked in a company with 1400+ employees.

    $38.89 /hr
    3,100 hours
    4.92
  10. Jesus Enrique Gutierrez Cortazar

    Jesus Enrique Gutierrez Cortazar

    Senior Software Developer

    Mexico - Tests: 5

    I'm a full-stack software developer. I use to follow and implement code standards and also to audit and modify code for a better performance, knowledge and understanding. The best part is that i love what i do as i live for it. It's like i'm beeing payed for having lots of fun. Wait, that's true in fact!!! I love technology and development innovation and i when i'm sleeping i dream about code, implementations and deployments. I have experience developing professional enterprise software solutions under many technologies, mainly with Java and Ruby On Rails. I have good written and verbal english communication skills. I consider myself as proactive, responsible and can be part of any team work. It doesn't matter what's the problem to solve or what's the programming language to solve it, i can learn it and will solve it in the best possible way.

    $22.22 /hr
    1,470 hours
    5.00